[INFO] fetching crate rtic-core 0.3.1...
[INFO] testing rtic-core-0.3.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate rtic-core 0.3.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rtic-core 0.3.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtic-core 0.3.1
[INFO] finished tweaking crates.io crate rtic-core 0.3.1
[INFO] tweaked toml for crates.io crate rtic-core 0.3.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0c140d8a93a092313cfb3bc5f7a9d34d82450328a82e6f78d1f7cfa2eadb8b3
[INFO] running `Command { std: "docker" "start" "-a" "f0c140d8a93a092313cfb3bc5f7a9d34d82450328a82e6f78d1f7cfa2eadb8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0c140d8a93a092313cfb3bc5f7a9d34d82450328a82e6f78d1f7cfa2eadb8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c140d8a93a092313cfb3bc5f7a9d34d82450328a82e6f78d1f7cfa2eadb8b3", kill_on_drop: false }`
[INFO] [stdout] f0c140d8a93a092313cfb3bc5f7a9d34d82450328a82e6f78d1f7cfa2eadb8b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddbd9e17078b0d2064b1d403c8634d35279f4f449065fb6fcd4c891a6d3593e4
[INFO] running `Command { std: "docker" "start" "-a" "ddbd9e17078b0d2064b1d403c8634d35279f4f449065fb6fcd4c891a6d3593e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtic-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "ddbd9e17078b0d2064b1d403c8634d35279f4f449065fb6fcd4c891a6d3593e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddbd9e17078b0d2064b1d403c8634d35279f4f449065fb6fcd4c891a6d3593e4", kill_on_drop: false }`
[INFO] [stdout] ddbd9e17078b0d2064b1d403c8634d35279f4f449065fb6fcd4c891a6d3593e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8646ca0d067c6aa92a8a8b49f129b333dc7b41e452cfcfb5f2197808edbdf027
[INFO] running `Command { std: "docker" "start" "-a" "8646ca0d067c6aa92a8a8b49f129b333dc7b41e452cfcfb5f2197808edbdf027", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtic-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "8646ca0d067c6aa92a8a8b49f129b333dc7b41e452cfcfb5f2197808edbdf027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8646ca0d067c6aa92a8a8b49f129b333dc7b41e452cfcfb5f2197808edbdf027", kill_on_drop: false }`
[INFO] [stdout] 8646ca0d067c6aa92a8a8b49f129b333dc7b41e452cfcfb5f2197808edbdf027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95f2224356ced9de5e98aede7331671de29e3e77b5aafbc4fb78840d9e59fe51
[INFO] running `Command { std: "docker" "start" "-a" "95f2224356ced9de5e98aede7331671de29e3e77b5aafbc4fb78840d9e59fe51", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rtic_core-f46f32bc259816bf)
[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] [stderr]    Doc-tests rtic-core
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - prelude (line 77) ... FAILED
[INFO] [stdout] test src/lib.rs - prelude (line 100) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - prelude (line 77) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `mutex_trait`?
[INFO] [stdout]  --> src/lib.rs:78:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mutex_trait::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^ maybe a missing crate `mutex_trait`?
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Mutex` in this scope
[INFO] [stdout]  --> src/lib.rs:81:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     a: &mut impl Mutex<T = i32>,
[INFO] [stdout]   |                  ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Mutex` in this scope
[INFO] [stdout]  --> src/lib.rs:82:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     b: &mut impl Mutex<T = i32>,
[INFO] [stdout]   |                  ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Mutex` in this scope
[INFO] [stdout]  --> src/lib.rs:83:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |     c: &mut impl Mutex<T = i32>
[INFO] [stdout]   |                  ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - prelude (line 100) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `mutex_trait`?
[INFO] [stdout]  --> src/lib.rs:101:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mutex_trait::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^ maybe a missing crate `mutex_trait`?
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Mutex` in this scope
[INFO] [stdout]  --> src/lib.rs:104:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     a: &mut impl Mutex<T = i32>,
[INFO] [stdout]   |                  ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Mutex` in this scope
[INFO] [stdout]  --> src/lib.rs:105:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     b: &mut impl Mutex<T = i32>,
[INFO] [stdout]   |                  ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Mutex` in this scope
[INFO] [stdout]  --> src/lib.rs:106:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |     c: &mut impl Mutex<T = i32>
[INFO] [stdout]   |                  ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - prelude (line 100)
[INFO] [stdout]     src/lib.rs - prelude (line 77)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "95f2224356ced9de5e98aede7331671de29e3e77b5aafbc4fb78840d9e59fe51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f2224356ced9de5e98aede7331671de29e3e77b5aafbc4fb78840d9e59fe51", kill_on_drop: false }`
[INFO] [stdout] 95f2224356ced9de5e98aede7331671de29e3e77b5aafbc4fb78840d9e59fe51