[INFO] fetching crate packattack 0.1.0...
[INFO] checking packattack-0.1.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate packattack 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate packattack 0.1.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate packattack 0.1.0
[INFO] finished tweaking crates.io crate packattack 0.1.0
[INFO] tweaked toml for crates.io crate packattack 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] 146431a5f01ef94e88919ec21c49c7570355eb570deedcd1f8c1f0fc560ca7ed
[INFO] running `Command { std: "docker" "start" "-a" "146431a5f01ef94e88919ec21c49c7570355eb570deedcd1f8c1f0fc560ca7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "146431a5f01ef94e88919ec21c49c7570355eb570deedcd1f8c1f0fc560ca7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "146431a5f01ef94e88919ec21c49c7570355eb570deedcd1f8c1f0fc560ca7ed", kill_on_drop: false }`
[INFO] [stdout] 146431a5f01ef94e88919ec21c49c7570355eb570deedcd1f8c1f0fc560ca7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ce5c42409b2591240716aaf256de40c39c79b346738553576e4bfb9656ec4f3
[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" "1ce5c42409b2591240716aaf256de40c39c79b346738553576e4bfb9656ec4f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bit_reverse v0.1.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.2.0
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking bitreader_async v0.2.0
[INFO] [stderr]     Checking packattack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.19s
[INFO] running `Command { std: "docker" "inspect" "1ce5c42409b2591240716aaf256de40c39c79b346738553576e4bfb9656ec4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce5c42409b2591240716aaf256de40c39c79b346738553576e4bfb9656ec4f3", kill_on_drop: false }`
[INFO] [stdout] 1ce5c42409b2591240716aaf256de40c39c79b346738553576e4bfb9656ec4f3