[INFO] cloning repository https://github.com/aki-akaguma/cmp_polymorphism [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aki-akaguma/cmp_polymorphism" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Fcmp_polymorphism", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Fcmp_polymorphism'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1fef442ecf4086e99723872ef99808eecf744308 [INFO] checking aki-akaguma/cmp_polymorphism against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Fcmp_polymorphism" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aki-akaguma/cmp_polymorphism on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5/source/.cargo/config [INFO] started tweaking git repo https://github.com/aki-akaguma/cmp_polymorphism [INFO] finished tweaking git repo https://github.com/aki-akaguma/cmp_polymorphism [INFO] tweaked toml for git repo https://github.com/aki-akaguma/cmp_polymorphism written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/aki-akaguma/cmp_polymorphism already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ddb3d39d8f599c08fbf2f488d082db5376a39f07e32701e2095167284f99db0 [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" "5ddb3d39d8f599c08fbf2f488d082db5376a39f07e32701e2095167284f99db0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ddb3d39d8f599c08fbf2f488d082db5376a39f07e32701e2095167284f99db0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ddb3d39d8f599c08fbf2f488d082db5376a39f07e32701e2095167284f99db0", kill_on_drop: false }` [INFO] [stdout] 5ddb3d39d8f599c08fbf2f488d082db5376a39f07e32701e2095167284f99db0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--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] cff3032a62d0561ea4911f917f1324f4b6c8342c42494839f1e80d46ef4f8e32 [INFO] running `Command { std: "docker" "start" "-a" "cff3032a62d0561ea4911f917f1324f4b6c8342c42494839f1e80d46ef4f8e32", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling anyhow v1.0.39 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.2 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking cmp_polymorphism v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking xtask v0.1.0 (/opt/rustwide/workdir/xtask) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> xtask/src/shape_benchmark_results.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut bench_vec = get_bench("z.bench.log")?; [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: function is never used: `set_size` [INFO] [stdout] --> xtask/src/shape_benchmark_results.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn set_size(bench_vec: &mut Vec, in_file: &str) -> anyhow::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> xtask/src/shape_benchmark_results.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut bench_vec = get_bench("z.bench.log")?; [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: function is never used: `set_size` [INFO] [stdout] --> xtask/src/shape_benchmark_results.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn set_size(bench_vec: &mut Vec, in_file: &str) -> anyhow::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking rayon v1.5.0 [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stderr] Checking criterion-cycles-per-byte v0.1.2 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 54.24s [INFO] running `Command { std: "docker" "inspect" "cff3032a62d0561ea4911f917f1324f4b6c8342c42494839f1e80d46ef4f8e32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cff3032a62d0561ea4911f917f1324f4b6c8342c42494839f1e80d46ef4f8e32", kill_on_drop: false }` [INFO] [stdout] cff3032a62d0561ea4911f917f1324f4b6c8342c42494839f1e80d46ef4f8e32