[INFO] updating cached repository https://github.com/axiiomatic/ruste
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5144e1a8029de6295fee8c80f77873ae17234ffe
[INFO] testing axiiomatic/ruste against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxiiomatic%2Fruste" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/axiiomatic/ruste on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/axiiomatic/ruste
[INFO] finished tweaking git repo https://github.com/axiiomatic/ruste
[INFO] tweaked toml for git repo https://github.com/axiiomatic/ruste written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/axiiomatic/ruste already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c2dd23bef46dfc87ceb4f753ba74b39ab438e6718ce631cc6e40d8ee5c7d007
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c2dd23bef46dfc87ceb4f753ba74b39ab438e6718ce631cc6e40d8ee5c7d007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c2dd23bef46dfc87ceb4f753ba74b39ab438e6718ce631cc6e40d8ee5c7d007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2dd23bef46dfc87ceb4f753ba74b39ab438e6718ce631cc6e40d8ee5c7d007", kill_on_drop: false }`
[INFO] [stdout] 6c2dd23bef46dfc87ceb4f753ba74b39ab438e6718ce631cc6e40d8ee5c7d007
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bf5b3e61566c1ccdcc439981c3de847e9e80641027947c64b5a16dc74293b27
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8bf5b3e61566c1ccdcc439981c3de847e9e80641027947c64b5a16dc74293b27", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `my_arr`
[INFO] [stdout]  --> src/main.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let my_arr: [i64; 5] = [1, 2, 3, 4, 5];
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_arr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8bf5b3e61566c1ccdcc439981c3de847e9e80641027947c64b5a16dc74293b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf5b3e61566c1ccdcc439981c3de847e9e80641027947c64b5a16dc74293b27", kill_on_drop: false }`
[INFO] [stdout] 8bf5b3e61566c1ccdcc439981c3de847e9e80641027947c64b5a16dc74293b27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72220659526d3d5d527a17d1c7546f0c4ddbface376b950f03ca204c6a28656a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "72220659526d3d5d527a17d1c7546f0c4ddbface376b950f03ca204c6a28656a", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `my_arr`
[INFO] [stdout]  --> src/main.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let my_arr: [i64; 5] = [1, 2, 3, 4, 5];
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_arr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "72220659526d3d5d527a17d1c7546f0c4ddbface376b950f03ca204c6a28656a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72220659526d3d5d527a17d1c7546f0c4ddbface376b950f03ca204c6a28656a", kill_on_drop: false }`
[INFO] [stdout] 72220659526d3d5d527a17d1c7546f0c4ddbface376b950f03ca204c6a28656a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 990c203245e2fe06f331e8c61de73634f734c21dd2c8ca5a1c0189bfe9d44cae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "990c203245e2fe06f331e8c61de73634f734c21dd2c8ca5a1c0189bfe9d44cae", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `my_arr`
[INFO] [stderr]  --> src/main.rs:2:6
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let my_arr: [i64; 5] = [1, 2, 3, 4, 5];
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_arr`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learn2-d443cfa4f0cb85a9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "990c203245e2fe06f331e8c61de73634f734c21dd2c8ca5a1c0189bfe9d44cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990c203245e2fe06f331e8c61de73634f734c21dd2c8ca5a1c0189bfe9d44cae", kill_on_drop: false }`
[INFO] [stdout] 990c203245e2fe06f331e8c61de73634f734c21dd2c8ca5a1c0189bfe9d44cae