[INFO] cloning repository https://github.com/tlsnotary/arbitrary-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tlsnotary/arbitrary-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlsnotary%2Farbitrary-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlsnotary%2Farbitrary-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e33b0acabc91efafccb24f78547cb71db22da876
[INFO] testing tlsnotary/arbitrary-test against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlsnotary%2Farbitrary-test" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tlsnotary/arbitrary-test
[INFO] finished tweaking git repo https://github.com/tlsnotary/arbitrary-test
[INFO] tweaked toml for git repo https://github.com/tlsnotary/arbitrary-test written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tlsnotary/arbitrary-test on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tlsnotary/arbitrary-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing tlsnotary/arbitrary-test against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlsnotary%2Farbitrary-test" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tlsnotary/arbitrary-test
[INFO] finished tweaking git repo https://github.com/tlsnotary/arbitrary-test
[INFO] tweaked toml for git repo https://github.com/tlsnotary/arbitrary-test written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tlsnotary/arbitrary-test on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tlsnotary/arbitrary-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.66
[INFO] [stderr]   Downloaded derive_arbitrary v1.3.1
[INFO] [stderr]   Downloaded arbitrary v1.3.0
[INFO] [stderr]   Downloaded syn v2.0.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 093a741b82420c9a9f4820144474758ba0284ec77faa27c25bd5a253c417d6ff
[INFO] running `Command { std: "docker" "start" "-a" "093a741b82420c9a9f4820144474758ba0284ec77faa27c25bd5a253c417d6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "093a741b82420c9a9f4820144474758ba0284ec77faa27c25bd5a253c417d6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093a741b82420c9a9f4820144474758ba0284ec77faa27c25bd5a253c417d6ff", kill_on_drop: false }`
[INFO] [stdout] 093a741b82420c9a9f4820144474758ba0284ec77faa27c25bd5a253c417d6ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d05e9d2c261764655d06ff1f250e022354fb198b7ed062558efec722d3b5d11
[INFO] running `Command { std: "docker" "start" "-a" "0d05e9d2c261764655d06ff1f250e022354fb198b7ed062558efec722d3b5d11", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling derive_arbitrary v1.3.1
[INFO] [stderr]    Compiling arbitrary v1.3.0
[INFO] [stderr]    Compiling arbitrary-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ArbitraryTest` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct ArbitraryTest(u32);
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "0d05e9d2c261764655d06ff1f250e022354fb198b7ed062558efec722d3b5d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d05e9d2c261764655d06ff1f250e022354fb198b7ed062558efec722d3b5d11", kill_on_drop: false }`
[INFO] [stdout] 0d05e9d2c261764655d06ff1f250e022354fb198b7ed062558efec722d3b5d11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0303a169bf19dd049b1c2284d31ab89ea054f203397f3813fc9956caf54a340b
[INFO] running `Command { std: "docker" "start" "-a" "0303a169bf19dd049b1c2284d31ab89ea054f203397f3813fc9956caf54a340b", kill_on_drop: false }`
[INFO] [stdout] warning: struct `ArbitraryTest` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct ArbitraryTest(u32);
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling arbitrary-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "0303a169bf19dd049b1c2284d31ab89ea054f203397f3813fc9956caf54a340b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0303a169bf19dd049b1c2284d31ab89ea054f203397f3813fc9956caf54a340b", kill_on_drop: false }`
[INFO] [stdout] 0303a169bf19dd049b1c2284d31ab89ea054f203397f3813fc9956caf54a340b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 896c0d5c8c8b9108183a7aa5b31110aea8cfc734928e9f70ef90847f69f05976
[INFO] running `Command { std: "docker" "start" "-a" "896c0d5c8c8b9108183a7aa5b31110aea8cfc734928e9f70ef90847f69f05976", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ArbitraryTest` is never constructed
[INFO] [stderr]  --> src/lib.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct ArbitraryTest(u32);
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `arbitrary-test` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arbitrary_test-d556190a8e16fc8e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_arbitrary ... 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] [stderr]    Doc-tests arbitrary_test
[INFO] [stdout] 
[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" "896c0d5c8c8b9108183a7aa5b31110aea8cfc734928e9f70ef90847f69f05976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "896c0d5c8c8b9108183a7aa5b31110aea8cfc734928e9f70ef90847f69f05976", kill_on_drop: false }`
[INFO] [stdout] 896c0d5c8c8b9108183a7aa5b31110aea8cfc734928e9f70ef90847f69f05976