[INFO] fetching crate tokio-eld 0.2.0...
[INFO] checking tokio-eld-0.2.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate tokio-eld 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate tokio-eld 0.2.0
[INFO] finished tweaking crates.io crate tokio-eld 0.2.0
[INFO] tweaked toml for crates.io crate tokio-eld 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-eld 0.2.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 707e3ac5a169ac84652f9ae2d39689772efbdb7e5178c0da7402f119d31e80d3
[INFO] running `Command { std: "docker" "start" "-a" "707e3ac5a169ac84652f9ae2d39689772efbdb7e5178c0da7402f119d31e80d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "707e3ac5a169ac84652f9ae2d39689772efbdb7e5178c0da7402f119d31e80d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707e3ac5a169ac84652f9ae2d39689772efbdb7e5178c0da7402f119d31e80d3", kill_on_drop: false }`
[INFO] [stdout] 707e3ac5a169ac84652f9ae2d39689772efbdb7e5178c0da7402f119d31e80d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc98d4a8c011e49ab55317723252ecfdb4d2369f467757619e99fc7365cac942
[INFO] running `Command { std: "docker" "start" "-a" "cc98d4a8c011e49ab55317723252ecfdb4d2369f467757619e99fc7365cac942", kill_on_drop: false }`
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking hdrhistogram v7.5.4
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking tokio-eld v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let mut h = EldHistogram::<u64>::new(20).unwrap();
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "cc98d4a8c011e49ab55317723252ecfdb4d2369f467757619e99fc7365cac942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc98d4a8c011e49ab55317723252ecfdb4d2369f467757619e99fc7365cac942", kill_on_drop: false }`
[INFO] [stdout] cc98d4a8c011e49ab55317723252ecfdb4d2369f467757619e99fc7365cac942