[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#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Fcmp_polymorphism" "/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/aki-akaguma/cmp_polymorphism on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-3/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-3/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd989928251cc5bd1c2660c690dc5f76109d1567d0e3c01ccefd6ded44c1345c [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" "dd989928251cc5bd1c2660c690dc5f76109d1567d0e3c01ccefd6ded44c1345c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd989928251cc5bd1c2660c690dc5f76109d1567d0e3c01ccefd6ded44c1345c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd989928251cc5bd1c2660c690dc5f76109d1567d0e3c01ccefd6ded44c1345c", kill_on_drop: false }` [INFO] [stdout] dd989928251cc5bd1c2660c690dc5f76109d1567d0e3c01ccefd6ded44c1345c [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] 8f88ad6e7335cce815cfda4312df79dd303fbdcadf0a6e0dfb48928b3f600572 [INFO] running `Command { std: "docker" "start" "-a" "8f88ad6e7335cce815cfda4312df79dd303fbdcadf0a6e0dfb48928b3f600572", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling anyhow v1.0.39 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling memoffset v0.6.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking crossbeam-utils v0.8.3 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking cmp_polymorphism v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking rayon v1.5.0 [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] Compiling serde_derive v1.0.125 [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 1m 01s [INFO] running `Command { std: "docker" "inspect" "8f88ad6e7335cce815cfda4312df79dd303fbdcadf0a6e0dfb48928b3f600572", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f88ad6e7335cce815cfda4312df79dd303fbdcadf0a6e0dfb48928b3f600572", kill_on_drop: false }` [INFO] [stdout] 8f88ad6e7335cce815cfda4312df79dd303fbdcadf0a6e0dfb48928b3f600572