[INFO] fetching crate playground 0.1.0...
[INFO] checking playground-0.1.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate playground 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate playground 0.1.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate playground 0.1.0
[INFO] finished tweaking crates.io crate playground 0.1.0
[INFO] tweaked toml for crates.io crate playground 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate playground 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8279f9938a3b43f67f63fa40e83e5e501cf247b94d9324f4669bf1159979121f
[INFO] running `Command { std: "docker" "start" "-a" "8279f9938a3b43f67f63fa40e83e5e501cf247b94d9324f4669bf1159979121f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8279f9938a3b43f67f63fa40e83e5e501cf247b94d9324f4669bf1159979121f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8279f9938a3b43f67f63fa40e83e5e501cf247b94d9324f4669bf1159979121f", kill_on_drop: false }`
[INFO] [stdout] 8279f9938a3b43f67f63fa40e83e5e501cf247b94d9324f4669bf1159979121f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ea78e4c7d755f96bef3b374437e7ba07ae45a4ccc352ce33e8b09a0310cbe03
[INFO] running `Command { std: "docker" "start" "-a" "8ea78e4c7d755f96bef3b374437e7ba07ae45a4ccc352ce33e8b09a0310cbe03", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking proc-macro2 v1.0.8
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.34s
[INFO] running `Command { std: "docker" "inspect" "8ea78e4c7d755f96bef3b374437e7ba07ae45a4ccc352ce33e8b09a0310cbe03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea78e4c7d755f96bef3b374437e7ba07ae45a4ccc352ce33e8b09a0310cbe03", kill_on_drop: false }`
[INFO] [stdout] 8ea78e4c7d755f96bef3b374437e7ba07ae45a4ccc352ce33e8b09a0310cbe03