[INFO] fetching crate collatz_conjecture 0.1.2...
[INFO] testing collatz_conjecture-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate collatz_conjecture 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate collatz_conjecture 0.1.2
[INFO] finished tweaking crates.io crate collatz_conjecture 0.1.2
[INFO] tweaked toml for crates.io crate collatz_conjecture 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate collatz_conjecture 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate collatz_conjecture 0.1.2 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87bc80b82faca5dabcab94ad0a518970caf93a13a9cd0ede4b22114f0fcc2658
[INFO] running `Command { std: "docker" "start" "-a" "87bc80b82faca5dabcab94ad0a518970caf93a13a9cd0ede4b22114f0fcc2658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87bc80b82faca5dabcab94ad0a518970caf93a13a9cd0ede4b22114f0fcc2658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87bc80b82faca5dabcab94ad0a518970caf93a13a9cd0ede4b22114f0fcc2658", kill_on_drop: false }`
[INFO] [stdout] 87bc80b82faca5dabcab94ad0a518970caf93a13a9cd0ede4b22114f0fcc2658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24206b76990ff1b83b3eb77c67b52dc6ed125f91ae822ab98c3977f4c93f41a2
[INFO] running `Command { std: "docker" "start" "-a" "24206b76990ff1b83b3eb77c67b52dc6ed125f91ae822ab98c3977f4c93f41a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_io v0.1.9
[INFO] [stderr]    Compiling collatz_conjecture v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "24206b76990ff1b83b3eb77c67b52dc6ed125f91ae822ab98c3977f4c93f41a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24206b76990ff1b83b3eb77c67b52dc6ed125f91ae822ab98c3977f4c93f41a2", kill_on_drop: false }`
[INFO] [stdout] 24206b76990ff1b83b3eb77c67b52dc6ed125f91ae822ab98c3977f4c93f41a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6160bce75f8f4ccc435a313600f1ed53f81c94d9c68076bfd89833ca5c8fedfc
[INFO] running `Command { std: "docker" "start" "-a" "6160bce75f8f4ccc435a313600f1ed53f81c94d9c68076bfd89833ca5c8fedfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz_conjecture v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "6160bce75f8f4ccc435a313600f1ed53f81c94d9c68076bfd89833ca5c8fedfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6160bce75f8f4ccc435a313600f1ed53f81c94d9c68076bfd89833ca5c8fedfc", kill_on_drop: false }`
[INFO] [stdout] 6160bce75f8f4ccc435a313600f1ed53f81c94d9c68076bfd89833ca5c8fedfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7729461463f4b118214f79f4cc38e929ab3e43c4f5f42a8e1b46a23cbf35712c
[INFO] running `Command { std: "docker" "start" "-a" "7729461463f4b118214f79f4cc38e929ab3e43c4f5f42a8e1b46a23cbf35712c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/collatz_conjecture-ba55594ddc14a3c8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7729461463f4b118214f79f4cc38e929ab3e43c4f5f42a8e1b46a23cbf35712c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7729461463f4b118214f79f4cc38e929ab3e43c4f5f42a8e1b46a23cbf35712c", kill_on_drop: false }`
[INFO] [stdout] 7729461463f4b118214f79f4cc38e929ab3e43c4f5f42a8e1b46a23cbf35712c