[INFO] fetching crate mimemagic 0.1.0...
[INFO] checking mimemagic-0.1.0 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate mimemagic 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mimemagic 0.1.0 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mimemagic 0.1.0
[INFO] finished tweaking crates.io crate mimemagic 0.1.0
[INFO] tweaked toml for crates.io crate mimemagic 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate mimemagic 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", 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] fae6ea0fec7dc6e0ac37e48684da2ac2d9f77d7b7f63cd7224d5c2ed65d13af3
[INFO] running `Command { std: "docker" "start" "-a" "fae6ea0fec7dc6e0ac37e48684da2ac2d9f77d7b7f63cd7224d5c2ed65d13af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fae6ea0fec7dc6e0ac37e48684da2ac2d9f77d7b7f63cd7224d5c2ed65d13af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae6ea0fec7dc6e0ac37e48684da2ac2d9f77d7b7f63cd7224d5c2ed65d13af3", kill_on_drop: false }`
[INFO] [stdout] fae6ea0fec7dc6e0ac37e48684da2ac2d9f77d7b7f63cd7224d5c2ed65d13af3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c80ed5f8d5b7087f860a89787a14977a014b32b00bb8c817d92f2ebd02aa4255
[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" "c80ed5f8d5b7087f860a89787a14977a014b32b00bb8c817d92f2ebd02aa4255", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-xml v0.17.2
[INFO] [stderr]    Compiling mimemagic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "c80ed5f8d5b7087f860a89787a14977a014b32b00bb8c817d92f2ebd02aa4255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80ed5f8d5b7087f860a89787a14977a014b32b00bb8c817d92f2ebd02aa4255", kill_on_drop: false }`
[INFO] [stdout] c80ed5f8d5b7087f860a89787a14977a014b32b00bb8c817d92f2ebd02aa4255