[INFO] cloning repository https://github.com/Kerollmops/test-grenad-parameters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kerollmops/test-grenad-parameters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Ftest-grenad-parameters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Ftest-grenad-parameters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6869fa1cebea2cf8459e6df7ee494c6b507ed22a
[INFO] checking Kerollmops/test-grenad-parameters/6869fa1cebea2cf8459e6df7ee494c6b507ed22a against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Ftest-grenad-parameters" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kerollmops/test-grenad-parameters on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kerollmops/test-grenad-parameters
[INFO] finished tweaking git repo https://github.com/Kerollmops/test-grenad-parameters
[INFO] tweaked toml for git repo https://github.com/Kerollmops/test-grenad-parameters written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kerollmops/test-grenad-parameters already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/Kerollmops/grenad`
[INFO] [stderr]     Updating git repository `https://github.com/Kerollmops/heed`
[INFO] [stderr]     Updating git repository `https://github.com/meilisearch/lmdb-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/meilisearch/lmdb`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded retain_mut v0.1.4
[INFO] [stderr]   Downloaded synchronoise v1.0.0
[INFO] [stderr]   Downloaded lz4_flex v0.9.2
[INFO] [stderr]   Downloaded gabble v0.1.1
[INFO] [stderr]   Downloaded memmap2 v0.5.0
[INFO] [stderr]   Downloaded page_size v0.4.2
[INFO] [stderr]   Downloaded bytemuck_derive v1.0.1
[INFO] [stderr]   Downloaded roaring v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 282dfdddc3c950d634b2133c44ce28f5254592e311afe5e97b716b9cf12c5cd6
[INFO] running `Command { std: "docker" "start" "-a" "282dfdddc3c950d634b2133c44ce28f5254592e311afe5e97b716b9cf12c5cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "282dfdddc3c950d634b2133c44ce28f5254592e311afe5e97b716b9cf12c5cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282dfdddc3c950d634b2133c44ce28f5254592e311afe5e97b716b9cf12c5cd6", kill_on_drop: false }`
[INFO] [stdout] 282dfdddc3c950d634b2133c44ce28f5254592e311afe5e97b716b9cf12c5cd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b140f9671dc2e76a8c31a146bba1cec8a5668eb25eef9f83c3b0af09d1689f9
[INFO] running `Command { std: "docker" "start" "-a" "7b140f9671dc2e76a8c31a146bba1cec8a5668eb25eef9f83c3b0af09d1689f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking twox-hash v1.6.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]     Checking lz4_flex v0.9.2
[INFO] [stderr]     Checking synchronoise v1.0.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking retain_mut v0.1.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
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[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking memmap2 v0.5.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.15.0 (https://github.com/meilisearch/lmdb-rs#d0b50d02)
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking gabble v0.1.1
[INFO] [stderr]     Checking heed v0.12.1 (https://github.com/Kerollmops/heed?branch=v0.13#bc02a834)
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling bytemuck_derive v1.0.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking grenad v0.4.1 (https://github.com/Kerollmops/grenad?branch=avoid-copying-too-much#6b777034)
[INFO] [stderr]     Checking roaring v0.8.1
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking test-grenad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]    --> src/main.rs:181:16
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let Opts { verbose, folder, subcommand } = Opts::try_parse()?;
[INFO] [stdout]     |                ^^^^^^^ help: try ignoring the field: `verbose: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]    --> src/main.rs:181:16
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let Opts { verbose, folder, subcommand } = Opts::try_parse()?;
[INFO] [stdout]     |                ^^^^^^^ help: try ignoring the field: `verbose: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Results` is never constructed
[INFO] [stdout]    --> src/main.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 175 | struct Results {
[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: struct `Results` is never constructed
[INFO] [stdout]    --> src/main.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 175 | struct Results {
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.74s
[INFO] running `Command { std: "docker" "inspect" "7b140f9671dc2e76a8c31a146bba1cec8a5668eb25eef9f83c3b0af09d1689f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b140f9671dc2e76a8c31a146bba1cec8a5668eb25eef9f83c3b0af09d1689f9", kill_on_drop: false }`
[INFO] [stdout] 7b140f9671dc2e76a8c31a146bba1cec8a5668eb25eef9f83c3b0af09d1689f9