[INFO] cloning repository https://github.com/mpm896/rust-filesize-formatter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mpm896/rust-filesize-formatter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpm896%2Frust-filesize-formatter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpm896%2Frust-filesize-formatter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a68b65ac3b102a43078e9a87009d64d914fbc831
[INFO] checking mpm896/rust-filesize-formatter against try#099af82bc034c1e4895c90e5407fafdd61976cdb for pr-145457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpm896%2Frust-filesize-formatter" "/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/mpm896/rust-filesize-formatter
[INFO] finished tweaking git repo https://github.com/mpm896/rust-filesize-formatter
[INFO] tweaked toml for git repo https://github.com/mpm896/rust-filesize-formatter written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mpm896/rust-filesize-formatter on toolchain 099af82bc034c1e4895c90e5407fafdd61976cdb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mpm896/rust-filesize-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" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 869bdd3642479cdcf5020533f3a5e9775fdf7e9e64b41f13879e086f29621504
[INFO] running `Command { std: "docker" "start" "-a" "869bdd3642479cdcf5020533f3a5e9775fdf7e9e64b41f13879e086f29621504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "869bdd3642479cdcf5020533f3a5e9775fdf7e9e64b41f13879e086f29621504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869bdd3642479cdcf5020533f3a5e9775fdf7e9e64b41f13879e086f29621504", kill_on_drop: false }`
[INFO] [stdout] 869bdd3642479cdcf5020533f3a5e9775fdf7e9e64b41f13879e086f29621504
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deca312ac2acc3b622b471b26bf0ae4a6e1adcea5caee3d1356fa0948ffef5c9
[INFO] running `Command { std: "docker" "start" "-a" "deca312ac2acc3b622b471b26bf0ae4a6e1adcea5caee3d1356fa0948ffef5c9", kill_on_drop: false }`
[INFO] [stderr]     Checking file-size-formatter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> src/main.rs:1:16
[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: fields `bytes`, `kilobytes`, `megabytes`, `gigabytes`, and `terabytes` are never read
[INFO] [stdout]  --> src/main.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Sizes {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 5 |   bytes: String,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 6 |   kilobytes: String,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout] 7 |   megabytes: String,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout] 8 |   gigabytes: String,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout] 9 |   terabytes: String,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sizes` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> src/main.rs:1:16
[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: fields `bytes`, `kilobytes`, `megabytes`, `gigabytes`, and `terabytes` are never read
[INFO] [stdout]  --> src/main.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Sizes {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 5 |   bytes: String,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 6 |   kilobytes: String,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout] 7 |   megabytes: String,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout] 8 |   gigabytes: String,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout] 9 |   terabytes: String,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sizes` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "deca312ac2acc3b622b471b26bf0ae4a6e1adcea5caee3d1356fa0948ffef5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deca312ac2acc3b622b471b26bf0ae4a6e1adcea5caee3d1356fa0948ffef5c9", kill_on_drop: false }`
[INFO] [stdout] deca312ac2acc3b622b471b26bf0ae4a6e1adcea5caee3d1356fa0948ffef5c9