[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#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeavid%2Fcrappylinkedlists" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/deavid/crappylinkedlists 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/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-3/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded error-chain v0.12.2 [INFO] [stderr] Downloaded bencher v0.1.5 [INFO] [stderr] Downloaded backtrace-sys v0.1.36 [INFO] [stderr] Downloaded cpuprofiler v0.0.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 23ba7b4c86a261522bb26c72a8c6225d551e194fd8abbe1b55ba2255f11c5db7 [INFO] running `Command { std: "docker" "start" "-a" "23ba7b4c86a261522bb26c72a8c6225d551e194fd8abbe1b55ba2255f11c5db7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23ba7b4c86a261522bb26c72a8c6225d551e194fd8abbe1b55ba2255f11c5db7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23ba7b4c86a261522bb26c72a8c6225d551e194fd8abbe1b55ba2255f11c5db7", kill_on_drop: false }` [INFO] [stdout] 23ba7b4c86a261522bb26c72a8c6225d551e194fd8abbe1b55ba2255f11c5db7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 108c13b266625bb7fe4d9539cdbb66f1cfcb43437a8689c81e80ee252dc71035 [INFO] running `Command { std: "docker" "start" "-a" "108c13b266625bb7fe4d9539cdbb66f1cfcb43437a8689c81e80ee252dc71035", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [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 15.74s [INFO] running `Command { std: "docker" "inspect" "108c13b266625bb7fe4d9539cdbb66f1cfcb43437a8689c81e80ee252dc71035", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "108c13b266625bb7fe4d9539cdbb66f1cfcb43437a8689c81e80ee252dc71035", kill_on_drop: false }` [INFO] [stdout] 108c13b266625bb7fe4d9539cdbb66f1cfcb43437a8689c81e80ee252dc71035 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 267a31e6a0338a61cfac20fb75d2d854d8ac53a9a04da72ad732c86dd70df821 [INFO] running `Command { std: "docker" "start" "-a" "267a31e6a0338a61cfac20fb75d2d854d8ac53a9a04da72ad732c86dd70df821", 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 2.14s [INFO] running `Command { std: "docker" "inspect" "267a31e6a0338a61cfac20fb75d2d854d8ac53a9a04da72ad732c86dd70df821", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "267a31e6a0338a61cfac20fb75d2d854d8ac53a9a04da72ad732c86dd70df821", kill_on_drop: false }` [INFO] [stdout] 267a31e6a0338a61cfac20fb75d2d854d8ac53a9a04da72ad732c86dd70df821 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 046252083ad9c2bfc0dc20e26468583a8c8d65cd760c4ae30db1bd8c51f22e4f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "046252083ad9c2bfc0dc20e26468583a8c8d65cd760c4ae30db1bd8c51f22e4f", 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 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/crappylinkedlists-1b3a9cafb0c3fab7) [INFO] [stdout] running 11 tests [INFO] [stdout] test linked4::test::test_concat ... 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_rev_iter ... ok [INFO] [stdout] test linked5::test::test_create ... ok [INFO] [stdout] test linked4::test::test_create ... ok [INFO] [stdout] test linked5::test::test_concat ... ok [INFO] [stdout] test linked5::test::test_pop_last ... ok [INFO] [stdout] test linked5::test::test_concat_huge ... ok [INFO] [stdout] test linked4::test::test_concat_big ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main-713c41bc103138e5) [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 0.95s [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] [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" "046252083ad9c2bfc0dc20e26468583a8c8d65cd760c4ae30db1bd8c51f22e4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "046252083ad9c2bfc0dc20e26468583a8c8d65cd760c4ae30db1bd8c51f22e4f", kill_on_drop: false }` [INFO] [stdout] 046252083ad9c2bfc0dc20e26468583a8c8d65cd760c4ae30db1bd8c51f22e4f