[INFO] cloning repository https://github.com/and-mora/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/and-mora/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fand-mora%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fand-mora%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d11aad468b0246119bb66b5a502524c7e40426a2
[INFO] checking and-mora/rust-playground against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fand-mora%2Frust-playground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/and-mora/rust-playground
[INFO] finished tweaking git repo https://github.com/and-mora/rust-playground
[INFO] tweaked toml for git repo https://github.com/and-mora/rust-playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/and-mora/rust-playground on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/and-mora/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: binary `comprehensive_day_2_afternoon` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_afternoon
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-afternoon`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_afternoon/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_afternoon"
[INFO] [stderr]  2 + name = "comprehensive-day-2-afternoon"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-afternoon`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_afternoon/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-afternoon"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_afternoon` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_2_morning_points_polygons` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_morning_points_polygons
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-points-polygons`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_points_polygons/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_morning_points_polygons"
[INFO] [stderr]  2 + name = "comprehensive-day-2-morning-points-polygons"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-points-polygons`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_points_polygons/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-morning-points-polygons"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_morning_points_polygons` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_2_morning_health_stats` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_morning_health_stats
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-health-stats`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_health_stats/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_morning_health_stats"
[INFO] [stderr]  2 + name = "comprehensive-day-2-morning-health-stats"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-health-stats`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_health_stats/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-morning-health-stats"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_morning_health_stats` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_1_afternoon` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_1_afternoon
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-afternoon`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_1_afternoon/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_1_afternoon"
[INFO] [stderr]  2 + name = "comprehensive-day-1-afternoon"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-afternoon`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_1_afternoon/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-1-afternoon"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_1_afternoon` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_1_morning` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_1_morning
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-morning`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_1_morning/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_1_morning"
[INFO] [stderr]  2 + name = "comprehensive-day-1-morning"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-morning`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_1_morning/Cargo.toml:9:20
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ ndarray = "0.15.1"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "comprehensive-day-1-morning"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_1_morning` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `guessing_game` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../guessing_game
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `guessing-game`, convert `package.name`
[INFO] [stderr]   --> guessing_game/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "guessing_game"
[INFO] [stderr]  2 + name = "guessing-game"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `guessing-game`, specify `bin.name`
[INFO] [stderr]   --> guessing_game/Cargo.toml:9:16
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ rand = "0.8.5"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "guessing-game"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `guessing_game` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `collatz_theorem` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../collatz_theorem
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `collatz-theorem`, convert `package.name`
[INFO] [stderr]   --> collatz_theorem/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "collatz_theorem"
[INFO] [stderr]  2 + name = "collatz-theorem"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `collatz-theorem`, specify `bin.name`
[INFO] [stderr]   --> collatz_theorem/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "collatz-theorem"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `collatz_theorem` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/containerd/io.containerd.metadata.v1.bolt/meta.db: no space left on device
[INFO] checking and-mora/rust-playground against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fand-mora%2Frust-playground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/and-mora/rust-playground
[INFO] finished tweaking git repo https://github.com/and-mora/rust-playground
[INFO] tweaked toml for git repo https://github.com/and-mora/rust-playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/and-mora/rust-playground on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/and-mora/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: binary `comprehensive_day_2_afternoon` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_afternoon
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-afternoon`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_afternoon/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_afternoon"
[INFO] [stderr]  2 + name = "comprehensive-day-2-afternoon"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-afternoon`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_afternoon/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-afternoon"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_afternoon` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_2_morning_points_polygons` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_morning_points_polygons
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-points-polygons`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_points_polygons/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_morning_points_polygons"
[INFO] [stderr]  2 + name = "comprehensive-day-2-morning-points-polygons"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-points-polygons`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_points_polygons/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-morning-points-polygons"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_morning_points_polygons` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_2_morning_health_stats` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_morning_health_stats
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-health-stats`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_health_stats/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_morning_health_stats"
[INFO] [stderr]  2 + name = "comprehensive-day-2-morning-health-stats"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-health-stats`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_health_stats/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-morning-health-stats"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_morning_health_stats` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_1_afternoon` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_1_afternoon
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-afternoon`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_1_afternoon/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_1_afternoon"
[INFO] [stderr]  2 + name = "comprehensive-day-1-afternoon"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-afternoon`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_1_afternoon/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-1-afternoon"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_1_afternoon` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_1_morning` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_1_morning
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-morning`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_1_morning/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_1_morning"
