[INFO] cloning repository https://github.com/hyqhyq3/remove-bom-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hyqhyq3/remove-bom-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyqhyq3%2Fremove-bom-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyqhyq3%2Fremove-bom-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5b2630f06c35982ba334cecd545c10523e6ea25
[INFO] checking hyqhyq3/remove-bom-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyqhyq3%2Fremove-bom-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hyqhyq3/remove-bom-rs 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 git repo https://github.com/hyqhyq3/remove-bom-rs
[INFO] finished tweaking git repo https://github.com/hyqhyq3/remove-bom-rs
[INFO] tweaked toml for git repo https://github.com/hyqhyq3/remove-bom-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hyqhyq3/remove-bom-rs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded same-file v1.0.2
[INFO] [stderr]   Downloaded quote v0.5.1
[INFO] [stderr]   Downloaded proc-macro2 v0.3.6
[INFO] [stderr]   Downloaded structopt v0.2.7
[INFO] [stderr]   Downloaded walkdir v2.1.4
[INFO] [stderr]   Downloaded structopt-derive v0.2.7
[INFO] [stderr]   Downloaded clap v2.31.2
[INFO] [stderr]   Downloaded regex-syntax v0.5.5
[INFO] [stderr]   Downloaded syn v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 83ade9f31790498b3d5760da5c9bab074a3222cc068b93525ad9b6998639b828
[INFO] running `Command { std: "docker" "start" "-a" "83ade9f31790498b3d5760da5c9bab074a3222cc068b93525ad9b6998639b828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ade9f31790498b3d5760da5c9bab074a3222cc068b93525ad9b6998639b828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ade9f31790498b3d5760da5c9bab074a3222cc068b93525ad9b6998639b828", kill_on_drop: false }`
[INFO] [stdout] 83ade9f31790498b3d5760da5c9bab074a3222cc068b93525ad9b6998639b828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 471bbe50baf7ce44837ccb7e4b3ee4b0806dc3383ee8f74b774bf31d0a8c0523
[INFO] running `Command { std: "docker" "start" "-a" "471bbe50baf7ce44837ccb7e4b3ee4b0806dc3383ee8f74b774bf31d0a8c0523", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking regex-syntax v0.5.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling structopt-derive v0.2.7
[INFO] [stderr]     Checking structopt v0.2.7
[INFO] [stderr]     Checking remove-bom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[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 7.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "471bbe50baf7ce44837ccb7e4b3ee4b0806dc3383ee8f74b774bf31d0a8c0523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471bbe50baf7ce44837ccb7e4b3ee4b0806dc3383ee8f74b774bf31d0a8c0523", kill_on_drop: false }`
[INFO] [stdout] 471bbe50baf7ce44837ccb7e4b3ee4b0806dc3383ee8f74b774bf31d0a8c0523