[INFO] fetching crate matrix_display 1.0.0...
[INFO] checking matrix_display-1.0.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate matrix_display 1.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate matrix_display 1.0.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88c21da95f4469cdb7f0c1fc15a1f564f3f581e474de0474d2d69e31354b73eb
[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" "88c21da95f4469cdb7f0c1fc15a1f564f3f581e474de0474d2d69e31354b73eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88c21da95f4469cdb7f0c1fc15a1f564f3f581e474de0474d2d69e31354b73eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c21da95f4469cdb7f0c1fc15a1f564f3f581e474de0474d2d69e31354b73eb", kill_on_drop: false }`
[INFO] [stdout] 88c21da95f4469cdb7f0c1fc15a1f564f3f581e474de0474d2d69e31354b73eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dd0861f10456183b35bf84e6a84aab23368d9780023dcfc8b20b1ed7a2c89c1
[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" "0dd0861f10456183b35bf84e6a84aab23368d9780023dcfc8b20b1ed7a2c89c1", kill_on_drop: false }`
[INFO] [stderr]     Checking string_morph v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[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 29.81s
[INFO] running `Command { std: "docker" "inspect" "0dd0861f10456183b35bf84e6a84aab23368d9780023dcfc8b20b1ed7a2c89c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd0861f10456183b35bf84e6a84aab23368d9780023dcfc8b20b1ed7a2c89c1", kill_on_drop: false }`
[INFO] [stdout] 0dd0861f10456183b35bf84e6a84aab23368d9780023dcfc8b20b1ed7a2c89c1