[INFO] cloning repository https://github.com/wfraser/arz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wfraser/arz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Farz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Farz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9acc462ab9b189a2d590c2ce91db36ba95d557d2
[INFO] checking wfraser/arz against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Farz" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wfraser/arz on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wfraser/arz
[INFO] finished tweaking git repo https://github.com/wfraser/arz
[INFO] tweaked toml for git repo https://github.com/wfraser/arz written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/wfraser/arz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28df62a4eb1a07c4eca81855a75ba7a296b1bc6bd32f2b04c1a1ec64a087eda4
[INFO] running `Command { std: "docker" "start" "-a" "28df62a4eb1a07c4eca81855a75ba7a296b1bc6bd32f2b04c1a1ec64a087eda4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28df62a4eb1a07c4eca81855a75ba7a296b1bc6bd32f2b04c1a1ec64a087eda4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28df62a4eb1a07c4eca81855a75ba7a296b1bc6bd32f2b04c1a1ec64a087eda4", kill_on_drop: false }`
[INFO] [stdout] 28df62a4eb1a07c4eca81855a75ba7a296b1bc6bd32f2b04c1a1ec64a087eda4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2b238e4a5dd851290ca12174233b3107333940bc743cfe921e0f0c4e7d13bfd
[INFO] running `Command { std: "docker" "start" "-a" "c2b238e4a5dd851290ca12174233b3107333940bc743cfe921e0f0c4e7d13bfd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking zip v0.5.9
[INFO] [stderr]     Checking arz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.82s
[INFO] running `Command { std: "docker" "inspect" "c2b238e4a5dd851290ca12174233b3107333940bc743cfe921e0f0c4e7d13bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b238e4a5dd851290ca12174233b3107333940bc743cfe921e0f0c4e7d13bfd", kill_on_drop: false }`
[INFO] [stdout] c2b238e4a5dd851290ca12174233b3107333940bc743cfe921e0f0c4e7d13bfd