[INFO] cloning repository https://github.com/lfordyce/rusty_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/lfordyce/rusty_linked_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfordyce%2Frusty_linked_list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfordyce%2Frusty_linked_list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29339dc9d22f920078d2e80787ad894a26dc127d
[INFO] testing lfordyce/rusty_linked_list against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfordyce%2Frusty_linked_list" "/workspace/builds/worker-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lfordyce/rusty_linked_list on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lfordyce/rusty_linked_list
[INFO] finished tweaking git repo https://github.com/lfordyce/rusty_linked_list
[INFO] tweaked toml for git repo https://github.com/lfordyce/rusty_linked_list written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate git repo https://github.com/lfordyce/rusty_linked_list already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d0dc0ed78b6133a539131e335655b61ca41fe054f8b11772639de77881cf64c
[INFO] running `Command { std: "docker" "start" "-a" "6d0dc0ed78b6133a539131e335655b61ca41fe054f8b11772639de77881cf64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d0dc0ed78b6133a539131e335655b61ca41fe054f8b11772639de77881cf64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0dc0ed78b6133a539131e335655b61ca41fe054f8b11772639de77881cf64c", kill_on_drop: false }`
[INFO] [stdout] 6d0dc0ed78b6133a539131e335655b61ca41fe054f8b11772639de77881cf64c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcdb28273b0a1f2edc7ecd8a6c866d4abcca062813f61944567983aa3e9fcabd
[INFO] running `Command { std: "docker" "start" "-a" "fcdb28273b0a1f2edc7ecd8a6c866d4abcca062813f61944567983aa3e9fcabd", 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 dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "fcdb28273b0a1f2edc7ecd8a6c866d4abcca062813f61944567983aa3e9fcabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdb28273b0a1f2edc7ecd8a6c866d4abcca062813f61944567983aa3e9fcabd", kill_on_drop: false }`
[INFO] [stdout] fcdb28273b0a1f2edc7ecd8a6c866d4abcca062813f61944567983aa3e9fcabd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33f2d2565311acc2f3cd1093c8b4a8c946b5e9798174c05ca4fde78e4fa8340f
[INFO] running `Command { std: "docker" "start" "-a" "33f2d2565311acc2f3cd1093c8b4a8c946b5e9798174c05ca4fde78e4fa8340f", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "33f2d2565311acc2f3cd1093c8b4a8c946b5e9798174c05ca4fde78e4fa8340f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f2d2565311acc2f3cd1093c8b4a8c946b5e9798174c05ca4fde78e4fa8340f", kill_on_drop: false }`
[INFO] [stdout] 33f2d2565311acc2f3cd1093c8b4a8c946b5e9798174c05ca4fde78e4fa8340f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36d0168ade6ac5dae3ce4fd68184510eeb9dbd0c96c037e57cf09f5c02f1380f
[INFO] running `Command { std: "docker" "start" "-a" "36d0168ade6ac5dae3ce4fd68184510eeb9dbd0c96c037e57cf09f5c02f1380f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linked_list-f536c4b956888e91)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] test second::test::into_iter_test ... ok
[INFO] [stdout] test second::test::peek_test ... ok
[INFO] [stdout] test third::test::test_basics ... ok
[INFO] [stdout] test second::test::iter_test ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linked_list-20ef8768d383feaa)
[INFO] [stdout] test second::test::iter_mut_test ... ok
[INFO] [stdout] test third::test::iter_test ... ok
[INFO] [stdout] test second::test::basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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] [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" "36d0168ade6ac5dae3ce4fd68184510eeb9dbd0c96c037e57cf09f5c02f1380f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d0168ade6ac5dae3ce4fd68184510eeb9dbd0c96c037e57cf09f5c02f1380f", kill_on_drop: false }`
[INFO] [stdout] 36d0168ade6ac5dae3ce4fd68184510eeb9dbd0c96c037e57cf09f5c02f1380f