[INFO] cloning repository https://github.com/PRO-2684/Candy-Pile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PRO-2684/Candy-Pile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPRO-2684%2FCandy-Pile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPRO-2684%2FCandy-Pile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a29ce428d5347832e1ec29173fe628ce5b37f51e
[INFO] checking PRO-2684/Candy-Pile against try#f93f9bd1edfdb032bbf1c02773329541b22aa5a7 for pr-150727-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPRO-2684%2FCandy-Pile" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PRO-2684/Candy-Pile
[INFO] finished tweaking git repo https://github.com/PRO-2684/Candy-Pile
[INFO] tweaked toml for git repo https://github.com/PRO-2684/Candy-Pile written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PRO-2684/Candy-Pile on toolchain f93f9bd1edfdb032bbf1c02773329541b22aa5a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PRO-2684/Candy-Pile 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" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 724d598b2aeeb2f6386e5797c9eedee8726f35f6f1605d171f6d0ef64a0c7407
[INFO] running `Command { std: "docker" "start" "-a" "724d598b2aeeb2f6386e5797c9eedee8726f35f6f1605d171f6d0ef64a0c7407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "724d598b2aeeb2f6386e5797c9eedee8726f35f6f1605d171f6d0ef64a0c7407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724d598b2aeeb2f6386e5797c9eedee8726f35f6f1605d171f6d0ef64a0c7407", kill_on_drop: false }`
[INFO] [stdout] 724d598b2aeeb2f6386e5797c9eedee8726f35f6f1605d171f6d0ef64a0c7407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52e34df762987301efeb2f88946261744b050b88484d677844e6d5e497952a5c
[INFO] running `Command { std: "docker" "start" "-a" "52e34df762987301efeb2f88946261744b050b88484d677844e6d5e497952a5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro_rules_attr v0.1.3 (/opt/rustwide/workdir/macro_rules_attr)
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking should_match v0.1.1 (/opt/rustwide/workdir/should_match)
[INFO] [stderr]     Checking option-chain v0.1.2 (/opt/rustwide/workdir/option-chain)
[INFO] [stderr]     Checking downgrade v0.1.0 (/opt/rustwide/workdir/downgrade)
[INFO] [stderr]     Checking optfield-lite v0.1.0 (/opt/rustwide/workdir/optfield-lite)
[INFO] [stderr]     Checking attrio v0.1.0 (/opt/rustwide/workdir/attrio)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> option-chain/src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> optfield-lite/src/lib.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "52e34df762987301efeb2f88946261744b050b88484d677844e6d5e497952a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e34df762987301efeb2f88946261744b050b88484d677844e6d5e497952a5c", kill_on_drop: false }`
[INFO] [stdout] 52e34df762987301efeb2f88946261744b050b88484d677844e6d5e497952a5c