[INFO] fetching crate collatz_rust 0.2.0...
[INFO] checking collatz_rust-0.2.0 against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] extracting crate collatz_rust 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate collatz_rust 0.2.0
[INFO] finished tweaking crates.io crate collatz_rust 0.2.0
[INFO] tweaked toml for crates.io crate collatz_rust 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate collatz_rust 0.2.0 on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate collatz_rust 0.2.0 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f4e416b52b99273dda29fb0150e44f4f4fb1b890e3711b1e71bf9318b853b89
[INFO] running `Command { std: "docker" "start" "-a" "9f4e416b52b99273dda29fb0150e44f4f4fb1b890e3711b1e71bf9318b853b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f4e416b52b99273dda29fb0150e44f4f4fb1b890e3711b1e71bf9318b853b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4e416b52b99273dda29fb0150e44f4f4fb1b890e3711b1e71bf9318b853b89", kill_on_drop: false }`
[INFO] [stdout] 9f4e416b52b99273dda29fb0150e44f4f4fb1b890e3711b1e71bf9318b853b89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 504dc3576ac8035e587f2166e044348fea0355fae98d34f8b5a58c76d402b5ac
[INFO] running `Command { std: "docker" "start" "-a" "504dc3576ac8035e587f2166e044348fea0355fae98d34f8b5a58c76d402b5ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling rug v1.26.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking once_cell v1.20.1
[INFO] [stderr]     Checking tempfile v3.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex v1.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking collatz_rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 56s
[INFO] running `Command { std: "docker" "inspect" "504dc3576ac8035e587f2166e044348fea0355fae98d34f8b5a58c76d402b5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504dc3576ac8035e587f2166e044348fea0355fae98d34f8b5a58c76d402b5ac", kill_on_drop: false }`
[INFO] [stdout] 504dc3576ac8035e587f2166e044348fea0355fae98d34f8b5a58c76d402b5ac