[INFO] fetching crate mp3-folder-rename 0.1.0...
[INFO] checking mp3-folder-rename-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mp3-folder-rename 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mp3-folder-rename 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mp3-folder-rename 0.1.0
[INFO] finished tweaking crates.io crate mp3-folder-rename 0.1.0
[INFO] tweaked toml for crates.io crate mp3-folder-rename 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mp3-folder-rename 0.1.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded flate2 v1.0.17
[INFO] [stderr]   Downloaded clogger v0.1.0
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded miniz_oxide v0.4.2
[INFO] [stderr]   Downloaded id3 v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2ce6c83b6aa8cd6432aace9cda42141d1ce9da887ff7fbbb65ed6a1e4707228
[INFO] running `Command { std: "docker" "start" "-a" "c2ce6c83b6aa8cd6432aace9cda42141d1ce9da887ff7fbbb65ed6a1e4707228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2ce6c83b6aa8cd6432aace9cda42141d1ce9da887ff7fbbb65ed6a1e4707228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ce6c83b6aa8cd6432aace9cda42141d1ce9da887ff7fbbb65ed6a1e4707228", kill_on_drop: false }`
[INFO] [stdout] c2ce6c83b6aa8cd6432aace9cda42141d1ce9da887ff7fbbb65ed6a1e4707228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08aa05b494e6b1cb6849f08c1b7db0c7b53b2a206b5761b4950a5e5c1db30bbc
[INFO] running `Command { std: "docker" "start" "-a" "08aa05b494e6b1cb6849f08c1b7db0c7b53b2a206b5761b4950a5e5c1db30bbc", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking clogger v0.1.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking id3 v0.5.1
[INFO] [stderr]     Checking mp3-folder-rename v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `exitcode` is imported redundantly
[INFO] [stdout]  --> src/folder.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use exitcode;
[INFO] [stdout]   |     ^^^^^^^^ the item `exitcode` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `exitcode` is imported redundantly
[INFO] [stdout]  --> src/folder.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use exitcode;
[INFO] [stdout]   |     ^^^^^^^^ the item `exitcode` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `Command { std: "docker" "inspect" "08aa05b494e6b1cb6849f08c1b7db0c7b53b2a206b5761b4950a5e5c1db30bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08aa05b494e6b1cb6849f08c1b7db0c7b53b2a206b5761b4950a5e5c1db30bbc", kill_on_drop: false }`
[INFO] [stdout] 08aa05b494e6b1cb6849f08c1b7db0c7b53b2a206b5761b4950a5e5c1db30bbc