[INFO] fetching crate synctools 0.2.0...
[INFO] testing synctools-0.2.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate synctools 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate synctools 0.2.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synctools 0.2.0
[INFO] finished tweaking crates.io crate synctools 0.2.0
[INFO] tweaked toml for crates.io crate synctools 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f22183dcebfff260140148bed6b2d2f9fd9519b135b24f568f2b5061e9f38e9
[INFO] running `Command { std: "docker" "start" "-a" "8f22183dcebfff260140148bed6b2d2f9fd9519b135b24f568f2b5061e9f38e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f22183dcebfff260140148bed6b2d2f9fd9519b135b24f568f2b5061e9f38e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f22183dcebfff260140148bed6b2d2f9fd9519b135b24f568f2b5061e9f38e9", kill_on_drop: false }`
[INFO] [stdout] 8f22183dcebfff260140148bed6b2d2f9fd9519b135b24f568f2b5061e9f38e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8140884590115626c0f2cd5ca1e641e83d44ae7888bcf051cf9b4550df4ae48
[INFO] running `Command { std: "docker" "start" "-a" "e8140884590115626c0f2cd5ca1e641e83d44ae7888bcf051cf9b4550df4ae48", kill_on_drop: false }`
[INFO] [stderr]    Compiling synctools v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "e8140884590115626c0f2cd5ca1e641e83d44ae7888bcf051cf9b4550df4ae48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8140884590115626c0f2cd5ca1e641e83d44ae7888bcf051cf9b4550df4ae48", kill_on_drop: false }`
[INFO] [stdout] e8140884590115626c0f2cd5ca1e641e83d44ae7888bcf051cf9b4550df4ae48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a85c8d8355b4e546404d818e554a6b7b1210350256f6c63e48e1d0997548fdef
[INFO] running `Command { std: "docker" "start" "-a" "a85c8d8355b4e546404d818e554a6b7b1210350256f6c63e48e1d0997548fdef", kill_on_drop: false }`
[INFO] [stderr]    Compiling synctools v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mcs::MCSLock`
[INFO] [stdout]    --> src/lib.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     use mcs::MCSLock;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` 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 0.68s
[INFO] running `Command { std: "docker" "inspect" "a85c8d8355b4e546404d818e554a6b7b1210350256f6c63e48e1d0997548fdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a85c8d8355b4e546404d818e554a6b7b1210350256f6c63e48e1d0997548fdef", kill_on_drop: false }`
[INFO] [stdout] a85c8d8355b4e546404d818e554a6b7b1210350256f6c63e48e1d0997548fdef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 234282ffa172e114134cff5dbe8b40b97e2c4d1e99b32a50cf4babb4406a3497
[INFO] running `Command { std: "docker" "start" "-a" "234282ffa172e114134cff5dbe8b40b97e2c4d1e99b32a50cf4babb4406a3497", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `mcs::MCSLock`
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> src/lib.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     use mcs::MCSLock;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/synctools-761e20659f7bc31f)
[INFO] [stdout] test tests::test_rwlock ... ok
[INFO] [stdout] test tests::test_mcs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.50s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synctools
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.96s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "234282ffa172e114134cff5dbe8b40b97e2c4d1e99b32a50cf4babb4406a3497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "234282ffa172e114134cff5dbe8b40b97e2c4d1e99b32a50cf4babb4406a3497", kill_on_drop: false }`
[INFO] [stdout] 234282ffa172e114134cff5dbe8b40b97e2c4d1e99b32a50cf4babb4406a3497