[INFO] cloning repository https://github.com/oxidecomputer/err-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oxidecomputer/err-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxidecomputer%2Ferr-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxidecomputer%2Ferr-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7888013cbea245290c316123e939ee3609cfb322
[INFO] checking oxidecomputer/err-tree against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxidecomputer%2Ferr-tree" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oxidecomputer/err-tree on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/oxidecomputer/err-tree
[INFO] finished tweaking git repo https://github.com/oxidecomputer/err-tree
[INFO] tweaked toml for git repo https://github.com/oxidecomputer/err-tree written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/oxidecomputer/err-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded expectorate v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b8fa4aeea8ee2f4d34cd853c5cc6de863cf81290e1e111ed033444c39bb40f1
[INFO] running `Command { std: "docker" "start" "-a" "8b8fa4aeea8ee2f4d34cd853c5cc6de863cf81290e1e111ed033444c39bb40f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b8fa4aeea8ee2f4d34cd853c5cc6de863cf81290e1e111ed033444c39bb40f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8fa4aeea8ee2f4d34cd853c5cc6de863cf81290e1e111ed033444c39bb40f1", kill_on_drop: false }`
[INFO] [stdout] 8b8fa4aeea8ee2f4d34cd853c5cc6de863cf81290e1e111ed033444c39bb40f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25372d8e68ac8f0a35590f013b747989b02641c604abd15c6f5635fe8385dd24
[INFO] running `Command { std: "docker" "start" "-a" "25372d8e68ac8f0a35590f013b747989b02641c604abd15c6f5635fe8385dd24", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]    Compiling serde v1.0.207
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]    Compiling serde_json v1.0.124
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking similar v2.6.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking newline-converter v0.3.0
[INFO] [stderr]     Checking err-tree v0.1.0 (/opt/rustwide/workdir/crates/err-tree)
[INFO] [stderr]     Checking mishap v0.1.0 (/opt/rustwide/workdir/crates/mishap)
[INFO] [stderr]     Checking expectorate v1.1.0
[INFO] [stderr]     Checking mishap-testdata v0.1.0 (/opt/rustwide/workdir/crates/mishap-testdata)
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.207
[INFO] [stderr]     Checking serde-err-tree v0.1.0 (/opt/rustwide/workdir/crates/serde-err-tree)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.14s
[INFO] running `Command { std: "docker" "inspect" "25372d8e68ac8f0a35590f013b747989b02641c604abd15c6f5635fe8385dd24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25372d8e68ac8f0a35590f013b747989b02641c604abd15c6f5635fe8385dd24", kill_on_drop: false }`
[INFO] [stdout] 25372d8e68ac8f0a35590f013b747989b02641c604abd15c6f5635fe8385dd24