[INFO] fetching crate ssh-known-hosts 1.0.0...
[INFO] testing ssh-known-hosts-1.0.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate ssh-known-hosts 1.0.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate ssh-known-hosts 1.0.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-15/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.85
[INFO] [stderr]   Downloaded serde_yaml v0.8.16
[INFO] [stderr]   Downloaded indenter v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acd1d4201d6e7971dcb9376532c7d8c021a1406de3475efbb445fee694e9c851
[INFO] running `Command { std: "docker" "start" "-a" "acd1d4201d6e7971dcb9376532c7d8c021a1406de3475efbb445fee694e9c851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acd1d4201d6e7971dcb9376532c7d8c021a1406de3475efbb445fee694e9c851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd1d4201d6e7971dcb9376532c7d8c021a1406de3475efbb445fee694e9c851", kill_on_drop: false }`
[INFO] [stdout] acd1d4201d6e7971dcb9376532c7d8c021a1406de3475efbb445fee694e9c851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 621d10a4d0913a230f5530bdafd3bae7d8e818f8a103676bb83868cb5ad1d8be
[INFO] running `Command { std: "docker" "start" "-a" "621d10a4d0913a230f5530bdafd3bae7d8e818f8a103676bb83868cb5ad1d8be", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling indenter v0.3.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling env_logger v0.8.2
[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 18.85s
[INFO] running `Command { std: "docker" "inspect" "621d10a4d0913a230f5530bdafd3bae7d8e818f8a103676bb83868cb5ad1d8be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "621d10a4d0913a230f5530bdafd3bae7d8e818f8a103676bb83868cb5ad1d8be", kill_on_drop: false }`
[INFO] [stdout] 621d10a4d0913a230f5530bdafd3bae7d8e818f8a103676bb83868cb5ad1d8be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebec2a77800f12dbe7de5fd19f52ea48d8fab9f65442d4c37d957e72fcf1e2c0
[INFO] running `Command { std: "docker" "start" "-a" "ebec2a77800f12dbe7de5fd19f52ea48d8fab9f65442d4c37d957e72fcf1e2c0", 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 1.80s
[INFO] running `Command { std: "docker" "inspect" "ebec2a77800f12dbe7de5fd19f52ea48d8fab9f65442d4c37d957e72fcf1e2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebec2a77800f12dbe7de5fd19f52ea48d8fab9f65442d4c37d957e72fcf1e2c0", kill_on_drop: false }`
[INFO] [stdout] ebec2a77800f12dbe7de5fd19f52ea48d8fab9f65442d4c37d957e72fcf1e2c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0ff7ef1abda6e8a977114a99ab748c1ea54fae342394ca871d778519c6be4f4
[INFO] running `Command { std: "docker" "start" "-a" "a0ff7ef1abda6e8a977114a99ab748c1ea54fae342394ca871d778519c6be4f4", 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-fc461fc6b065f3cd)
[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" "a0ff7ef1abda6e8a977114a99ab748c1ea54fae342394ca871d778519c6be4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ff7ef1abda6e8a977114a99ab748c1ea54fae342394ca871d778519c6be4f4", kill_on_drop: false }`
[INFO] [stdout] a0ff7ef1abda6e8a977114a99ab748c1ea54fae342394ca871d778519c6be4f4