[INFO] crate structopt 0.3.4 is already in cache
[INFO] checking structopt-0.3.4 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate structopt 0.3.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate structopt 0.3.4 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate structopt 0.3.4
[INFO] finished tweaking crates.io crate structopt 0.3.4
[INFO] tweaked toml for crates.io crate structopt 0.3.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate structopt 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a686394e5d13e9957ef8dcac13a3056d48d23651f23b78d9a40cb32f385b7a89
[INFO] running `"docker" "start" "-a" "a686394e5d13e9957ef8dcac13a3056d48d23651f23b78d9a40cb32f385b7a89"`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]    Compiling rustversion v0.1.4
[INFO] [stderr]     Checking structopt v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking trybuild v1.0.17
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.24s
[INFO] running `"docker" "inspect" "a686394e5d13e9957ef8dcac13a3056d48d23651f23b78d9a40cb32f385b7a89"`
[INFO] running `"docker" "rm" "-f" "a686394e5d13e9957ef8dcac13a3056d48d23651f23b78d9a40cb32f385b7a89"`
[INFO] [stdout] a686394e5d13e9957ef8dcac13a3056d48d23651f23b78d9a40cb32f385b7a89