[INFO] fetching crate matrix_display 1.0.0...
[INFO] checking matrix_display-1.0.0 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate matrix_display 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate matrix_display 1.0.0 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrix_display 1.0.0
[INFO] finished tweaking crates.io crate matrix_display 1.0.0
[INFO] tweaked toml for crates.io crate matrix_display 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9e1ba8f8033b8eb0eec3a24041ca34ce0cd4b8f923bbd08928be92e9a4e1d6a
[INFO] running `Command { std: "docker" "start" "-a" "f9e1ba8f8033b8eb0eec3a24041ca34ce0cd4b8f923bbd08928be92e9a4e1d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9e1ba8f8033b8eb0eec3a24041ca34ce0cd4b8f923bbd08928be92e9a4e1d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e1ba8f8033b8eb0eec3a24041ca34ce0cd4b8f923bbd08928be92e9a4e1d6a", kill_on_drop: false }`
[INFO] [stdout] f9e1ba8f8033b8eb0eec3a24041ca34ce0cd4b8f923bbd08928be92e9a4e1d6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14e2650aface237f88de71366c5e5fc429dbc608022998955670baafa0dfea1b
[INFO] running `Command { std: "docker" "start" "-a" "14e2650aface237f88de71366c5e5fc429dbc608022998955670baafa0dfea1b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking string_morph v0.1.0
[INFO] [stderr]     Checking unicode_types v0.2.0
[INFO] [stderr]     Checking matrix_display v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.69s
[INFO] running `Command { std: "docker" "inspect" "14e2650aface237f88de71366c5e5fc429dbc608022998955670baafa0dfea1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e2650aface237f88de71366c5e5fc429dbc608022998955670baafa0dfea1b", kill_on_drop: false }`
[INFO] [stdout] 14e2650aface237f88de71366c5e5fc429dbc608022998955670baafa0dfea1b