[INFO] fetching crate simple-left-right 0.2.3...
[INFO] testing simple-left-right-0.2.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate simple-left-right 0.2.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate simple-left-right 0.2.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate simple-left-right 0.2.3
[INFO] tweaked toml for crates.io crate simple-left-right 0.2.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-left-right 0.2.3 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 crates.io crate simple-left-right 0.2.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7ed43e2a2d6b2649497c5d8ab61d50cf0085cf9ee4697f1ed22a4b214129480b
[INFO] running `Command { std: "docker" "start" "-a" "7ed43e2a2d6b2649497c5d8ab61d50cf0085cf9ee4697f1ed22a4b214129480b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ed43e2a2d6b2649497c5d8ab61d50cf0085cf9ee4697f1ed22a4b214129480b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed43e2a2d6b2649497c5d8ab61d50cf0085cf9ee4697f1ed22a4b214129480b", kill_on_drop: false }`
[INFO] [stdout] 7ed43e2a2d6b2649497c5d8ab61d50cf0085cf9ee4697f1ed22a4b214129480b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bb4c9a6e324d1164c37dd0d8ff856e3754dbc2a44c97dc0b26bd2c257954679b
[INFO] running `Command { std: "docker" "start" "-a" "bb4c9a6e324d1164c37dd0d8ff856e3754dbc2a44c97dc0b26bd2c257954679b", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-left-right v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "bb4c9a6e324d1164c37dd0d8ff856e3754dbc2a44c97dc0b26bd2c257954679b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4c9a6e324d1164c37dd0d8ff856e3754dbc2a44c97dc0b26bd2c257954679b", kill_on_drop: false }`
[INFO] [stdout] bb4c9a6e324d1164c37dd0d8ff856e3754dbc2a44c97dc0b26bd2c257954679b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9728e113c0c51284edfbbeff119b9837fe1b0dbad8b7c3bea6b434fea3db0b65
[INFO] running `Command { std: "docker" "start" "-a" "9728e113c0c51284edfbbeff119b9837fe1b0dbad8b7c3bea6b434fea3db0b65", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-left-right v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "9728e113c0c51284edfbbeff119b9837fe1b0dbad8b7c3bea6b434fea3db0b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9728e113c0c51284edfbbeff119b9837fe1b0dbad8b7c3bea6b434fea3db0b65", kill_on_drop: false }`
[INFO] [stdout] 9728e113c0c51284edfbbeff119b9837fe1b0dbad8b7c3bea6b434fea3db0b65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bd73c839dd83d197463bb5afc420f0f78e48af030a82ed7123c249de23b70432
[INFO] running `Command { std: "docker" "start" "-a" "bd73c839dd83d197463bb5afc420f0f78e48af030a82ed7123c249de23b70432", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_left_right-8c8cda81bd80abd4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test internal_test::drop_writer ... ok
[INFO] [stdout] test internal_test::drop_reader ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-ad1e13ac34123560)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test usage_test::assert_writeguard_none ... ok
[INFO] [stdout] test usage_test::double_reader ... ok
[INFO] [stdout] test usage_test::default_init ... ok
[INFO] [stdout] test usage_test::break_ref ... ok
[INFO] [stdout] test usage_test::reader_leak ... ok
[INFO] [stdout] test usage_test::reader_rebuild ... ok
[INFO] [stdout] test usage_test::send_writer ... ok
[INFO] [stdout] test usage_test::single_thread ... ok
[INFO] [stdout] test usage_test::write_guard_drop ... ok
[INFO] [stdout] test usage_test::write_try_lock ... ok
[INFO] [stdout] test usage_test::writer_as_ref ... ok
[INFO] [stdout] test usage_test::forget_lock - should panic ... ok
[INFO] [stdout] test usage_test::panic_absorb - should panic ... ok
[INFO] [stdout] test usage_test::panic_default - should panic ... ok
[INFO] [stdout] test usage_test::panic_clone - should panic ... ok
[INFO] [stdout] test usage_test::two_thread_loops ... ok
[INFO] [stdout] test usage_test::block ... ok
[INFO] [stderr]    Doc-tests simple_left_right
[INFO] [stdout] test usage_test::multi_thread ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.06s
[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] running `Command { std: "docker" "inspect" "bd73c839dd83d197463bb5afc420f0f78e48af030a82ed7123c249de23b70432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd73c839dd83d197463bb5afc420f0f78e48af030a82ed7123c249de23b70432", kill_on_drop: false }`
[INFO] [stdout] bd73c839dd83d197463bb5afc420f0f78e48af030a82ed7123c249de23b70432