[INFO] fetching crate synctools 0.2.0...
[INFO] testing synctools-0.2.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate synctools 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate synctools 0.2.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10f894701be95f2b36a44e54d6c821539f5eeed28b61c907fba150f6d96108e1
[INFO] running `Command { std: "docker" "start" "-a" "10f894701be95f2b36a44e54d6c821539f5eeed28b61c907fba150f6d96108e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10f894701be95f2b36a44e54d6c821539f5eeed28b61c907fba150f6d96108e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f894701be95f2b36a44e54d6c821539f5eeed28b61c907fba150f6d96108e1", kill_on_drop: false }`
[INFO] [stdout] 10f894701be95f2b36a44e54d6c821539f5eeed28b61c907fba150f6d96108e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c002ccdeefe6e8b5da7023ca8087f3fdb444379e320fdd79d36d1c0483738af4
[INFO] running `Command { std: "docker" "start" "-a" "c002ccdeefe6e8b5da7023ca8087f3fdb444379e320fdd79d36d1c0483738af4", kill_on_drop: false }`
[INFO] [stderr]    Compiling synctools v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "c002ccdeefe6e8b5da7023ca8087f3fdb444379e320fdd79d36d1c0483738af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c002ccdeefe6e8b5da7023ca8087f3fdb444379e320fdd79d36d1c0483738af4", kill_on_drop: false }`
[INFO] [stdout] c002ccdeefe6e8b5da7023ca8087f3fdb444379e320fdd79d36d1c0483738af4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04d8585f496c0b8e253145bf65a6409693728d47a0c9162acd306d4ace7f285c
[INFO] running `Command { std: "docker" "start" "-a" "04d8585f496c0b8e253145bf65a6409693728d47a0c9162acd306d4ace7f285c", 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 0.62s
[INFO] running `Command { std: "docker" "inspect" "04d8585f496c0b8e253145bf65a6409693728d47a0c9162acd306d4ace7f285c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d8585f496c0b8e253145bf65a6409693728d47a0c9162acd306d4ace7f285c", kill_on_drop: false }`
[INFO] [stdout] 04d8585f496c0b8e253145bf65a6409693728d47a0c9162acd306d4ace7f285c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 050ac1d115fab2015796b70f7e97cf430c1f17eab1ae99e96ab649bb1048be18
[INFO] running `Command { std: "docker" "start" "-a" "050ac1d115fab2015796b70f7e97cf430c1f17eab1ae99e96ab649bb1048be18", 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: `synctools` (lib test) generated 1 warning
[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] [stderr]    Doc-tests synctools
[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 3.07s
[INFO] [stdout] 
[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 6.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "050ac1d115fab2015796b70f7e97cf430c1f17eab1ae99e96ab649bb1048be18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050ac1d115fab2015796b70f7e97cf430c1f17eab1ae99e96ab649bb1048be18", kill_on_drop: false }`
[INFO] [stdout] 050ac1d115fab2015796b70f7e97cf430c1f17eab1ae99e96ab649bb1048be18