[INFO] fetching crate message_bus 0.1.0...
[INFO] testing message_bus-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate message_bus 0.1.0 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate message_bus 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate message_bus 0.1.0
[INFO] finished tweaking crates.io crate message_bus 0.1.0
[INFO] tweaked toml for crates.io crate message_bus 0.1.0 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f49466eaf2950a0a23521450f1d20a97af4969a78fc2e19e36b06316af657f75
[INFO] running `Command { std: "docker" "start" "-a" "f49466eaf2950a0a23521450f1d20a97af4969a78fc2e19e36b06316af657f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f49466eaf2950a0a23521450f1d20a97af4969a78fc2e19e36b06316af657f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49466eaf2950a0a23521450f1d20a97af4969a78fc2e19e36b06316af657f75", kill_on_drop: false }`
[INFO] [stdout] f49466eaf2950a0a23521450f1d20a97af4969a78fc2e19e36b06316af657f75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8032e3cc465f91851a67be2e3e18bea633ce3c3e0bf8eb76bea0a5a09cf590f1
[INFO] running `Command { std: "docker" "start" "-a" "8032e3cc465f91851a67be2e3e18bea633ce3c3e0bf8eb76bea0a5a09cf590f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling message_bus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/message_bus.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         self.output_sender.send(v.message).unwrap();;
[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/main.rs:10:68
[INFO] [stdout]    |
[INFO] [stdout] 10 |         bus.sender.send(Message::<i32>::new(i, i as u64)).unwrap();;
[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 1.55s
[INFO] running `Command { std: "docker" "inspect" "8032e3cc465f91851a67be2e3e18bea633ce3c3e0bf8eb76bea0a5a09cf590f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8032e3cc465f91851a67be2e3e18bea633ce3c3e0bf8eb76bea0a5a09cf590f1", kill_on_drop: false }`
[INFO] [stdout] 8032e3cc465f91851a67be2e3e18bea633ce3c3e0bf8eb76bea0a5a09cf590f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=warn" "-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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd6690d6bd976fe1bb5ac94da49bb029ae0727f0a0ee7ed2335a098d0dfa0471
[INFO] running `Command { std: "docker" "start" "-a" "dd6690d6bd976fe1bb5ac94da49bb029ae0727f0a0ee7ed2335a098d0dfa0471", kill_on_drop: false }`
[INFO] [stderr]    Compiling message_bus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/message_bus.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         self.output_sender.send(v.message).unwrap();;
[INFO] [stdout]    |                                                                     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/message_bus.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         self.output_sender.send(v.message).unwrap();;
[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/main.rs:10:68
[INFO] [stdout]    |
[INFO] [stdout] 10 |         bus.sender.send(Message::<i32>::new(i, i as u64)).unwrap();;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "dd6690d6bd976fe1bb5ac94da49bb029ae0727f0a0ee7ed2335a098d0dfa0471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd6690d6bd976fe1bb5ac94da49bb029ae0727f0a0ee7ed2335a098d0dfa0471", kill_on_drop: false }`
[INFO] [stdout] dd6690d6bd976fe1bb5ac94da49bb029ae0727f0a0ee7ed2335a098d0dfa0471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=warn" "-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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 363e47cf322034b01a71eb5abbf15698606df1a4f961f93c5144a98f7822ac84
[INFO] running `Command { std: "docker" "start" "-a" "363e47cf322034b01a71eb5abbf15698606df1a4f961f93c5144a98f7822ac84", kill_on_drop: false }`
[INFO] [stderr]    Compiling message_bus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/message_bus.rs:79:69
[INFO] [stderr]    |
[INFO] [stderr] 79 |                         self.output_sender.send(v.message).unwrap();;
[INFO] [stderr]    |                                                                     ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/message_bus.rs:79:69
[INFO] [stderr]    |
[INFO] [stderr] 79 |                         self.output_sender.send(v.message).unwrap();;
[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/main.rs:10:68
[INFO] [stderr]    |
[INFO] [stderr] 10 |         bus.sender.send(Message::<i32>::new(i, i as u64)).unwrap();;
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/message_bus-5225a858f26b4f20)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test message_bus::check_buffer_index_for_times_is_calculated_correctly ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/message_bus-b4ce5cdf04642733)
[INFO] [stdout] test message_bus::check_messages_are_returned_at_correct_time ... ok
[INFO] [stderr]    Doc-tests message_bus
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[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] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> /opt/rustwide/workdir/src/message_bus.rs:79:69
[INFO] [stderr]    |
[INFO] [stderr] 79 |                         self.output_sender.send(v.message).unwrap();;
[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 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" "363e47cf322034b01a71eb5abbf15698606df1a4f961f93c5144a98f7822ac84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363e47cf322034b01a71eb5abbf15698606df1a4f961f93c5144a98f7822ac84", kill_on_drop: false }`
[INFO] [stdout] 363e47cf322034b01a71eb5abbf15698606df1a4f961f93c5144a98f7822ac84
