[INFO] fetching crate terror 3.1.0...
[INFO] checking terror-3.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate terror 3.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate terror 3.1.0
[INFO] finished tweaking crates.io crate terror 3.1.0
[INFO] tweaked toml for crates.io crate terror 3.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate terror 3.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate terror 3.1.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded httpstatus v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7fc10cc9255965c1215d8ec6b550b0e2db9e18aa6e8e860f6be5adee55ba113
[INFO] running `Command { std: "docker" "start" "-a" "a7fc10cc9255965c1215d8ec6b550b0e2db9e18aa6e8e860f6be5adee55ba113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7fc10cc9255965c1215d8ec6b550b0e2db9e18aa6e8e860f6be5adee55ba113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fc10cc9255965c1215d8ec6b550b0e2db9e18aa6e8e860f6be5adee55ba113", kill_on_drop: false }`
[INFO] [stdout] a7fc10cc9255965c1215d8ec6b550b0e2db9e18aa6e8e860f6be5adee55ba113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8abcdc96d01a47e3890f2c9323c75fa40600d1545a405a935dcf315771d0e100
[INFO] running `Command { std: "docker" "start" "-a" "8abcdc96d01a47e3890f2c9323c75fa40600d1545a405a935dcf315771d0e100", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking terror v3.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:611:33
[INFO] [stdout]     |
[INFO] [stdout] 611 |     fn compare(expected: Value, mut actual: Value) -> R {
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:629:64
[INFO] [stdout]     |
[INFO] [stdout] 629 |     fn compare_respecting_manually_set_fields(expected: Value, mut actual: Value) -> R {
[INFO] [stdout]     |                                                                ----^^^^^^
[INFO] [stdout]     |                                                                |
[INFO] [stdout]     |                                                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.19s
[INFO] running `Command { std: "docker" "inspect" "8abcdc96d01a47e3890f2c9323c75fa40600d1545a405a935dcf315771d0e100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8abcdc96d01a47e3890f2c9323c75fa40600d1545a405a935dcf315771d0e100", kill_on_drop: false }`
[INFO] [stdout] 8abcdc96d01a47e3890f2c9323c75fa40600d1545a405a935dcf315771d0e100