[INFO] cloning repository https://github.com/thomassimmer/rust-file-read
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomassimmer/rust-file-read" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomassimmer%2Frust-file-read", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomassimmer%2Frust-file-read'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae1399a8a63791a6fa7e1cd4d69a159b01781956
[INFO] checking thomassimmer/rust-file-read against try#1f308f12738d8cc40bb23bf0c8114b37c164bb49 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomassimmer%2Frust-file-read" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomassimmer/rust-file-read on toolchain 1f308f12738d8cc40bb23bf0c8114b37c164bb49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thomassimmer/rust-file-read
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/thomassimmer/rust-file-read
[INFO] tweaked toml for git repo https://github.com/thomassimmer/rust-file-read written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/thomassimmer/rust-file-read 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" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buffer v0.1.9
[INFO] [stderr]   Downloaded mac v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d0371cb2b54dbece7705ead0f8e2494699a0fcf6fbcae40638eddb74ed4a560
[INFO] running `Command { std: "docker" "start" "-a" "5d0371cb2b54dbece7705ead0f8e2494699a0fcf6fbcae40638eddb74ed4a560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d0371cb2b54dbece7705ead0f8e2494699a0fcf6fbcae40638eddb74ed4a560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d0371cb2b54dbece7705ead0f8e2494699a0fcf6fbcae40638eddb74ed4a560", kill_on_drop: false }`
[INFO] [stdout] 5d0371cb2b54dbece7705ead0f8e2494699a0fcf6fbcae40638eddb74ed4a560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4af649551d85ef7e78f12c32b132ed8d1e43715835d4a8f2137e042a5299adeb
[INFO] running `Command { std: "docker" "start" "-a" "4af649551d85ef7e78f12c32b132ed8d1e43715835d4a8f2137e042a5299adeb", kill_on_drop: false }`
[INFO] [stderr]     Checking mac v0.0.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking buffer v0.1.9
[INFO] [stderr]     Checking rust-file-read v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "4af649551d85ef7e78f12c32b132ed8d1e43715835d4a8f2137e042a5299adeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af649551d85ef7e78f12c32b132ed8d1e43715835d4a8f2137e042a5299adeb", kill_on_drop: false }`
[INFO] [stdout] 4af649551d85ef7e78f12c32b132ed8d1e43715835d4a8f2137e042a5299adeb