[INFO] cloning repository https://github.com/oldwomanjosiah/ssh-known-hosts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oldwomanjosiah/ssh-known-hosts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foldwomanjosiah%2Fssh-known-hosts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foldwomanjosiah%2Fssh-known-hosts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bfcb36d1c82431b033a007ca2da9016ea47a14c
[INFO] testing oldwomanjosiah/ssh-known-hosts against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foldwomanjosiah%2Fssh-known-hosts" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oldwomanjosiah/ssh-known-hosts 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/oldwomanjosiah/ssh-known-hosts
[INFO] finished tweaking git repo https://github.com/oldwomanjosiah/ssh-known-hosts
[INFO] tweaked toml for git repo https://github.com/oldwomanjosiah/ssh-known-hosts written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/oldwomanjosiah/ssh-known-hosts 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] 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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c4982341251c1dd2c80d318dbf4f923b996b58a10a6b47f94a4791617bc3b4d
[INFO] running `Command { std: "docker" "start" "-a" "5c4982341251c1dd2c80d318dbf4f923b996b58a10a6b47f94a4791617bc3b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c4982341251c1dd2c80d318dbf4f923b996b58a10a6b47f94a4791617bc3b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4982341251c1dd2c80d318dbf4f923b996b58a10a6b47f94a4791617bc3b4d", kill_on_drop: false }`
[INFO] [stdout] 5c4982341251c1dd2c80d318dbf4f923b996b58a10a6b47f94a4791617bc3b4d
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 368b1f454af715b6e2fbc08249c31004b9ceb958b778f5f3c47b29d32e3725f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "368b1f454af715b6e2fbc08249c31004b9ceb958b778f5f3c47b29d32e3725f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[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 regex-syntax v0.6.22
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling indenter v0.3.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.4.3
[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 1m 09s
[INFO] running `Command { std: "docker" "inspect" "368b1f454af715b6e2fbc08249c31004b9ceb958b778f5f3c47b29d32e3725f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368b1f454af715b6e2fbc08249c31004b9ceb958b778f5f3c47b29d32e3725f3", kill_on_drop: false }`
[INFO] [stdout] 368b1f454af715b6e2fbc08249c31004b9ceb958b778f5f3c47b29d32e3725f3
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac077f68d3728d088d1e3d4346f73a0b337ca8d1a17638009bf386602ad593ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac077f68d3728d088d1e3d4346f73a0b337ca8d1a17638009bf386602ad593ba", 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 3.21s
[INFO] running `Command { std: "docker" "inspect" "ac077f68d3728d088d1e3d4346f73a0b337ca8d1a17638009bf386602ad593ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac077f68d3728d088d1e3d4346f73a0b337ca8d1a17638009bf386602ad593ba", kill_on_drop: false }`
[INFO] [stdout] ac077f68d3728d088d1e3d4346f73a0b337ca8d1a17638009bf386602ad593ba
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5617995b97509166b4c1ffccfa44f494b49e0ec0bfa936e10c8b22fec024b7cb
[INFO] running `Command { std: "docker" "start" "-a" "5617995b97509166b4c1ffccfa44f494b49e0ec0bfa936e10c8b22fec024b7cb", 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 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ssh_known_hosts-011861e773251a02)
[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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5617995b97509166b4c1ffccfa44f494b49e0ec0bfa936e10c8b22fec024b7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5617995b97509166b4c1ffccfa44f494b49e0ec0bfa936e10c8b22fec024b7cb", kill_on_drop: false }`
[INFO] [stdout] 5617995b97509166b4c1ffccfa44f494b49e0ec0bfa936e10c8b22fec024b7cb