[INFO] fetching crate bufreaderwriter 0.2.4...
[INFO] checking bufreaderwriter-0.2.4 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate bufreaderwriter 0.2.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bufreaderwriter 0.2.4 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bufreaderwriter 0.2.4
[INFO] finished tweaking crates.io crate bufreaderwriter 0.2.4
[INFO] tweaked toml for crates.io crate bufreaderwriter 0.2.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--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-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3b545cd7eb2b0ca99d6ff3c88c35c2754acc09293d81ab0409db6a6cf71b6ea
[INFO] running `Command { std: "docker" "start" "-a" "d3b545cd7eb2b0ca99d6ff3c88c35c2754acc09293d81ab0409db6a6cf71b6ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3b545cd7eb2b0ca99d6ff3c88c35c2754acc09293d81ab0409db6a6cf71b6ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b545cd7eb2b0ca99d6ff3c88c35c2754acc09293d81ab0409db6a6cf71b6ea", kill_on_drop: false }`
[INFO] [stdout] d3b545cd7eb2b0ca99d6ff3c88c35c2754acc09293d81ab0409db6a6cf71b6ea
[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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb085ea6a9c44754e1be1f3b1112d9b958ef96faacd116d76aace9ce4887bb8b
[INFO] running `Command { std: "docker" "start" "-a" "eb085ea6a9c44754e1be1f3b1112d9b958ef96faacd116d76aace9ce4887bb8b", kill_on_drop: false }`
[INFO] [stderr]     Checking bufreaderwriter v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "eb085ea6a9c44754e1be1f3b1112d9b958ef96faacd116d76aace9ce4887bb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb085ea6a9c44754e1be1f3b1112d9b958ef96faacd116d76aace9ce4887bb8b", kill_on_drop: false }`
[INFO] [stdout] eb085ea6a9c44754e1be1f3b1112d9b958ef96faacd116d76aace9ce4887bb8b
