[INFO] fetching crate freertos-cargo-build 0.1.1...
[INFO] checking freertos-cargo-build-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate freertos-cargo-build 0.1.1 into /workspace/builds/worker-0-tc2/source
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate freertos-cargo-build 0.1.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e62f56c2a95daf7c2a0653bb45dd54ff03a0f867a64566ef2349ad0b72ecc2d5
[INFO] running `Command { std: "docker" "start" "-a" "e62f56c2a95daf7c2a0653bb45dd54ff03a0f867a64566ef2349ad0b72ecc2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e62f56c2a95daf7c2a0653bb45dd54ff03a0f867a64566ef2349ad0b72ecc2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62f56c2a95daf7c2a0653bb45dd54ff03a0f867a64566ef2349ad0b72ecc2d5", kill_on_drop: false }`
[INFO] [stdout] e62f56c2a95daf7c2a0653bb45dd54ff03a0f867a64566ef2349ad0b72ecc2d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ab95d62b5070e0a6a9b5eeec1f1d90bd73d82d41a35145933860d8221cd0fa2
[INFO] running `Command { std: "docker" "start" "-a" "4ab95d62b5070e0a6a9b5eeec1f1d90bd73d82d41a35145933860d8221cd0fa2", kill_on_drop: false }`
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking shlex v1.3.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking cc v1.2.27
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "4ab95d62b5070e0a6a9b5eeec1f1d90bd73d82d41a35145933860d8221cd0fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab95d62b5070e0a6a9b5eeec1f1d90bd73d82d41a35145933860d8221cd0fa2", kill_on_drop: false }`
[INFO] [stdout] 4ab95d62b5070e0a6a9b5eeec1f1d90bd73d82d41a35145933860d8221cd0fa2