[INFO] fetching crate fmtcalc 0.1.0...
[INFO] checking fmtcalc-0.1.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate fmtcalc 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fmtcalc 0.1.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fmtcalc 0.1.0
[INFO] finished tweaking crates.io crate fmtcalc 0.1.0
[INFO] tweaked toml for crates.io crate fmtcalc 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate fmtcalc 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad9dfc103dc7c12838cce447cb63c5ff9f6acd687a737bc22fa38c033da817d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad9dfc103dc7c12838cce447cb63c5ff9f6acd687a737bc22fa38c033da817d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad9dfc103dc7c12838cce447cb63c5ff9f6acd687a737bc22fa38c033da817d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9dfc103dc7c12838cce447cb63c5ff9f6acd687a737bc22fa38c033da817d2", kill_on_drop: false }`
[INFO] [stdout] ad9dfc103dc7c12838cce447cb63c5ff9f6acd687a737bc22fa38c033da817d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd948ab982d4bdb4901ae9ffd8cfa7c2cfa6b6f36cbab370e9f6ac2df1f2d102
[INFO] running `Command { std: "docker" "start" "-a" "fd948ab982d4bdb4901ae9ffd8cfa7c2cfa6b6f36cbab370e9f6ac2df1f2d102", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling derive-enum-error v0.0.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking dynfmt v0.1.4
[INFO] [stderr]     Checking fmtcalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "fd948ab982d4bdb4901ae9ffd8cfa7c2cfa6b6f36cbab370e9f6ac2df1f2d102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd948ab982d4bdb4901ae9ffd8cfa7c2cfa6b6f36cbab370e9f6ac2df1f2d102", kill_on_drop: false }`
[INFO] [stdout] fd948ab982d4bdb4901ae9ffd8cfa7c2cfa6b6f36cbab370e9f6ac2df1f2d102