[INFO] fetching crate e-write-buffer 0.5.0...
[INFO] checking e-write-buffer-0.5.0 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate e-write-buffer 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate e-write-buffer 0.5.0 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate e-write-buffer 0.5.0
[INFO] finished tweaking crates.io crate e-write-buffer 0.5.0
[INFO] tweaked toml for crates.io crate e-write-buffer 0.5.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1645da000013ca8561d30bab39436b0387615abf4b56a20b68bba7e87a715491
[INFO] running `Command { std: "docker" "start" "-a" "1645da000013ca8561d30bab39436b0387615abf4b56a20b68bba7e87a715491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1645da000013ca8561d30bab39436b0387615abf4b56a20b68bba7e87a715491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1645da000013ca8561d30bab39436b0387615abf4b56a20b68bba7e87a715491", kill_on_drop: false }`
[INFO] [stdout] 1645da000013ca8561d30bab39436b0387615abf4b56a20b68bba7e87a715491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66191c2a7de58516a10df4f6a74c03af235d0cce0598bedeee4dad3313b9c277
[INFO] running `Command { std: "docker" "start" "-a" "66191c2a7de58516a10df4f6a74c03af235d0cce0598bedeee4dad3313b9c277", kill_on_drop: false }`
[INFO] [stderr]     Checking e-write-buffer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "66191c2a7de58516a10df4f6a74c03af235d0cce0598bedeee4dad3313b9c277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66191c2a7de58516a10df4f6a74c03af235d0cce0598bedeee4dad3313b9c277", kill_on_drop: false }`
[INFO] [stdout] 66191c2a7de58516a10df4f6a74c03af235d0cce0598bedeee4dad3313b9c277