[INFO] fetching crate maelstrom_rs 0.1.0...
[INFO] testing maelstrom_rs-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate maelstrom_rs 0.1.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate maelstrom_rs 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maelstrom_rs 0.1.0
[INFO] finished tweaking crates.io crate maelstrom_rs 0.1.0
[INFO] tweaked toml for crates.io crate maelstrom_rs 0.1.0 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate crates.io crate maelstrom_rs 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa0d80c79b7ad9ad133bc325aa8ec4c55f61e9d6a7e46195369d7464697fbed7
[INFO] running `Command { std: "docker" "start" "-a" "aa0d80c79b7ad9ad133bc325aa8ec4c55f61e9d6a7e46195369d7464697fbed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa0d80c79b7ad9ad133bc325aa8ec4c55f61e9d6a7e46195369d7464697fbed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0d80c79b7ad9ad133bc325aa8ec4c55f61e9d6a7e46195369d7464697fbed7", kill_on_drop: false }`
[INFO] [stdout] aa0d80c79b7ad9ad133bc325aa8ec4c55f61e9d6a7e46195369d7464697fbed7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a6eb989b4ffb9b994aa345a65151efd0c62f1e300d82ec03036a235270c3a46
[INFO] running `Command { std: "docker" "start" "-a" "3a6eb989b4ffb9b994aa345a65151efd0c62f1e300d82ec03036a235270c3a46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling maelstrom_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.87s
[INFO] running `Command { std: "docker" "inspect" "3a6eb989b4ffb9b994aa345a65151efd0c62f1e300d82ec03036a235270c3a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6eb989b4ffb9b994aa345a65151efd0c62f1e300d82ec03036a235270c3a46", kill_on_drop: false }`
[INFO] [stdout] 3a6eb989b4ffb9b994aa345a65151efd0c62f1e300d82ec03036a235270c3a46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3ecc7a6defa4f028740f4efe089d5a4b063ba49bbda1d1fca3dabd6284585c8
[INFO] running `Command { std: "docker" "start" "-a" "e3ecc7a6defa4f028740f4efe089d5a4b063ba49bbda1d1fca3dabd6284585c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling maelstrom_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "e3ecc7a6defa4f028740f4efe089d5a4b063ba49bbda1d1fca3dabd6284585c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ecc7a6defa4f028740f4efe089d5a4b063ba49bbda1d1fca3dabd6284585c8", kill_on_drop: false }`
[INFO] [stdout] e3ecc7a6defa4f028740f4efe089d5a4b063ba49bbda1d1fca3dabd6284585c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65192b67c3651f0287c7c855970854bab08eaec7d8d137e6c2a52d140e227caa
[INFO] running `Command { std: "docker" "start" "-a" "65192b67c3651f0287c7c855970854bab08eaec7d8d137e6c2a52d140e227caa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/maelstrom_rs-df023495eaa9930b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::dummy_actor_works ... ok
[INFO] [stdout] test tests::runtime_accept_actor ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maelstrom_rs
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "65192b67c3651f0287c7c855970854bab08eaec7d8d137e6c2a52d140e227caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65192b67c3651f0287c7c855970854bab08eaec7d8d137e6c2a52d140e227caa", kill_on_drop: false }`
[INFO] [stdout] 65192b67c3651f0287c7c855970854bab08eaec7d8d137e6c2a52d140e227caa