[INFO] fetching crate mp2c 0.1.2...
[INFO] testing mp2c-0.1.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mp2c 0.1.2 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate mp2c 0.1.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mp2c 0.1.2
[INFO] finished tweaking crates.io crate mp2c 0.1.2
[INFO] tweaked toml for crates.io crate mp2c 0.1.2 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f388cd977afbd424add39bec6e88c6ce088b73f929415ed4b6302fece07c0fa8
[INFO] running `Command { std: "docker" "start" "-a" "f388cd977afbd424add39bec6e88c6ce088b73f929415ed4b6302fece07c0fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f388cd977afbd424add39bec6e88c6ce088b73f929415ed4b6302fece07c0fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f388cd977afbd424add39bec6e88c6ce088b73f929415ed4b6302fece07c0fa8", kill_on_drop: false }`
[INFO] [stdout] f388cd977afbd424add39bec6e88c6ce088b73f929415ed4b6302fece07c0fa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d563456112e4e904d32b49306bea04d7276bd2d2ce956b6ee3e606b6f02e554
[INFO] running `Command { std: "docker" "start" "-a" "0d563456112e4e904d32b49306bea04d7276bd2d2ce956b6ee3e606b6f02e554", kill_on_drop: false }`
[INFO] [stderr]    Compiling mp2c v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "0d563456112e4e904d32b49306bea04d7276bd2d2ce956b6ee3e606b6f02e554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d563456112e4e904d32b49306bea04d7276bd2d2ce956b6ee3e606b6f02e554", kill_on_drop: false }`
[INFO] [stdout] 0d563456112e4e904d32b49306bea04d7276bd2d2ce956b6ee3e606b6f02e554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e326fbf0d2da5e30e0e718b8325a2b6a0928e89cf16ba773150c9cc7e9b3d1ef
[INFO] running `Command { std: "docker" "start" "-a" "e326fbf0d2da5e30e0e718b8325a2b6a0928e89cf16ba773150c9cc7e9b3d1ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mp2c v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "e326fbf0d2da5e30e0e718b8325a2b6a0928e89cf16ba773150c9cc7e9b3d1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e326fbf0d2da5e30e0e718b8325a2b6a0928e89cf16ba773150c9cc7e9b3d1ef", kill_on_drop: false }`
[INFO] [stdout] e326fbf0d2da5e30e0e718b8325a2b6a0928e89cf16ba773150c9cc7e9b3d1ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02e2c6c2078b44b58aa0b186ed1565d3753e3021fee2d1c93a5dd98f1bce9114
[INFO] running `Command { std: "docker" "start" "-a" "02e2c6c2078b44b58aa0b186ed1565d3753e3021fee2d1c93a5dd98f1bce9114", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mp2c-5215ef1b3094080f)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test asynch::tests::multi_producer ... ok
[INFO] [stderr]    Doc-tests mp2c
[INFO] [stdout] test asynch::tests::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/asynch.rs - asynch::Carousel (line 128) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02e2c6c2078b44b58aa0b186ed1565d3753e3021fee2d1c93a5dd98f1bce9114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e2c6c2078b44b58aa0b186ed1565d3753e3021fee2d1c93a5dd98f1bce9114", kill_on_drop: false }`
[INFO] [stdout] 02e2c6c2078b44b58aa0b186ed1565d3753e3021fee2d1c93a5dd98f1bce9114