[INFO] [stderr]  2 + name = "comprehensive-day-1-morning"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-morning`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_1_morning/Cargo.toml:9:20
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ ndarray = "0.15.1"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "comprehensive-day-1-morning"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_1_morning` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `guessing_game` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../guessing_game
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `guessing-game`, convert `package.name`
[INFO] [stderr]   --> guessing_game/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "guessing_game"
[INFO] [stderr]  2 + name = "guessing-game"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `guessing-game`, specify `bin.name`
[INFO] [stderr]   --> guessing_game/Cargo.toml:9:16
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ rand = "0.8.5"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "guessing-game"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `guessing_game` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `collatz_theorem` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../collatz_theorem
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `collatz-theorem`, convert `package.name`
[INFO] [stderr]   --> collatz_theorem/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "collatz_theorem"
[INFO] [stderr]  2 + name = "collatz-theorem"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `collatz-theorem`, specify `bin.name`
[INFO] [stderr]   --> collatz_theorem/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "collatz-theorem"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `collatz_theorem` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/containerd/io.containerd.metadata.v1.bolt/meta.db: no space left on device
[INFO] checking and-mora/rust-playground against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fand-mora%2Frust-playground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/and-mora/rust-playground
[INFO] finished tweaking git repo https://github.com/and-mora/rust-playground
[INFO] tweaked toml for git repo https://github.com/and-mora/rust-playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/and-mora/rust-playground on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/and-mora/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: binary `comprehensive_day_2_afternoon` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_afternoon
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-afternoon`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_afternoon/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_afternoon"
[INFO] [stderr]  2 + name = "comprehensive-day-2-afternoon"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-afternoon`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_afternoon/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-afternoon"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_afternoon` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_2_morning_points_polygons` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_morning_points_polygons
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-points-polygons`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_points_polygons/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_morning_points_polygons"
[INFO] [stderr]  2 + name = "comprehensive-day-2-morning-points-polygons"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-points-polygons`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_points_polygons/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-morning-points-polygons"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_morning_points_polygons` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_2_morning_health_stats` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_morning_health_stats
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-health-stats`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_health_stats/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_morning_health_stats"
[INFO] [stderr]  2 + name = "comprehensive-day-2-morning-health-stats"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-health-stats`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_health_stats/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-morning-health-stats"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_morning_health_stats` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_1_afternoon` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_1_afternoon
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-afternoon`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_1_afternoon/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_1_afternoon"
[INFO] [stderr]  2 + name = "comprehensive-day-1-afternoon"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-afternoon`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_1_afternoon/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-1-afternoon"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_1_afternoon` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_1_morning` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_1_morning
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-morning`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_1_morning/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_1_morning"
[INFO] [stderr]  2 + name = "comprehensive-day-1-morning"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-morning`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_1_morning/Cargo.toml:9:20
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ ndarray = "0.15.1"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "comprehensive-day-1-morning"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_1_morning` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `guessing_game` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../guessing_game
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `guessing-game`, convert `package.name`
[INFO] [stderr]   --> guessing_game/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "guessing_game"
[INFO] [stderr]  2 + name = "guessing-game"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `guessing-game`, specify `bin.name`
[INFO] [stderr]   --> guessing_game/Cargo.toml:9:16
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ rand = "0.8.5"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "guessing-game"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `guessing_game` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `collatz_theorem` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../collatz_theorem
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `collatz-theorem`, convert `package.name`
[INFO] [stderr]   --> collatz_theorem/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "collatz_theorem"
[INFO] [stderr]  2 + name = "collatz-theorem"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `collatz-theorem`, specify `bin.name`
[INFO] [stderr]   --> collatz_theorem/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "collatz-theorem"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `collatz_theorem` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/containerd/io.containerd.metadata.v1.bolt/meta.db: no space left on device
[INFO] checking and-mora/rust-playground against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fand-mora%2Frust-playground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/and-mora/rust-playground
[INFO] finished tweaking git repo https://github.com/and-mora/rust-playground
[INFO] tweaked toml for git repo https://github.com/and-mora/rust-playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/and-mora/rust-playground on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/and-mora/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: binary `comprehensive_day_2_afternoon` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_afternoon
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-afternoon`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_afternoon/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_afternoon"
[INFO] [stderr]  2 + name = "comprehensive-day-2-afternoon"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-afternoon`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_afternoon/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-afternoon"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_afternoon` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_2_morning_points_polygons` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_morning_points_polygons
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-points-polygons`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_points_polygons/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_morning_points_polygons"
[INFO] [stderr]  2 + name = "comprehensive-day-2-morning-points-polygons"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-points-polygons`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_points_polygons/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-morning-points-polygons"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_morning_points_polygons` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_2_morning_health_stats` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_morning_health_stats
