[INFO] cloning repository https://github.com/triemstra/dancing_letters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/triemstra/dancing_letters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriemstra%2Fdancing_letters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriemstra%2Fdancing_letters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3ebd7bfedcd624338847f5e088b00506f19e613
[INFO] checking triemstra/dancing_letters against 98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3 for pr-160235-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriemstra%2Fdancing_letters" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/triemstra/dancing_letters
[INFO] finished tweaking git repo https://github.com/triemstra/dancing_letters
[INFO] tweaked toml for git repo https://github.com/triemstra/dancing_letters written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/triemstra/dancing_letters on toolchain 98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/triemstra/dancing_letters 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" "+98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `dancing_letters` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-5-tc1/source/target/.../dancing_letters
[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 `dancing-letters`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 - name = "dancing_letters"
[INFO] [stderr] 16 + name = "dancing-letters"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `dancing-letters`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 ~ version = "0.1.0"
[INFO] [stderr] 18 + [[bin]]
[INFO] [stderr] 19 + name = "dancing-letters"
[INFO] [stderr] 20 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `dancing_letters` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fmt v0.1.0
[INFO] [stderr]   Downloaded fs v0.0.5
[INFO] [stderr]   Downloaded cursor v2.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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] [stdout] f1b39400dfa68ac28d3b954ab62cd0abae9688ffe7590ff1b91bbe6fdf58aaff
[INFO] running `Command { std: "docker" "start" "f1b39400dfa68ac28d3b954ab62cd0abae9688ffe7590ff1b91bbe6fdf58aaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b39400dfa68ac28d3b954ab62cd0abae9688ffe7590ff1b91bbe6fdf58aaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f1b39400dfa68ac28d3b954ab62cd0abae9688ffe7590ff1b91bbe6fdf58aaff" "/opt/rustwide/cargo-home/bin/cargo" "+98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b39400dfa68ac28d3b954ab62cd0abae9688ffe7590ff1b91bbe6fdf58aaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f1b39400dfa68ac28d3b954ab62cd0abae9688ffe7590ff1b91bbe6fdf58aaff" "/opt/rustwide/cargo-home/bin/cargo" "+98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `dancing_letters` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../dancing_letters
[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 `dancing-letters`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 - name = "dancing_letters"
[INFO] [stderr] 16 + name = "dancing-letters"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `dancing-letters`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 ~ version = "0.1.0"
[INFO] [stderr] 18 + [[bin]]
[INFO] [stderr] 19 + name = "dancing-letters"
[INFO] [stderr] 20 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `dancing_letters` (manifest) generated 1 warning
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]     Checking litemap v0.8.2
[INFO] [stderr]     Checking writeable v0.6.3
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking log v0.4.33
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking mio v1.2.1
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking bitflags v2.13.0
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking env v1.0.1
[INFO] [stderr]     Checking fmt v0.1.0
[INFO] [stderr]     Checking cursor v2.3.0
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking fs v0.0.5
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling displaydoc v0.2.6
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]     Checking zerofrom v0.1.8
[INFO] [stderr]     Checking yoke v0.8.3
[INFO] [stderr]     Checking zerovec v0.11.6
[INFO] [stderr]     Checking zerotrie v0.2.4
[INFO] [stderr]     Checking tinystr v0.8.3
[INFO] [stderr]     Checking potential_utf v0.1.5
[INFO] [stderr]     Checking icu_collections v2.2.0
[INFO] [stderr]     Checking icu_locale_core v2.2.0
[INFO] [stderr]     Checking icu_provider v2.2.0
[INFO] [stderr]     Checking icu_properties v2.2.0
[INFO] [stderr]     Checking icu_normalizer v2.2.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking idna_adapter v1.2.2
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking dancing_letters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused dependency `cursor`
[INFO] [stderr]  --> Cargo.toml:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | cursor = "2.3.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `cursor`
[INFO] [stderr] warning: unused dependency `env`
[INFO] [stderr]  --> Cargo.toml:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | env = "1.0.1"
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `env`
[INFO] [stderr] warning: unused dependency `fmt`
[INFO] [stderr]  --> Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fmt = "0.1.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `fmt`
[INFO] [stderr] warning: unused dependency `fs`
[INFO] [stderr]  --> Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fs = "0.0.5"
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `fs`
[INFO] [stderr] warning: unused dependency `url`
[INFO] [stderr]  --> Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | url = "2.5.8"
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `url`
[INFO] [stderr] warning: `dancing_letters` (manifest) generated 5 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.62s
[INFO] running `Command { std: "docker" "inspect" "f1b39400dfa68ac28d3b954ab62cd0abae9688ffe7590ff1b91bbe6fdf58aaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b39400dfa68ac28d3b954ab62cd0abae9688ffe7590ff1b91bbe6fdf58aaff", kill_on_drop: false }`
[INFO] [stdout] f1b39400dfa68ac28d3b954ab62cd0abae9688ffe7590ff1b91bbe6fdf58aaff