[INFO] fetching crate tw_pack_lib 0.1.21...
[INFO] checking tw_pack_lib-0.1.21 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate tw_pack_lib 0.1.21 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tw_pack_lib 0.1.21 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 tw_pack_lib 0.1.21
[INFO] finished tweaking crates.io crate tw_pack_lib 0.1.21
[INFO] tweaked toml for crates.io crate tw_pack_lib 0.1.21 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 07c6b6ad0fd02a1b6ec3927700333c5d1457d122ed3e6ff8f097a08a7e131c92
[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" "07c6b6ad0fd02a1b6ec3927700333c5d1457d122ed3e6ff8f097a08a7e131c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07c6b6ad0fd02a1b6ec3927700333c5d1457d122ed3e6ff8f097a08a7e131c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c6b6ad0fd02a1b6ec3927700333c5d1457d122ed3e6ff8f097a08a7e131c92", kill_on_drop: false }`
[INFO] [stdout] 07c6b6ad0fd02a1b6ec3927700333c5d1457d122ed3e6ff8f097a08a7e131c92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 005a087b85259142af8d3a54bf97b4e9abbf8f98ba1ec99d6ecb6ca94af400a6
[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" "005a087b85259142af8d3a54bf97b4e9abbf8f98ba1ec99d6ecb6ca94af400a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cached_file_view v0.1.4
[INFO] [stderr]     Checking tw_pack_lib v0.1.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "005a087b85259142af8d3a54bf97b4e9abbf8f98ba1ec99d6ecb6ca94af400a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005a087b85259142af8d3a54bf97b4e9abbf8f98ba1ec99d6ecb6ca94af400a6", kill_on_drop: false }`
[INFO] [stdout] 005a087b85259142af8d3a54bf97b4e9abbf8f98ba1ec99d6ecb6ca94af400a6