[INFO] fetching crate collatz_rust 0.2.0...
[INFO] checking collatz_rust-0.2.0 against try#39605810efb1a0d52f955bfba9e4eec7a01d5deb for pr-153692
[INFO] extracting crate collatz_rust 0.2.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate collatz_rust 0.2.0 on toolchain 39605810efb1a0d52f955bfba9e4eec7a01d5deb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "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" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15f6f8814109b3de354130b0b86db9ddbdb396574f032dfcc5ae1637c5cd11f0
[INFO] running `Command { std: "docker" "start" "-a" "15f6f8814109b3de354130b0b86db9ddbdb396574f032dfcc5ae1637c5cd11f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15f6f8814109b3de354130b0b86db9ddbdb396574f032dfcc5ae1637c5cd11f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f6f8814109b3de354130b0b86db9ddbdb396574f032dfcc5ae1637c5cd11f0", kill_on_drop: false }`
[INFO] [stdout] 15f6f8814109b3de354130b0b86db9ddbdb396574f032dfcc5ae1637c5cd11f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b2f6f7c09318f4bc9ad31ac74ded5ff92e58316093f930e2e8cd47f94d99c65
[INFO] running `Command { std: "docker" "start" "-a" "0b2f6f7c09318f4bc9ad31ac74ded5ff92e58316093f930e2e8cd47f94d99c65", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling rug v1.26.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking itoa v1.0.11
[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 fastrand v2.1.1
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tempfile v3.13.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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 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 5m 28s
[INFO] running `Command { std: "docker" "inspect" "0b2f6f7c09318f4bc9ad31ac74ded5ff92e58316093f930e2e8cd47f94d99c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2f6f7c09318f4bc9ad31ac74ded5ff92e58316093f930e2e8cd47f94d99c65", kill_on_drop: false }`
[INFO] [stdout] 0b2f6f7c09318f4bc9ad31ac74ded5ff92e58316093f930e2e8cd47f94d99c65