[INFO] fetching crate proc-reader 0.5.0...
[INFO] checking proc-reader-0.5.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate proc-reader 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate proc-reader 0.5.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc-reader 0.5.0
[INFO] finished tweaking crates.io crate proc-reader 0.5.0
[INFO] tweaked toml for crates.io crate proc-reader 0.5.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfc09016bdb2a94aa86f9ec8ac7cd47d4065d5b4474e77e83c15ae7b55991405
[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" "bfc09016bdb2a94aa86f9ec8ac7cd47d4065d5b4474e77e83c15ae7b55991405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfc09016bdb2a94aa86f9ec8ac7cd47d4065d5b4474e77e83c15ae7b55991405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc09016bdb2a94aa86f9ec8ac7cd47d4065d5b4474e77e83c15ae7b55991405", kill_on_drop: false }`
[INFO] [stdout] bfc09016bdb2a94aa86f9ec8ac7cd47d4065d5b4474e77e83c15ae7b55991405
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b42c69ccc832ce4a0899aadaebe41c3722e19403c56560bdf5a294d883b57c95
[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" "b42c69ccc832ce4a0899aadaebe41c3722e19403c56560bdf5a294d883b57c95", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]    Compiling cargo_metadata v0.10.0
[INFO] [stderr]     Checking skeptic v0.13.5
[INFO] [stderr]    Compiling proc-reader v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.56s
[INFO] running `Command { std: "docker" "inspect" "b42c69ccc832ce4a0899aadaebe41c3722e19403c56560bdf5a294d883b57c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42c69ccc832ce4a0899aadaebe41c3722e19403c56560bdf5a294d883b57c95", kill_on_drop: false }`
[INFO] [stdout] b42c69ccc832ce4a0899aadaebe41c3722e19403c56560bdf5a294d883b57c95