[INFO] fetching crate shm_ring 0.3.4...
[INFO] testing shm_ring-0.3.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate shm_ring 0.3.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate shm_ring 0.3.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate shm_ring 0.3.4
[INFO] tweaked toml for crates.io crate shm_ring 0.3.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shm_ring 0.3.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 19fcb5398172512ba372f919a7c82d8c26b9b6ba663c24449046c1fa4b852f47
[INFO] running `Command { std: "docker" "start" "-a" "19fcb5398172512ba372f919a7c82d8c26b9b6ba663c24449046c1fa4b852f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19fcb5398172512ba372f919a7c82d8c26b9b6ba663c24449046c1fa4b852f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19fcb5398172512ba372f919a7c82d8c26b9b6ba663c24449046c1fa4b852f47", kill_on_drop: false }`
[INFO] [stdout] 19fcb5398172512ba372f919a7c82d8c26b9b6ba663c24449046c1fa4b852f47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 530d52d928386383c1b00c192c569a1ef5f864af38d835b3a2e3a6e23b62bac6
[INFO] running `Command { std: "docker" "start" "-a" "530d52d928386383c1b00c192c569a1ef5f864af38d835b3a2e3a6e23b62bac6", kill_on_drop: false }`
[INFO] [stderr]    Compiling shm_ring v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "530d52d928386383c1b00c192c569a1ef5f864af38d835b3a2e3a6e23b62bac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530d52d928386383c1b00c192c569a1ef5f864af38d835b3a2e3a6e23b62bac6", kill_on_drop: false }`
[INFO] [stdout] 530d52d928386383c1b00c192c569a1ef5f864af38d835b3a2e3a6e23b62bac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b9e65b6efc04da5e3080a33bb2651057b789ecf18abb0506c60399e466ee6ada
[INFO] running `Command { std: "docker" "start" "-a" "b9e65b6efc04da5e3080a33bb2651057b789ecf18abb0506c60399e466ee6ada", kill_on_drop: false }`
[INFO] [stderr]    Compiling shm_ring v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "b9e65b6efc04da5e3080a33bb2651057b789ecf18abb0506c60399e466ee6ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e65b6efc04da5e3080a33bb2651057b789ecf18abb0506c60399e466ee6ada", kill_on_drop: false }`
[INFO] [stdout] b9e65b6efc04da5e3080a33bb2651057b789ecf18abb0506c60399e466ee6ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d3a4397a21b369eb6efde2d255dba18b149239b2d250133aa99b142c4e0e86b5
[INFO] running `Command { std: "docker" "start" "-a" "d3a4397a21b369eb6efde2d255dba18b149239b2d250133aa99b142c4e0e86b5", 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/shm_ring-36bc165251a80587)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/drain_and_fill_tests.rs (/opt/rustwide/target/debug/deps/drain_and_fill_tests-3e005e42c596214c)
[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 8 tests
[INFO] [stdout] test drain_and_fill_tests::one_part_no_wrap ... ok
[INFO] [stdout] test drain_and_fill_tests::two_parts_no_wrap ... ok
[INFO] [stdout] test drain_and_fill_tests::multiple_msgs_will_fit ... ok
[INFO] [stdout] test drain_and_fill_tests::one_part_wrap ... ok
[INFO] [stdout] test drain_and_fill_tests::writer_is_full ... ok
[INFO] [stdout] test drain_and_fill_tests::two_parts_second_part_wraps ... ok
[INFO] [stdout] test drain_and_fill_tests::reader_is_empty ... ok
[INFO] [stdout] test drain_and_fill_tests::two_parts_first_part_wraps ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-ff781f814cd7135e)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_empty_msg ... ok
[INFO] [stdout] test tests::test_happy_wrap ... ok
[INFO] [stdout] test tests::test_is_empty_fn ... ok
[INFO] [stdout] test tests::test_extra_sad_wrap ... ok
[INFO] [stdout] test tests::test_push_pop_twice_ring_buffer ... ok
[INFO] [stdout] test tests::test_push_msg_when_full ... ok
[INFO] [stdout] test tests::test_push_push_full_pop_pop ... ok
[INFO] [stdout] test tests::test_pop_msg_when_empty ... ok
[INFO] [stdout] test tests::test_sad_wrap ... ok
[INFO] [stdout] test tests::test_is_full_fn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shm_ring
[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" "d3a4397a21b369eb6efde2d255dba18b149239b2d250133aa99b142c4e0e86b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a4397a21b369eb6efde2d255dba18b149239b2d250133aa99b142c4e0e86b5", kill_on_drop: false }`
[INFO] [stdout] d3a4397a21b369eb6efde2d255dba18b149239b2d250133aa99b142c4e0e86b5