[INFO] cloning repository https://github.com/Jonwod/tower_of_hanoi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jonwod/tower_of_hanoi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonwod%2Ftower_of_hanoi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonwod%2Ftower_of_hanoi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 909521200ef3e8171d67a6f32c559ed2a8b7f552
[INFO] testing Jonwod/tower_of_hanoi against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonwod%2Ftower_of_hanoi" "/workspace/builds/worker-71/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jonwod/tower_of_hanoi on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jonwod/tower_of_hanoi
[INFO] finished tweaking git repo https://github.com/Jonwod/tower_of_hanoi
[INFO] tweaked toml for git repo https://github.com/Jonwod/tower_of_hanoi written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate git repo https://github.com/Jonwod/tower_of_hanoi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e03880a009bfc209bcb0e191a2a15710282d358c7d1fcfbb2b39b3042ad3de51
[INFO] running `Command { std: "docker" "start" "-a" "e03880a009bfc209bcb0e191a2a15710282d358c7d1fcfbb2b39b3042ad3de51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e03880a009bfc209bcb0e191a2a15710282d358c7d1fcfbb2b39b3042ad3de51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03880a009bfc209bcb0e191a2a15710282d358c7d1fcfbb2b39b3042ad3de51", kill_on_drop: false }`
[INFO] [stdout] e03880a009bfc209bcb0e191a2a15710282d358c7d1fcfbb2b39b3042ad3de51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 189b58130e70b90ca8e6c171d8e99e215fe9451916f950c8f0d3150905131d89
[INFO] running `Command { std: "docker" "start" "-a" "189b58130e70b90ca8e6c171d8e99e215fe9451916f950c8f0d3150905131d89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tower_of_hanoi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "189b58130e70b90ca8e6c171d8e99e215fe9451916f950c8f0d3150905131d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189b58130e70b90ca8e6c171d8e99e215fe9451916f950c8f0d3150905131d89", kill_on_drop: false }`
[INFO] [stdout] 189b58130e70b90ca8e6c171d8e99e215fe9451916f950c8f0d3150905131d89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc6a1adf6f586865f50fddefcc5fc2200a1853cf067e1f163c74e742b54aa858
[INFO] running `Command { std: "docker" "start" "-a" "cc6a1adf6f586865f50fddefcc5fc2200a1853cf067e1f163c74e742b54aa858", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tower_of_hanoi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "cc6a1adf6f586865f50fddefcc5fc2200a1853cf067e1f163c74e742b54aa858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6a1adf6f586865f50fddefcc5fc2200a1853cf067e1f163c74e742b54aa858", kill_on_drop: false }`
[INFO] [stdout] cc6a1adf6f586865f50fddefcc5fc2200a1853cf067e1f163c74e742b54aa858
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdb1b9607033e2a454391fba46b485332a56da6d62402bec27c4cfd3af69a562
[INFO] running `Command { std: "docker" "start" "-a" "fdb1b9607033e2a454391fba46b485332a56da6d62402bec27c4cfd3af69a562", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tower_of_hanoi-23cae48470ac4904)
[INFO] running `Command { std: "docker" "inspect" "fdb1b9607033e2a454391fba46b485332a56da6d62402bec27c4cfd3af69a562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb1b9607033e2a454391fba46b485332a56da6d62402bec27c4cfd3af69a562", kill_on_drop: false }`
[INFO] [stdout] fdb1b9607033e2a454391fba46b485332a56da6d62402bec27c4cfd3af69a562