[INFO] cloning repository https://github.com/danielmarin95/file-size-formatter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielmarin95/file-size-formatter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielmarin95%2Ffile-size-formatter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielmarin95%2Ffile-size-formatter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 508747b6240aa586b86a882e7454b3ff4e55d1a9
[INFO] checking danielmarin95/file-size-formatter against master#17ffbc81a30c094193836a5d7f90dff273b5df93 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielmarin95%2Ffile-size-formatter" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danielmarin95/file-size-formatter on toolchain 17ffbc81a30c094193836a5d7f90dff273b5df93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danielmarin95/file-size-formatter
[INFO] finished tweaking git repo https://github.com/danielmarin95/file-size-formatter
[INFO] tweaked toml for git repo https://github.com/danielmarin95/file-size-formatter written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/danielmarin95/file-size-formatter 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" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "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-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdfa50dbe8f8d9211e6fa6acc06a1e86cb07253cb6797e05eabbeef7f3a53955
[INFO] running `Command { std: "docker" "start" "-a" "bdfa50dbe8f8d9211e6fa6acc06a1e86cb07253cb6797e05eabbeef7f3a53955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdfa50dbe8f8d9211e6fa6acc06a1e86cb07253cb6797e05eabbeef7f3a53955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdfa50dbe8f8d9211e6fa6acc06a1e86cb07253cb6797e05eabbeef7f3a53955", kill_on_drop: false }`
[INFO] [stdout] bdfa50dbe8f8d9211e6fa6acc06a1e86cb07253cb6797e05eabbeef7f3a53955
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66c3dca7e0961bc6b91e3ca66507d20b3d61c93365e745b3e8bfe2c13ba50ba5
[INFO] running `Command { std: "docker" "start" "-a" "66c3dca7e0961bc6b91e3ca66507d20b3d61c93365e745b3e8bfe2c13ba50ba5", kill_on_drop: false }`
[INFO] [stderr]     Checking file-size-formatter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `env` and `fs::File`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, fs::File};
[INFO] [stdout]   |           ^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `env` and `fs::File`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, fs::File};
[INFO] [stdout]   |           ^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "66c3dca7e0961bc6b91e3ca66507d20b3d61c93365e745b3e8bfe2c13ba50ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c3dca7e0961bc6b91e3ca66507d20b3d61c93365e745b3e8bfe2c13ba50ba5", kill_on_drop: false }`
[INFO] [stdout] 66c3dca7e0961bc6b91e3ca66507d20b3d61c93365e745b3e8bfe2c13ba50ba5