[INFO] fetching crate runscript 1.3.0...
[INFO] checking runscript-1.3.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate runscript 1.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate runscript 1.3.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate runscript 1.3.0
[INFO] finished tweaking crates.io crate runscript 1.3.0
[INFO] tweaked toml for crates.io crate runscript 1.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate runscript 1.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76ecc973da03c769c3d3f3c22add5d671947dfb66b355716b5620587fb53b9a4
[INFO] running `Command { std: "docker" "start" "-a" "76ecc973da03c769c3d3f3c22add5d671947dfb66b355716b5620587fb53b9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76ecc973da03c769c3d3f3c22add5d671947dfb66b355716b5620587fb53b9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ecc973da03c769c3d3f3c22add5d671947dfb66b355716b5620587fb53b9a4", kill_on_drop: false }`
[INFO] [stdout] 76ecc973da03c769c3d3f3c22add5d671947dfb66b355716b5620587fb53b9a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 484ac65f9d5e66136a5ddabbc45bd269175f8bff9eda105ebac102cd71c09a9f
[INFO] running `Command { std: "docker" "start" "-a" "484ac65f9d5e66136a5ddabbc45bd269175f8bff9eda105ebac102cd71c09a9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking filenamegen v0.2.4
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]     Checking enum-map v0.6.4
[INFO] [stderr]     Checking runscript v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `parse_runfile`
[INFO] [stdout]    --> src/parser.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn parse_runfile(path: impl Into<PathBuf>) -> Result<Runscript, ParseOrIOError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_runfile`
[INFO] [stdout]    --> src/parser.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn parse_runfile(path: impl Into<PathBuf>) -> Result<Runscript, ParseOrIOError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 12.12s
[INFO] running `Command { std: "docker" "inspect" "484ac65f9d5e66136a5ddabbc45bd269175f8bff9eda105ebac102cd71c09a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484ac65f9d5e66136a5ddabbc45bd269175f8bff9eda105ebac102cd71c09a9f", kill_on_drop: false }`
[INFO] [stdout] 484ac65f9d5e66136a5ddabbc45bd269175f8bff9eda105ebac102cd71c09a9f