[INFO] cloning repository https://github.com/mshassium/happy_birthday
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mshassium/happy_birthday" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmshassium%2Fhappy_birthday", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmshassium%2Fhappy_birthday'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6ddb6df528308257725313544e6f3c2af077743
[INFO] testing mshassium/happy_birthday against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmshassium%2Fhappy_birthday" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mshassium/happy_birthday on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mshassium/happy_birthday
[INFO] finished tweaking git repo https://github.com/mshassium/happy_birthday
[INFO] tweaked toml for git repo https://github.com/mshassium/happy_birthday written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/mshassium/happy_birthday already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b292dca8e2f50baa1785c38d9df2b3aa17ef6c60de361bda60a3cc6c4d5da33
[INFO] running `Command { std: "docker" "start" "-a" "9b292dca8e2f50baa1785c38d9df2b3aa17ef6c60de361bda60a3cc6c4d5da33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b292dca8e2f50baa1785c38d9df2b3aa17ef6c60de361bda60a3cc6c4d5da33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b292dca8e2f50baa1785c38d9df2b3aa17ef6c60de361bda60a3cc6c4d5da33", kill_on_drop: false }`
[INFO] [stdout] 9b292dca8e2f50baa1785c38d9df2b3aa17ef6c60de361bda60a3cc6c4d5da33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c74e62e201f78c70b503621d2a35147da33bc57fd44e00c9912454da9a7ca453
[INFO] running `Command { std: "docker" "start" "-a" "c74e62e201f78c70b503621d2a35147da33bc57fd44e00c9912454da9a7ca453", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling happy_birthday v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `answer`
[INFO] [stdout]    --> src/main.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |     let answer: String = read!();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_answer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.74s
[INFO] running `Command { std: "docker" "inspect" "c74e62e201f78c70b503621d2a35147da33bc57fd44e00c9912454da9a7ca453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c74e62e201f78c70b503621d2a35147da33bc57fd44e00c9912454da9a7ca453", kill_on_drop: false }`
[INFO] [stdout] c74e62e201f78c70b503621d2a35147da33bc57fd44e00c9912454da9a7ca453
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ebaebd36db3f52eb064076dc028c78b1adfb1c079f3b6b19cb01dbf3e6870ab
[INFO] running `Command { std: "docker" "start" "-a" "8ebaebd36db3f52eb064076dc028c78b1adfb1c079f3b6b19cb01dbf3e6870ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling happy_birthday v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `answer`
[INFO] [stdout]    --> src/main.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |     let answer: String = read!();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_answer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "8ebaebd36db3f52eb064076dc028c78b1adfb1c079f3b6b19cb01dbf3e6870ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ebaebd36db3f52eb064076dc028c78b1adfb1c079f3b6b19cb01dbf3e6870ab", kill_on_drop: false }`
[INFO] [stdout] 8ebaebd36db3f52eb064076dc028c78b1adfb1c079f3b6b19cb01dbf3e6870ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0f52a4cd21da613e00c6a8767fd451b55d451a2e7a73babfe8652d2cff71463
[INFO] running `Command { std: "docker" "start" "-a" "d0f52a4cd21da613e00c6a8767fd451b55d451a2e7a73babfe8652d2cff71463", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `answer`
[INFO] [stderr]    --> src/main.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |     let answer: String = read!();
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_answer`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `happy_birthday` (bin "happy_birthday" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/happy_birthday-f17db4c53b4b3310)
[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" "d0f52a4cd21da613e00c6a8767fd451b55d451a2e7a73babfe8652d2cff71463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f52a4cd21da613e00c6a8767fd451b55d451a2e7a73babfe8652d2cff71463", kill_on_drop: false }`
[INFO] [stdout] d0f52a4cd21da613e00c6a8767fd451b55d451a2e7a73babfe8652d2cff71463