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-health-stats`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_health_stats/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_morning_health_stats"
[INFO] [stderr]  2 + name = "comprehensive-day-2-morning-health-stats"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-health-stats`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_health_stats/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-morning-health-stats"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_morning_health_stats` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_1_afternoon` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_1_afternoon
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-afternoon`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_1_afternoon/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_1_afternoon"
[INFO] [stderr]  2 + name = "comprehensive-day-1-afternoon"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-afternoon`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_1_afternoon/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-1-afternoon"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_1_afternoon` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_1_morning` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_1_morning
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-morning`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_1_morning/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_1_morning"
[INFO] [stderr]  2 + name = "comprehensive-day-1-morning"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-morning`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_1_morning/Cargo.toml:9:20
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ ndarray = "0.15.1"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "comprehensive-day-1-morning"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_1_morning` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `guessing_game` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../guessing_game
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `guessing-game`, convert `package.name`
[INFO] [stderr]   --> guessing_game/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "guessing_game"
[INFO] [stderr]  2 + name = "guessing-game"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `guessing-game`, specify `bin.name`
[INFO] [stderr]   --> guessing_game/Cargo.toml:9:16
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ rand = "0.8.5"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "guessing-game"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `guessing_game` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `collatz_theorem` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../collatz_theorem
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `collatz-theorem`, convert `package.name`
[INFO] [stderr]   --> collatz_theorem/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "collatz_theorem"
[INFO] [stderr]  2 + name = "collatz-theorem"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `collatz-theorem`, specify `bin.name`
[INFO] [stderr]   --> collatz_theorem/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "collatz-theorem"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `collatz_theorem` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/containerd/io.containerd.metadata.v1.bolt/meta.db: no space left on device
[INFO] checking and-mora/rust-playground against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fand-mora%2Frust-playground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/and-mora/rust-playground
[INFO] finished tweaking git repo https://github.com/and-mora/rust-playground
[INFO] tweaked toml for git repo https://github.com/and-mora/rust-playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/and-mora/rust-playground on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/and-mora/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: binary `comprehensive_day_2_afternoon` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_afternoon
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-afternoon`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_afternoon/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_afternoon"
[INFO] [stderr]  2 + name = "comprehensive-day-2-afternoon"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-afternoon`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_afternoon/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-afternoon"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_afternoon` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_2_morning_points_polygons` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_morning_points_polygons
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-points-polygons`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_points_polygons/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_morning_points_polygons"
[INFO] [stderr]  2 + name = "comprehensive-day-2-morning-points-polygons"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-points-polygons`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_points_polygons/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-morning-points-polygons"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_morning_points_polygons` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_2_morning_health_stats` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_2_morning_health_stats
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-health-stats`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_health_stats/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_2_morning_health_stats"
[INFO] [stderr]  2 + name = "comprehensive-day-2-morning-health-stats"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-2-morning-health-stats`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_2_morning_health_stats/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-2-morning-health-stats"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_2_morning_health_stats` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_1_afternoon` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_1_afternoon
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-afternoon`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_1_afternoon/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_1_afternoon"
[INFO] [stderr]  2 + name = "comprehensive-day-1-afternoon"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-afternoon`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_1_afternoon/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "comprehensive-day-1-afternoon"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_1_afternoon` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `comprehensive_day_1_morning` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../comprehensive_day_1_morning
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-morning`, convert `package.name`
[INFO] [stderr]   --> comprehensive_day_1_morning/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "comprehensive_day_1_morning"
[INFO] [stderr]  2 + name = "comprehensive-day-1-morning"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `comprehensive-day-1-morning`, specify `bin.name`
[INFO] [stderr]   --> comprehensive_day_1_morning/Cargo.toml:9:20
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ ndarray = "0.15.1"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "comprehensive-day-1-morning"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `comprehensive_day_1_morning` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `guessing_game` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../guessing_game
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `guessing-game`, convert `package.name`
[INFO] [stderr]   --> guessing_game/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "guessing_game"
[INFO] [stderr]  2 + name = "guessing-game"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `guessing-game`, specify `bin.name`
[INFO] [stderr]   --> guessing_game/Cargo.toml:9:16
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ rand = "0.8.5"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "guessing-game"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `guessing_game` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `collatz_theorem` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../collatz_theorem
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `collatz-theorem`, convert `package.name`
[INFO] [stderr]   --> collatz_theorem/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "collatz_theorem"
[INFO] [stderr]  2 + name = "collatz-theorem"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `collatz-theorem`, specify `bin.name`
[INFO] [stderr]   --> collatz_theorem/Cargo.toml:8:16
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ [dependencies]
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "collatz-theorem"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `collatz_theorem` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/containerd/io.containerd.metadata.v1.bolt/meta.db: no space left on device


sandbox container could not be created: command failed: exit status: 1

Error response from daemon: write /var/lib/containerd/io.containerd.metadata.v1.bolt/meta.db: no space left on device

Caused by:
    command failed: exit status: 1
    
    Error response from daemon: write /var/lib/containerd/io.containerd.metadata.v1.bolt/meta.db: no space left on device