[INFO] cloning repository https://github.com/deavid/crappylinkedlists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deavid/crappylinkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeavid%2Fcrappylinkedlists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeavid%2Fcrappylinkedlists'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dfdadb1df2118974621525dfc64e31efcb567ebf [INFO] testing deavid/crappylinkedlists against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeavid%2Fcrappylinkedlists" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/deavid/crappylinkedlists on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/deavid/crappylinkedlists [INFO] finished tweaking git repo https://github.com/deavid/crappylinkedlists [INFO] tweaked toml for git repo https://github.com/deavid/crappylinkedlists written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/deavid/crappylinkedlists already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded backtrace-sys v0.1.36 [INFO] [stderr] Downloaded cpuprofiler v0.0.4 [INFO] [stderr] Downloaded bencher v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2769cf5c9a81e0469fd9a1cd4006631bf4c112803c972dac3338def26c2ae4b3 [INFO] running `Command { std: "docker" "start" "-a" "2769cf5c9a81e0469fd9a1cd4006631bf4c112803c972dac3338def26c2ae4b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2769cf5c9a81e0469fd9a1cd4006631bf4c112803c972dac3338def26c2ae4b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2769cf5c9a81e0469fd9a1cd4006631bf4c112803c972dac3338def26c2ae4b3", kill_on_drop: false }` [INFO] [stdout] 2769cf5c9a81e0469fd9a1cd4006631bf4c112803c972dac3338def26c2ae4b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ae94bea3ce8736511fc5d9f329a0c5e110a1a99c2d984832a2d3aa3604c297a [INFO] running `Command { std: "docker" "start" "-a" "8ae94bea3ce8736511fc5d9f329a0c5e110a1a99c2d984832a2d3aa3604c297a", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bencher v0.1.5 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling cpuprofiler v0.0.4 [INFO] [stderr] Compiling backtrace-sys v0.1.36 [INFO] [stderr] Compiling backtrace v0.3.46 [INFO] [stderr] Compiling crappylinkedlists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/linked5/mod.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let mut nodes: Vec>> = v [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.64s [INFO] running `Command { std: "docker" "inspect" "8ae94bea3ce8736511fc5d9f329a0c5e110a1a99c2d984832a2d3aa3604c297a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ae94bea3ce8736511fc5d9f329a0c5e110a1a99c2d984832a2d3aa3604c297a", kill_on_drop: false }` [INFO] [stdout] 8ae94bea3ce8736511fc5d9f329a0c5e110a1a99c2d984832a2d3aa3604c297a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d2e838d4315061d656560394fdeccbc4e94adcc87f38523bfa65250210e27c19 [INFO] running `Command { std: "docker" "start" "-a" "d2e838d4315061d656560394fdeccbc4e94adcc87f38523bfa65250210e27c19", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling crappylinkedlists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/linked5/mod.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let mut nodes: Vec>> = v [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/linked5/mod.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let mut nodes: Vec>> = v [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "d2e838d4315061d656560394fdeccbc4e94adcc87f38523bfa65250210e27c19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2e838d4315061d656560394fdeccbc4e94adcc87f38523bfa65250210e27c19", kill_on_drop: false }` [INFO] [stdout] d2e838d4315061d656560394fdeccbc4e94adcc87f38523bfa65250210e27c19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ca0088adf4c5c39d3ef10d066964765a20e69103d6bded0018cc5cf3b4ca286b [INFO] running `Command { std: "docker" "start" "-a" "ca0088adf4c5c39d3ef10d066964765a20e69103d6bded0018cc5cf3b4ca286b", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/linked5/mod.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let mut nodes: Vec>> = v [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/linked5/mod.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let mut nodes: Vec>> = v [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` 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] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/crappylinkedlists-5a0f816f81dddd35) [INFO] [stdout] running 11 tests [INFO] [stdout] test linked5::test::test_insert_first ... ok [INFO] [stdout] test linked5::test::test_create ... ok [INFO] [stdout] test linked5::test::test_concat ... ok [INFO] [stdout] test linked4::test::test_create ... ok [INFO] [stdout] test linked5::test::test_pop_first ... ok [INFO] [stdout] test linked5::test::test_pop_last ... ok [INFO] [stdout] test linked4::test::test_concat ... ok [INFO] [stdout] test linked5::test::test_rev_iter ... ok [INFO] [stdout] test linked5::test::test_concat_huge ... ok [INFO] [stdout] test linked4::test::test_concat_big ... ok [INFO] [stdout] test linked4::test::test_concat_huge ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main-6aaa6b81b57b6bdd) [INFO] [stdout] [INFO] [stderr] Doc-tests crappylinkedlists [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" "ca0088adf4c5c39d3ef10d066964765a20e69103d6bded0018cc5cf3b4ca286b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca0088adf4c5c39d3ef10d066964765a20e69103d6bded0018cc5cf3b4ca286b", kill_on_drop: false }` [INFO] [stdout] ca0088adf4c5c39d3ef10d066964765a20e69103d6bded0018cc5cf3b4ca286b