[INFO] fetching crate freertos-cargo-build 0.1.1...
[INFO] checking freertos-cargo-build-0.1.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate freertos-cargo-build 0.1.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate freertos-cargo-build 0.1.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freertos-cargo-build 0.1.1
[INFO] finished tweaking crates.io crate freertos-cargo-build 0.1.1
[INFO] tweaked toml for crates.io crate freertos-cargo-build 0.1.1 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 970f961a9ebc6688e44fe98b6f284e22c9370921c4242d000221bdaaae5c3bc6
[INFO] running `Command { std: "docker" "start" "-a" "970f961a9ebc6688e44fe98b6f284e22c9370921c4242d000221bdaaae5c3bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "970f961a9ebc6688e44fe98b6f284e22c9370921c4242d000221bdaaae5c3bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970f961a9ebc6688e44fe98b6f284e22c9370921c4242d000221bdaaae5c3bc6", kill_on_drop: false }`
[INFO] [stdout] 970f961a9ebc6688e44fe98b6f284e22c9370921c4242d000221bdaaae5c3bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b99c181c76910518ac0ff1837b7f4e7e3f1e88b8b3f74ce4ced168182bc9523
[INFO] running `Command { std: "docker" "start" "-a" "4b99c181c76910518ac0ff1837b7f4e7e3f1e88b8b3f74ce4ced168182bc9523", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cc v1.0.70
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking freertos-cargo-build v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |     let mut b = Builder::new();
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.10s
[INFO] running `Command { std: "docker" "inspect" "4b99c181c76910518ac0ff1837b7f4e7e3f1e88b8b3f74ce4ced168182bc9523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b99c181c76910518ac0ff1837b7f4e7e3f1e88b8b3f74ce4ced168182bc9523", kill_on_drop: false }`
[INFO] [stdout] 4b99c181c76910518ac0ff1837b7f4e7e3f1e88b8b3f74ce4ced168182bc9523