[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] 73e50d604e3738980a5abda211449c4110afbad1 [INFO] checking aki-akaguma/cmp_polymorphism against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Fcmp_polymorphism" "/workspace/builds/worker-81/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aki-akaguma/cmp_polymorphism on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-81/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-81/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] face73a6c678cebc2ea045350501dfa4942202ace3f606c1627552f79215906c [INFO] running `Command { std: "docker" "start" "-a" "face73a6c678cebc2ea045350501dfa4942202ace3f606c1627552f79215906c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "face73a6c678cebc2ea045350501dfa4942202ace3f606c1627552f79215906c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "face73a6c678cebc2ea045350501dfa4942202ace3f606c1627552f79215906c", kill_on_drop: false }` [INFO] [stdout] face73a6c678cebc2ea045350501dfa4942202ace3f606c1627552f79215906c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7dcdf3cbd98f978e613286f04b226d493a41765e6db8d49072d30e5d94f2189f [INFO] running `Command { std: "docker" "start" "-a" "7dcdf3cbd98f978e613286f04b226d493a41765e6db8d49072d30e5d94f2189f", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.106 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.45 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking cmp_polymorphism v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling memx v0.1.17 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking memx-cdy v0.1.6 [INFO] [stderr] Checking csv v1.1.6 [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: 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: 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Checking criterion-cycles-per-byte v0.1.2 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.31s [INFO] running `Command { std: "docker" "inspect" "7dcdf3cbd98f978e613286f04b226d493a41765e6db8d49072d30e5d94f2189f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dcdf3cbd98f978e613286f04b226d493a41765e6db8d49072d30e5d94f2189f", kill_on_drop: false }` [INFO] [stdout] 7dcdf3cbd98f978e613286f04b226d493a41765e6db8d49072d30e5d94f2189f