[INFO] fetching crate squawk-parser 0.4.0...
[INFO] checking squawk-parser-0.4.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate squawk-parser 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate squawk-parser 0.4.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate squawk-parser 0.4.0
[INFO] finished tweaking crates.io crate squawk-parser 0.4.0
[INFO] tweaked toml for crates.io crate squawk-parser 0.4.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f63b7a70e875d0a6b4315a8fcf67abbb66faccf79490e0ca38c0e3ed64de570
[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" "9f63b7a70e875d0a6b4315a8fcf67abbb66faccf79490e0ca38c0e3ed64de570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f63b7a70e875d0a6b4315a8fcf67abbb66faccf79490e0ca38c0e3ed64de570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f63b7a70e875d0a6b4315a8fcf67abbb66faccf79490e0ca38c0e3ed64de570", kill_on_drop: false }`
[INFO] [stdout] 9f63b7a70e875d0a6b4315a8fcf67abbb66faccf79490e0ca38c0e3ed64de570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6945a02f5d47296482f76a6333ceebe24723d93987732ab27e21c98ea81a283
[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" "a6945a02f5d47296482f76a6333ceebe24723d93987732ab27e21c98ea81a283", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]    Compiling libpg_query-sys v0.1.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking insta v0.16.1
[INFO] [stderr]     Checking squawk-parser v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 41s
[INFO] running `Command { std: "docker" "inspect" "a6945a02f5d47296482f76a6333ceebe24723d93987732ab27e21c98ea81a283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6945a02f5d47296482f76a6333ceebe24723d93987732ab27e21c98ea81a283", kill_on_drop: false }`
[INFO] [stdout] a6945a02f5d47296482f76a6333ceebe24723d93987732ab27e21c98ea81a283