[INFO] cloning repository https://github.com/yuniruyuni/hobby-linked-list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuniruyuni/hobby-linked-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuniruyuni%2Fhobby-linked-list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuniruyuni%2Fhobby-linked-list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9fab1fb35b399c0159e4b3a9d3691711e5446a0
[INFO] testing yuniruyuni/hobby-linked-list against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuniruyuni%2Fhobby-linked-list" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuniruyuni/hobby-linked-list on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuniruyuni/hobby-linked-list
[INFO] finished tweaking git repo https://github.com/yuniruyuni/hobby-linked-list
[INFO] tweaked toml for git repo https://github.com/yuniruyuni/hobby-linked-list written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/yuniruyuni/hobby-linked-list already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69b290f345406ecb0a480f835a4e8c25ae29a4e3399d33e45ae94cea475c92f7
[INFO] running `Command { std: "docker" "start" "-a" "69b290f345406ecb0a480f835a4e8c25ae29a4e3399d33e45ae94cea475c92f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69b290f345406ecb0a480f835a4e8c25ae29a4e3399d33e45ae94cea475c92f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b290f345406ecb0a480f835a4e8c25ae29a4e3399d33e45ae94cea475c92f7", kill_on_drop: false }`
[INFO] [stdout] 69b290f345406ecb0a480f835a4e8c25ae29a4e3399d33e45ae94cea475c92f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b5cf87e172bf2c9e70957acfd51464567bea14a5d1f5cebd7c8bb4146badff9
[INFO] running `Command { std: "docker" "start" "-a" "6b5cf87e172bf2c9e70957acfd51464567bea14a5d1f5cebd7c8bb4146badff9", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `pop_front`
[INFO] [stdout]   --> src/main.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn pop_front(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_back`
[INFO] [stdout]   --> src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn pop_back(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "6b5cf87e172bf2c9e70957acfd51464567bea14a5d1f5cebd7c8bb4146badff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5cf87e172bf2c9e70957acfd51464567bea14a5d1f5cebd7c8bb4146badff9", kill_on_drop: false }`
[INFO] [stdout] 6b5cf87e172bf2c9e70957acfd51464567bea14a5d1f5cebd7c8bb4146badff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adea80e7100908752aa97885df1ac02c4f7e2a3e35af3e80b177a1dc79ab8375
[INFO] running `Command { std: "docker" "start" "-a" "adea80e7100908752aa97885df1ac02c4f7e2a3e35af3e80b177a1dc79ab8375", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "adea80e7100908752aa97885df1ac02c4f7e2a3e35af3e80b177a1dc79ab8375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adea80e7100908752aa97885df1ac02c4f7e2a3e35af3e80b177a1dc79ab8375", kill_on_drop: false }`
[INFO] [stdout] adea80e7100908752aa97885df1ac02c4f7e2a3e35af3e80b177a1dc79ab8375
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b59eace1819b2e38094082ffb59d2f4ae4ad72c414015718eca80200d979fc38
[INFO] running `Command { std: "docker" "start" "-a" "b59eace1819b2e38094082ffb59d2f4ae4ad72c414015718eca80200d979fc38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linked_list-6e77f6ab8ee4c707)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test::pop_back ... ok
[INFO] [stdout] test test::pop_front ... ok
[INFO] [stdout] test test::push_back ... ok
[INFO] [stdout] test test::push_first_none ... ok
[INFO] [stdout] test test::push_first_some ... ok
[INFO] [stdout] test test::push_front ... ok
[INFO] [stdout] test test::push_last_none ... ok
[INFO] [stdout] test test::push_last_some ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b59eace1819b2e38094082ffb59d2f4ae4ad72c414015718eca80200d979fc38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59eace1819b2e38094082ffb59d2f4ae4ad72c414015718eca80200d979fc38", kill_on_drop: false }`
[INFO] [stdout] b59eace1819b2e38094082ffb59d2f4ae4ad72c414015718eca80200d979fc38