[INFO] fetching crate selfstack 0.3.0...
[INFO] testing selfstack-0.3.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate selfstack 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate selfstack 0.3.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate selfstack 0.3.0
[INFO] finished tweaking crates.io crate selfstack 0.3.0
[INFO] tweaked toml for crates.io crate selfstack 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 440d62c406edc62afc6d0b49bf246f808e42a447a4efeb766f92e05d7936191c
[INFO] running `Command { std: "docker" "start" "-a" "440d62c406edc62afc6d0b49bf246f808e42a447a4efeb766f92e05d7936191c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "440d62c406edc62afc6d0b49bf246f808e42a447a4efeb766f92e05d7936191c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440d62c406edc62afc6d0b49bf246f808e42a447a4efeb766f92e05d7936191c", kill_on_drop: false }`
[INFO] [stdout] 440d62c406edc62afc6d0b49bf246f808e42a447a4efeb766f92e05d7936191c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 426be71e9dd1b558b5871c9d2195063bb14c2dd0c51f96119ffe2e80edd49f0b
[INFO] running `Command { std: "docker" "start" "-a" "426be71e9dd1b558b5871c9d2195063bb14c2dd0c51f96119ffe2e80edd49f0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling selfstack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:436:10
[INFO] [stdout]     |
[INFO] [stdout] 436 |         };
[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 dev [unoptimized + debuginfo] target(s) in 14.89s
[INFO] running `Command { std: "docker" "inspect" "426be71e9dd1b558b5871c9d2195063bb14c2dd0c51f96119ffe2e80edd49f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426be71e9dd1b558b5871c9d2195063bb14c2dd0c51f96119ffe2e80edd49f0b", kill_on_drop: false }`
[INFO] [stdout] 426be71e9dd1b558b5871c9d2195063bb14c2dd0c51f96119ffe2e80edd49f0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea8c2f87fe92494ced3c1b6d4688997de04b11bc84765d3f4ecab692f5d562f5
[INFO] running `Command { std: "docker" "start" "-a" "ea8c2f87fe92494ced3c1b6d4688997de04b11bc84765d3f4ecab692f5d562f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling selfstack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:436:10
[INFO] [stdout]     |
[INFO] [stdout] 436 |         };
[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] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:436:10
[INFO] [stdout]     |
[INFO] [stdout] 436 |         };
[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 1.57s
[INFO] running `Command { std: "docker" "inspect" "ea8c2f87fe92494ced3c1b6d4688997de04b11bc84765d3f4ecab692f5d562f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8c2f87fe92494ced3c1b6d4688997de04b11bc84765d3f4ecab692f5d562f5", kill_on_drop: false }`
[INFO] [stdout] ea8c2f87fe92494ced3c1b6d4688997de04b11bc84765d3f4ecab692f5d562f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c30326ff3ba704488248702178749d19f4f15370401eb88958b7b604eae7231
[INFO] running `Command { std: "docker" "start" "-a" "4c30326ff3ba704488248702178749d19f4f15370401eb88958b7b604eae7231", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:436:10
[INFO] [stderr]     |
[INFO] [stderr] 436 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:436:10
[INFO] [stderr]     |
[INFO] [stderr] 436 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/selfstack-b461b0ea5d8435cf)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-a8764f67b4f7f05c)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/test_mut.rs (/opt/rustwide/target/debug/deps/test_mut-dd181c82fc8febc5)
[INFO] [stdout] test test_drop_counts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/test_mut_ref.rs (/opt/rustwide/target/debug/deps/test_mut_ref-32cb2524ec061461)
[INFO] [stdout] test test_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_mutex.rs (/opt/rustwide/target/debug/deps/test_mutex-ba1d4343d1abcf2d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_mut_ref ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests selfstack
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:436:10
[INFO] [stderr]     |
[INFO] [stderr] 436 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - selfstack (line 90) ... ok
[INFO] [stdout] test src/lib.rs - selfstack (line 113) ... ok
[INFO] [stdout] test src/lib.rs - selfstack (line 74) ... ok
[INFO] [stdout] test src/lib.rs - selfstack (line 137) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c30326ff3ba704488248702178749d19f4f15370401eb88958b7b604eae7231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c30326ff3ba704488248702178749d19f4f15370401eb88958b7b604eae7231", kill_on_drop: false }`
[INFO] [stdout] 4c30326ff3ba704488248702178749d19f4f15370401eb88958b7b604eae7231