[INFO] cloning repository https://github.com/gaofans/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/gaofans/linked_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaofans%2Flinked_list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaofans%2Flinked_list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b0f7024d7d74833d42711f677a586ff40751f07
[INFO] testing gaofans/linked_list against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaofans%2Flinked_list" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gaofans/linked_list on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gaofans/linked_list
[INFO] finished tweaking git repo https://github.com/gaofans/linked_list
[INFO] tweaked toml for git repo https://github.com/gaofans/linked_list written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/gaofans/linked_list already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c3a726d6f1fb76994ebc7275c68fb4a62751d33f179ae94cd08a5ffe9bf6e72
[INFO] running `Command { std: "docker" "start" "-a" "7c3a726d6f1fb76994ebc7275c68fb4a62751d33f179ae94cd08a5ffe9bf6e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c3a726d6f1fb76994ebc7275c68fb4a62751d33f179ae94cd08a5ffe9bf6e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3a726d6f1fb76994ebc7275c68fb4a62751d33f179ae94cd08a5ffe9bf6e72", kill_on_drop: false }`
[INFO] [stdout] 7c3a726d6f1fb76994ebc7275c68fb4a62751d33f179ae94cd08a5ffe9bf6e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b737dcf53b6ec8b4689ed892c3e2d3d0b5422ccb232ea1f9e74cc5d5b18a79f1
[INFO] running `Command { std: "docker" "start" "-a" "b737dcf53b6ec8b4689ed892c3e2d3d0b5422ccb232ea1f9e74cc5d5b18a79f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "b737dcf53b6ec8b4689ed892c3e2d3d0b5422ccb232ea1f9e74cc5d5b18a79f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b737dcf53b6ec8b4689ed892c3e2d3d0b5422ccb232ea1f9e74cc5d5b18a79f1", kill_on_drop: false }`
[INFO] [stdout] b737dcf53b6ec8b4689ed892c3e2d3d0b5422ccb232ea1f9e74cc5d5b18a79f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf8a45d7190c4124c66a18070ae821ac91062e9b29e038dd4c50f4925970d334
[INFO] running `Command { std: "docker" "start" "-a" "bf8a45d7190c4124c66a18070ae821ac91062e9b29e038dd4c50f4925970d334", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.14s
[INFO] running `Command { std: "docker" "inspect" "bf8a45d7190c4124c66a18070ae821ac91062e9b29e038dd4c50f4925970d334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8a45d7190c4124c66a18070ae821ac91062e9b29e038dd4c50f4925970d334", kill_on_drop: false }`
[INFO] [stdout] bf8a45d7190c4124c66a18070ae821ac91062e9b29e038dd4c50f4925970d334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b03d2a3642fc6202fd8ab5b839b121db074294e573a99a1b5e2487f1ff964ce4
[INFO] running `Command { std: "docker" "start" "-a" "b03d2a3642fc6202fd8ab5b839b121db074294e573a99a1b5e2487f1ff964ce4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linked_list-73e40649d9209489)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::start ... ok
[INFO] [stdout] test tests::test_drop ... ok
[INFO] [stdout] test tests::test_into_iter ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_iter_mut ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linked_list
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b03d2a3642fc6202fd8ab5b839b121db074294e573a99a1b5e2487f1ff964ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03d2a3642fc6202fd8ab5b839b121db074294e573a99a1b5e2487f1ff964ce4", kill_on_drop: false }`
[INFO] [stdout] b03d2a3642fc6202fd8ab5b839b121db074294e573a99a1b5e2487f1ff964ce4