[INFO] fetching crate workflow 0.3.0...
[INFO] checking workflow-0.3.0 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate workflow 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate workflow 0.3.0 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate workflow 0.3.0
[INFO] finished tweaking crates.io crate workflow 0.3.0
[INFO] tweaked toml for crates.io crate workflow 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate workflow 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 239c2b14a4b7a1217e4e1037dd83a0486fa7f69b271f7d2eeac5aed9ac0932c2
[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" "239c2b14a4b7a1217e4e1037dd83a0486fa7f69b271f7d2eeac5aed9ac0932c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "239c2b14a4b7a1217e4e1037dd83a0486fa7f69b271f7d2eeac5aed9ac0932c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "239c2b14a4b7a1217e4e1037dd83a0486fa7f69b271f7d2eeac5aed9ac0932c2", kill_on_drop: false }`
[INFO] [stdout] 239c2b14a4b7a1217e4e1037dd83a0486fa7f69b271f7d2eeac5aed9ac0932c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d82dbbcaa1e6207e877be31c0ef4a3f6a552596b436d686246865baf0e96e70
[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" "2d82dbbcaa1e6207e877be31c0ef4a3f6a552596b436d686246865baf0e96e70", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking simple_logger v1.9.0
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking workflow v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.79s
[INFO] running `Command { std: "docker" "inspect" "2d82dbbcaa1e6207e877be31c0ef4a3f6a552596b436d686246865baf0e96e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d82dbbcaa1e6207e877be31c0ef4a3f6a552596b436d686246865baf0e96e70", kill_on_drop: false }`
[INFO] [stdout] 2d82dbbcaa1e6207e877be31c0ef4a3f6a552596b436d686246865baf0e96e70