[INFO] cloning repository https://github.com/kletska/nis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kletska/nis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkletska%2Fnis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkletska%2Fnis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 507253ab0e7e52ca449815a75c97bf1cafb89bad
[INFO] checking kletska/nis against master#fd17deacce374a4185c882795be162e17b557050 for pr-138001
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkletska%2Fnis" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kletska/nis on toolchain fd17deacce374a4185c882795be162e17b557050
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kletska/nis
[INFO] finished tweaking git repo https://github.com/kletska/nis
[INFO] tweaked toml for git repo https://github.com/kletska/nis written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kletska/nis 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" "+fd17deacce374a4185c882795be162e17b557050" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d3c7c9d059587cd30d82cdd82595b979eea8c93ec2696bea9dc80ad77f3dd94
[INFO] running `Command { std: "docker" "start" "-a" "6d3c7c9d059587cd30d82cdd82595b979eea8c93ec2696bea9dc80ad77f3dd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d3c7c9d059587cd30d82cdd82595b979eea8c93ec2696bea9dc80ad77f3dd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d3c7c9d059587cd30d82cdd82595b979eea8c93ec2696bea9dc80ad77f3dd94", kill_on_drop: false }`
[INFO] [stdout] 6d3c7c9d059587cd30d82cdd82595b979eea8c93ec2696bea9dc80ad77f3dd94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7126a4db05e83f528f71f22f29ef9618eff99f81a701f13d13894398781b41ab
[INFO] running `Command { std: "docker" "start" "-a" "7126a4db05e83f528f71f22f29ef9618eff99f81a701f13d13894398781b41ab", kill_on_drop: false }`
[INFO] [stderr]     Checking nis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::transitions_example`
[INFO] [stdout]    --> src/our_model.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use super::transitions_example;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/our_model.rs:175:15
[INFO] [stdout]     |
[INFO] [stdout] 175 |         .map(|mut x| reverse_transmition_by_cycle(&t, x))
[INFO] [stdout]     |               ----^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/our_model.rs:175:15
[INFO] [stdout]     |
[INFO] [stdout] 175 |         .map(|mut x| reverse_transmition_by_cycle(&t, x))
[INFO] [stdout]     |               ----^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nis` (bin "nis"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/fd17deacce374a4185c882795be162e17b557050/bin/rustc --crate-name nis --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=6e0c9fe6ee396d80 -C extra-filename=-9ae81c1fa09cec99 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nis` (bin "nis" test); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/fd17deacce374a4185c882795be162e17b557050/bin/rustc --crate-name nis --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=78327612396d47e4 -C extra-filename=-af266b11d5eeb514 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7126a4db05e83f528f71f22f29ef9618eff99f81a701f13d13894398781b41ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7126a4db05e83f528f71f22f29ef9618eff99f81a701f13d13894398781b41ab", kill_on_drop: false }`
[INFO] [stdout] 7126a4db05e83f528f71f22f29ef9618eff99f81a701f13d13894398781b41ab