[INFO] cloning repository https://github.com/dharasim/semiring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dharasim/semiring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdharasim%2Fsemiring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdharasim%2Fsemiring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b11660da3136637ba905de97c8df02e89f75b58
[INFO] testing dharasim/semiring against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdharasim%2Fsemiring" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dharasim/semiring on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dharasim/semiring
[INFO] finished tweaking git repo https://github.com/dharasim/semiring
[INFO] tweaked toml for git repo https://github.com/dharasim/semiring written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/dharasim/semiring already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb2f520f2b5e1131882e590c84e9f514e6a669e205d54f014056393eca4aecfc
[INFO] running `Command { std: "docker" "start" "-a" "bb2f520f2b5e1131882e590c84e9f514e6a669e205d54f014056393eca4aecfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb2f520f2b5e1131882e590c84e9f514e6a669e205d54f014056393eca4aecfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2f520f2b5e1131882e590c84e9f514e6a669e205d54f014056393eca4aecfc", kill_on_drop: false }`
[INFO] [stdout] bb2f520f2b5e1131882e590c84e9f514e6a669e205d54f014056393eca4aecfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a241476b1556c6c55634c1d2e2b5c1cd9a5a253462c9b087ce782314d41b5198
[INFO] running `Command { std: "docker" "start" "-a" "a241476b1556c6c55634c1d2e2b5c1cd9a5a253462c9b087ce782314d41b5198", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling rust_stuff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "a241476b1556c6c55634c1d2e2b5c1cd9a5a253462c9b087ce782314d41b5198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a241476b1556c6c55634c1d2e2b5c1cd9a5a253462c9b087ce782314d41b5198", kill_on_drop: false }`
[INFO] [stdout] a241476b1556c6c55634c1d2e2b5c1cd9a5a253462c9b087ce782314d41b5198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5852c6c48e44b2cb76f22a40f1b8b7bbe017ea41a3d91eb3d28761c82fc717f
[INFO] running `Command { std: "docker" "start" "-a" "a5852c6c48e44b2cb76f22a40f1b8b7bbe017ea41a3d91eb3d28761c82fc717f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_stuff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:147:36
[INFO] [stdout]     |
[INFO] [stdout] 147 |         enum Symbol { Start, Leaf };
[INFO] [stdout]     |                                    ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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 1.34s
[INFO] running `Command { std: "docker" "inspect" "a5852c6c48e44b2cb76f22a40f1b8b7bbe017ea41a3d91eb3d28761c82fc717f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5852c6c48e44b2cb76f22a40f1b8b7bbe017ea41a3d91eb3d28761c82fc717f", kill_on_drop: false }`
[INFO] [stdout] a5852c6c48e44b2cb76f22a40f1b8b7bbe017ea41a3d91eb3d28761c82fc717f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 386823cc67c91ce798bc0f269ac473952a385f6b8ef069d19a6d6e4cceba3d73
[INFO] running `Command { std: "docker" "start" "-a" "386823cc67c91ce798bc0f269ac473952a385f6b8ef069d19a6d6e4cceba3d73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/main.rs:147:36
[INFO] [stderr]     |
[INFO] [stderr] 147 |         enum Symbol { Start, Leaf };
[INFO] [stderr]     |                                    ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_stuff` (bin "rust_stuff" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_stuff-58af936dc1d8fc40)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test parser::test_get2_mut ... ok
[INFO] [stdout] test parser::test_union_with_mut ... ok
[INFO] [stdout] test lazymap::fibo_test ... ok
[INFO] [stdout] test semiring::free::tests::free_semiring ... ok
[INFO] [stdout] test parser::test_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "386823cc67c91ce798bc0f269ac473952a385f6b8ef069d19a6d6e4cceba3d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386823cc67c91ce798bc0f269ac473952a385f6b8ef069d19a6d6e4cceba3d73", kill_on_drop: false }`
[INFO] [stdout] 386823cc67c91ce798bc0f269ac473952a385f6b8ef069d19a6d6e4cceba3d73