[INFO] cloning repository https://github.com/sylk0s/encoding-supersets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sylk0s/encoding-supersets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsylk0s%2Fencoding-supersets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsylk0s%2Fencoding-supersets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38a9a23f6107362bad2741d50f8e696c402bc93d
[INFO] checking sylk0s/encoding-supersets against master#7606c13961ddc1174b70638e934df0439b7dc515 for pr-121979
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsylk0s%2Fencoding-supersets" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sylk0s/encoding-supersets on toolchain 7606c13961ddc1174b70638e934df0439b7dc515
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7606c13961ddc1174b70638e934df0439b7dc515" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sylk0s/encoding-supersets
[INFO] finished tweaking git repo https://github.com/sylk0s/encoding-supersets
[INFO] tweaked toml for git repo https://github.com/sylk0s/encoding-supersets written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sylk0s/encoding-supersets 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" "+7606c13961ddc1174b70638e934df0439b7dc515" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7606c13961ddc1174b70638e934df0439b7dc515" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf4229c28f24e7fe5730c0979ba833da194a6d8c29d366a26222232538653b31
[INFO] running `Command { std: "docker" "start" "-a" "bf4229c28f24e7fe5730c0979ba833da194a6d8c29d366a26222232538653b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf4229c28f24e7fe5730c0979ba833da194a6d8c29d366a26222232538653b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4229c28f24e7fe5730c0979ba833da194a6d8c29d366a26222232538653b31", kill_on_drop: false }`
[INFO] [stdout] bf4229c28f24e7fe5730c0979ba833da194a6d8c29d366a26222232538653b31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7606c13961ddc1174b70638e934df0439b7dc515" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbe59d8405103c47a000ac5b5143dfc2ab646cc1fb0664651560d73725f8a4f1
[INFO] running `Command { std: "docker" "start" "-a" "dbe59d8405103c47a000ac5b5143dfc2ab646cc1fb0664651560d73725f8a4f1", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking encoding-supersets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `test_data`
[INFO] [stdout]    --> src/main.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn quick_solution_finder<T>(test_data: Vec<T>, f: &dyn Fn(T, T) -> T) {
[INFO] [stdout]     |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:114:48
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn quick_solution_finder<T>(test_data: Vec<T>, f: &dyn Fn(T, T) -> T) {
[INFO] [stdout]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_data`
[INFO] [stdout]    --> src/main.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn quick_solution_finder<T>(test_data: Vec<T>, f: &dyn Fn(T, T) -> T) {
[INFO] [stdout]     |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:114:48
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn quick_solution_finder<T>(test_data: Vec<T>, f: &dyn Fn(T, T) -> T) {
[INFO] [stdout]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "dbe59d8405103c47a000ac5b5143dfc2ab646cc1fb0664651560d73725f8a4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe59d8405103c47a000ac5b5143dfc2ab646cc1fb0664651560d73725f8a4f1", kill_on_drop: false }`
[INFO] [stdout] dbe59d8405103c47a000ac5b5143dfc2ab646cc1fb0664651560d73725f8a4f1
[INFO] checking sylk0s/encoding-supersets against try#ae973628c64ab60398819bcc1fd9f08ae68ad5b5 for pr-121979
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsylk0s%2Fencoding-supersets" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sylk0s/encoding-supersets on toolchain ae973628c64ab60398819bcc1fd9f08ae68ad5b5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sylk0s/encoding-supersets
[INFO] finished tweaking git repo https://github.com/sylk0s/encoding-supersets
[INFO] tweaked toml for git repo https://github.com/sylk0s/encoding-supersets written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sylk0s/encoding-supersets 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" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76174906fc71f449fa83ce242625a11059802621f20fb17272508bc4f6a5c44f
[INFO] running `Command { std: "docker" "start" "-a" "76174906fc71f449fa83ce242625a11059802621f20fb17272508bc4f6a5c44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76174906fc71f449fa83ce242625a11059802621f20fb17272508bc4f6a5c44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76174906fc71f449fa83ce242625a11059802621f20fb17272508bc4f6a5c44f", kill_on_drop: false }`
[INFO] [stdout] 76174906fc71f449fa83ce242625a11059802621f20fb17272508bc4f6a5c44f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6282c572cef6d8d81c29cb643d8e4f434ae7efcb8033a81920b9b1c09862e06e
[INFO] running `Command { std: "docker" "start" "-a" "6282c572cef6d8d81c29cb643d8e4f434ae7efcb8033a81920b9b1c09862e06e", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaAhxBvC"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itertools` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6282c572cef6d8d81c29cb643d8e4f434ae7efcb8033a81920b9b1c09862e06e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6282c572cef6d8d81c29cb643d8e4f434ae7efcb8033a81920b9b1c09862e06e", kill_on_drop: false }`
[INFO] [stdout] 6282c572cef6d8d81c29cb643d8e4f434ae7efcb8033a81920b9b1c09862e06e