[INFO] cloning repository https://github.com/femnad/lhn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/femnad/lhn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Flhn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Flhn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae8caed4087a73f2659c97b13a3bde695140b2eb
[INFO] testing femnad/lhn against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffemnad%2Flhn" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/femnad/lhn on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/femnad/lhn
[INFO] finished tweaking git repo https://github.com/femnad/lhn
[INFO] tweaked toml for git repo https://github.com/femnad/lhn written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/femnad/lhn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.13
[INFO] [stderr]   Downloaded serde_yaml v0.8.14
[INFO] [stderr]   Downloaded cc v1.0.64
[INFO] [stderr]   Downloaded ureq v2.1.1
[INFO] [stderr]   Downloaded ring v0.16.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15abb1ec155780dc12a9bbe2137d7d9b6e91ceb35dd2d494e942d36e01d261ea
[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" "15abb1ec155780dc12a9bbe2137d7d9b6e91ceb35dd2d494e942d36e01d261ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15abb1ec155780dc12a9bbe2137d7d9b6e91ceb35dd2d494e942d36e01d261ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15abb1ec155780dc12a9bbe2137d7d9b6e91ceb35dd2d494e942d36e01d261ea", kill_on_drop: false }`
[INFO] [stdout] 15abb1ec155780dc12a9bbe2137d7d9b6e91ceb35dd2d494e942d36e01d261ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", 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] 2316330c07040b4a133059ebd862304c3971689f1988b9bd2a56d171644d26ea
[INFO] running `Command { std: "docker" "start" "-a" "2316330c07040b4a133059ebd862304c3971689f1988b9bd2a56d171644d26ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling chunked_transfer v1.3.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling cc v1.0.64
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling ring v0.16.16
[INFO] [stderr]    Compiling openssl-sys v0.9.70
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling git2 v0.13.23
[INFO] [stderr]    Compiling ureq v2.1.1
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling lhn v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `reason`
[INFO] [stdout]   --> src/post.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     reason: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 2m 35s
[INFO] running `Command { std: "docker" "inspect" "2316330c07040b4a133059ebd862304c3971689f1988b9bd2a56d171644d26ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2316330c07040b4a133059ebd862304c3971689f1988b9bd2a56d171644d26ea", kill_on_drop: false }`
[INFO] [stdout] 2316330c07040b4a133059ebd862304c3971689f1988b9bd2a56d171644d26ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06de26988183f7be277d447be92642e76972817e03b49d473af3d627c8a50fa1
[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" "06de26988183f7be277d447be92642e76972817e03b49d473af3d627c8a50fa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling lhn v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `reason`
[INFO] [stdout]   --> src/post.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     reason: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06de26988183f7be277d447be92642e76972817e03b49d473af3d627c8a50fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06de26988183f7be277d447be92642e76972817e03b49d473af3d627c8a50fa1", kill_on_drop: false }`
[INFO] [stdout] 06de26988183f7be277d447be92642e76972817e03b49d473af3d627c8a50fa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 37a2dac232b7d11095b7ce9c52f465dd1db01dfa0a9a273917813086f957c2a7
[INFO] running `Command { std: "docker" "start" "-a" "37a2dac232b7d11095b7ce9c52f465dd1db01dfa0a9a273917813086f957c2a7", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `reason`
[INFO] [stderr]   --> src/post.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     reason: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lhn` (bin "lhn" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lhn-9ed1d30cad9e0ad4)
[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" "37a2dac232b7d11095b7ce9c52f465dd1db01dfa0a9a273917813086f957c2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a2dac232b7d11095b7ce9c52f465dd1db01dfa0a9a273917813086f957c2a7", kill_on_drop: false }`
[INFO] [stdout] 37a2dac232b7d11095b7ce9c52f465dd1db01dfa0a9a273917813086f957c2a7