[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeavid%2Fcrappylinkedlists" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/deavid/crappylinkedlists on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-6/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cpuprofiler v0.0.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 842b1bfd904de3114216ba44998dd43d965d9575260762825ce1bb60ad860cbc [INFO] running `Command { std: "docker" "start" "-a" "842b1bfd904de3114216ba44998dd43d965d9575260762825ce1bb60ad860cbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "842b1bfd904de3114216ba44998dd43d965d9575260762825ce1bb60ad860cbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "842b1bfd904de3114216ba44998dd43d965d9575260762825ce1bb60ad860cbc", kill_on_drop: false }` [INFO] [stdout] 842b1bfd904de3114216ba44998dd43d965d9575260762825ce1bb60ad860cbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b240eaa11592fbb1e0e84d6453c88d499d4f3066233c1ddd262173a6e07d9145 [INFO] running `Command { std: "docker" "start" "-a" "b240eaa11592fbb1e0e84d6453c88d499d4f3066233c1ddd262173a6e07d9145", 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 rustc-demangle v0.1.16 [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 6.05s [INFO] running `Command { std: "docker" "inspect" "b240eaa11592fbb1e0e84d6453c88d499d4f3066233c1ddd262173a6e07d9145", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b240eaa11592fbb1e0e84d6453c88d499d4f3066233c1ddd262173a6e07d9145", kill_on_drop: false }` [INFO] [stdout] b240eaa11592fbb1e0e84d6453c88d499d4f3066233c1ddd262173a6e07d9145 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 641e48b826551499855174244a6d84a47c779e2a6f58da2c8b5766447a37bd67 [INFO] running `Command { std: "docker" "start" "-a" "641e48b826551499855174244a6d84a47c779e2a6f58da2c8b5766447a37bd67", kill_on_drop: false }` [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 0.90s [INFO] running `Command { std: "docker" "inspect" "641e48b826551499855174244a6d84a47c779e2a6f58da2c8b5766447a37bd67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "641e48b826551499855174244a6d84a47c779e2a6f58da2c8b5766447a37bd67", kill_on_drop: false }` [INFO] [stdout] 641e48b826551499855174244a6d84a47c779e2a6f58da2c8b5766447a37bd67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 57916bf88d13bbcacfa7176609baac9e4edfce99c3cdba36cee322cac3b9a91f [INFO] running `Command { std: "docker" "start" "-a" "57916bf88d13bbcacfa7176609baac9e4edfce99c3cdba36cee322cac3b9a91f", 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: `crappylinkedlists` (lib) generated 1 warning [INFO] [stderr] warning: `crappylinkedlists` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/crappylinkedlists-1b3a9cafb0c3fab7) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test linked4::test::test_concat ... ok [INFO] [stdout] test linked4::test::test_create ... ok [INFO] [stdout] test linked5::test::test_concat ... ok [INFO] [stdout] test linked5::test::test_create ... ok [INFO] [stdout] test linked5::test::test_insert_first ... ok [INFO] [stdout] test linked5::test::test_pop_first ... ok [INFO] [stdout] test linked5::test::test_pop_last ... 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 0.68s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main-713c41bc103138e5) [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] [stderr] Doc-tests crappylinkedlists [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" "57916bf88d13bbcacfa7176609baac9e4edfce99c3cdba36cee322cac3b9a91f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57916bf88d13bbcacfa7176609baac9e4edfce99c3cdba36cee322cac3b9a91f", kill_on_drop: false }` [INFO] [stdout] 57916bf88d13bbcacfa7176609baac9e4edfce99c3cdba36cee322cac3b9a91f