[INFO] fetching crate ssh-known-hosts 1.0.0...
[INFO] testing ssh-known-hosts-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ssh-known-hosts 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ssh-known-hosts 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssh-known-hosts 1.0.0
[INFO] finished tweaking crates.io crate ssh-known-hosts 1.0.0
[INFO] tweaked toml for crates.io crate ssh-known-hosts 1.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ssh-known-hosts 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bd6225d7d9eaf438facff4580299b453b9a829949e096af1cbecd107e5a2636
[INFO] running `Command { std: "docker" "start" "-a" "3bd6225d7d9eaf438facff4580299b453b9a829949e096af1cbecd107e5a2636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bd6225d7d9eaf438facff4580299b453b9a829949e096af1cbecd107e5a2636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd6225d7d9eaf438facff4580299b453b9a829949e096af1cbecd107e5a2636", kill_on_drop: false }`
[INFO] [stdout] 3bd6225d7d9eaf438facff4580299b453b9a829949e096af1cbecd107e5a2636
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dac10e468ccdedb7550fee63e62907ab1b29ae5e1afbe1eeab02858b4c3e77a
[INFO] running `Command { std: "docker" "start" "-a" "5dac10e468ccdedb7550fee63e62907ab1b29ae5e1afbe1eeab02858b4c3e77a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling indenter v0.3.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling serde_yaml v0.8.16
[INFO] [stderr]    Compiling ssh-known-hosts v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.74s
[INFO] running `Command { std: "docker" "inspect" "5dac10e468ccdedb7550fee63e62907ab1b29ae5e1afbe1eeab02858b4c3e77a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dac10e468ccdedb7550fee63e62907ab1b29ae5e1afbe1eeab02858b4c3e77a", kill_on_drop: false }`
[INFO] [stdout] 5dac10e468ccdedb7550fee63e62907ab1b29ae5e1afbe1eeab02858b4c3e77a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64553278d725ed6e716172557267ee6d8dd920670426d3d7df3e253fe2dd6e4b
[INFO] running `Command { std: "docker" "start" "-a" "64553278d725ed6e716172557267ee6d8dd920670426d3d7df3e253fe2dd6e4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ssh-known-hosts v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/main.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let config = serde_yaml::from_str::<ConfigFile>(config_str)
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[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 2.46s
[INFO] running `Command { std: "docker" "inspect" "64553278d725ed6e716172557267ee6d8dd920670426d3d7df3e253fe2dd6e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64553278d725ed6e716172557267ee6d8dd920670426d3d7df3e253fe2dd6e4b", kill_on_drop: false }`
[INFO] [stdout] 64553278d725ed6e716172557267ee6d8dd920670426d3d7df3e253fe2dd6e4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f989abb75a395b12ef1cfcdc7119b8df488bca3a928624d6d6dbba99a206234
[INFO] running `Command { std: "docker" "start" "-a" "0f989abb75a395b12ef1cfcdc7119b8df488bca3a928624d6d6dbba99a206234", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/main.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let config = serde_yaml::from_str::<ConfigFile>(config_str)
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ssh-known-hosts` (bin "ssh-known-hosts" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ssh_known_hosts-c9818f81385ba00a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::example_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f989abb75a395b12ef1cfcdc7119b8df488bca3a928624d6d6dbba99a206234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f989abb75a395b12ef1cfcdc7119b8df488bca3a928624d6d6dbba99a206234", kill_on_drop: false }`
[INFO] [stdout] 0f989abb75a395b12ef1cfcdc7119b8df488bca3a928624d6d6dbba99a206234