[INFO] cloning repository https://github.com/cmlsharp/yahc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cmlsharp/yahc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmlsharp%2Fyahc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmlsharp%2Fyahc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a856def1f98e7f749b20ce2092eca1d297cffc64
[INFO] checking cmlsharp/yahc against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmlsharp%2Fyahc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cmlsharp/yahc
[INFO] finished tweaking git repo https://github.com/cmlsharp/yahc
[INFO] tweaked toml for git repo https://github.com/cmlsharp/yahc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cmlsharp/yahc on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cmlsharp/yahc 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b2c2c2d76ccccf8af26566af1863eff6b82fd21c4558d665b72b6788692bda7
[INFO] running `Command { std: "docker" "start" "-a" "6b2c2c2d76ccccf8af26566af1863eff6b82fd21c4558d665b72b6788692bda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b2c2c2d76ccccf8af26566af1863eff6b82fd21c4558d665b72b6788692bda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2c2c2d76ccccf8af26566af1863eff6b82fd21c4558d665b72b6788692bda7", kill_on_drop: false }`
[INFO] [stdout] 6b2c2c2d76ccccf8af26566af1863eff6b82fd21c4558d665b72b6788692bda7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f9f9b0a306e4a998868142d729045b90166151244c105a70e9d36840b532be0
[INFO] running `Command { std: "docker" "start" "-a" "2f9f9b0a306e4a998868142d729045b90166151244c105a70e9d36840b532be0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking rustc-demangle v0.1.25
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking object v0.36.7
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]     Checking debug-cell v0.1.1
[INFO] [stderr]     Checking yahc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::Id`
[INFO] [stdout]  --> src/unsync/table.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::Id;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cell`
[INFO] [stdout]  --> src/unsync/table.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::{Cell, RefCell};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Id`
[INFO] [stdout]  --> src/unsync/table.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::Id;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cell`
[INFO] [stdout]  --> src/unsync/table.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::{Cell, RefCell};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "2f9f9b0a306e4a998868142d729045b90166151244c105a70e9d36840b532be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9f9b0a306e4a998868142d729045b90166151244c105a70e9d36840b532be0", kill_on_drop: false }`
[INFO] [stdout] 2f9f9b0a306e4a998868142d729045b90166151244c105a70e9d36840b532be0