[INFO] fetching crate braincats 0.1.3...
[INFO] checking braincats-0.1.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate braincats 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate braincats 0.1.3
[INFO] finished tweaking crates.io crate braincats 0.1.3
[INFO] tweaked toml for crates.io crate braincats 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate braincats 0.1.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate braincats 0.1.3 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49e79a2d019f93408d79259fc6e25ab4616ddc0b582e36e7726624bf699f561a
[INFO] running `Command { std: "docker" "start" "-a" "49e79a2d019f93408d79259fc6e25ab4616ddc0b582e36e7726624bf699f561a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e79a2d019f93408d79259fc6e25ab4616ddc0b582e36e7726624bf699f561a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e79a2d019f93408d79259fc6e25ab4616ddc0b582e36e7726624bf699f561a", kill_on_drop: false }`
[INFO] [stdout] 49e79a2d019f93408d79259fc6e25ab4616ddc0b582e36e7726624bf699f561a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db6c5c1b818c8f1609113628709c08878a7fbdc60bcf6f6306db5da252a071cd
[INFO] running `Command { std: "docker" "start" "-a" "db6c5c1b818c8f1609113628709c08878a7fbdc60bcf6f6306db5da252a071cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling assert_cmd v2.0.16
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking braincats v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bstr v1.11.3
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.88s
[INFO] running `Command { std: "docker" "inspect" "db6c5c1b818c8f1609113628709c08878a7fbdc60bcf6f6306db5da252a071cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6c5c1b818c8f1609113628709c08878a7fbdc60bcf6f6306db5da252a071cd", kill_on_drop: false }`
[INFO] [stdout] db6c5c1b818c8f1609113628709c08878a7fbdc60bcf6f6306db5da252a071cd