[INFO] fetching crate darkmagic 0.0.0...
[INFO] checking darkmagic-0.0.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate darkmagic 0.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate darkmagic 0.0.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate darkmagic 0.0.0
[INFO] finished tweaking crates.io crate darkmagic 0.0.0
[INFO] tweaked toml for crates.io crate darkmagic 0.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate darkmagic 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mutate_once v0.1.1
[INFO] [stderr]   Downloaded kamadak-exif v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d56a144dd12e58765e26381f12c881b91723f74ab65e27c7ceb4e34f879cf619
[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" "d56a144dd12e58765e26381f12c881b91723f74ab65e27c7ceb4e34f879cf619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d56a144dd12e58765e26381f12c881b91723f74ab65e27c7ceb4e34f879cf619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56a144dd12e58765e26381f12c881b91723f74ab65e27c7ceb4e34f879cf619", kill_on_drop: false }`
[INFO] [stdout] d56a144dd12e58765e26381f12c881b91723f74ab65e27c7ceb4e34f879cf619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae58ee24d1356c688b887b0db4d731e50ac6deb74643077d524e42dcedc71365
[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" "ae58ee24d1356c688b887b0db4d731e50ac6deb74643077d524e42dcedc71365", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking mutate_once v0.1.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking kamadak-exif v0.5.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling enumn v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling rawloader v0.36.3
[INFO] [stderr]     Checking darkmagic v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.23s
[INFO] running `Command { std: "docker" "inspect" "ae58ee24d1356c688b887b0db4d731e50ac6deb74643077d524e42dcedc71365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae58ee24d1356c688b887b0db4d731e50ac6deb74643077d524e42dcedc71365", kill_on_drop: false }`
[INFO] [stdout] ae58ee24d1356c688b887b0db4d731e50ac6deb74643077d524e42dcedc71365