[INFO] fetching crate pdl 0.1.1...
[INFO] checking pdl-0.1.1 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate pdl 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pdl 0.1.1 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pdl 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pdl 0.1.1
[INFO] tweaked toml for crates.io crate pdl 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac0ff2249ba69aa592f6e24134799a0c3100a97428381fda9a9266adee4b24b7
[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" "ac0ff2249ba69aa592f6e24134799a0c3100a97428381fda9a9266adee4b24b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0ff2249ba69aa592f6e24134799a0c3100a97428381fda9a9266adee4b24b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0ff2249ba69aa592f6e24134799a0c3100a97428381fda9a9266adee4b24b7", kill_on_drop: false }`
[INFO] [stdout] ac0ff2249ba69aa592f6e24134799a0c3100a97428381fda9a9266adee4b24b7
[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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21db46cb9885ddca034076b2251786cad7b4a63e90c135d346af2bc443c1e40d
[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" "21db46cb9885ddca034076b2251786cad7b4a63e90c135d346af2bc443c1e40d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking indented v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking pdl v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.52s
[INFO] running `Command { std: "docker" "inspect" "21db46cb9885ddca034076b2251786cad7b4a63e90c135d346af2bc443c1e40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21db46cb9885ddca034076b2251786cad7b4a63e90c135d346af2bc443c1e40d", kill_on_drop: false }`
[INFO] [stdout] 21db46cb9885ddca034076b2251786cad7b4a63e90c135d346af2bc443c1e40d