[INFO] fetching crate secc 0.0.10...
[INFO] testing secc-0.0.10 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate secc 0.0.10 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate secc 0.0.10
[INFO] finished tweaking crates.io crate secc 0.0.10
[INFO] tweaked toml for crates.io crate secc 0.0.10 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate secc 0.0.10 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 475497241b07b7fe36746b16d5758b9a6114be2ba66b11f76fff6af27d817dcf
[INFO] running `Command { std: "docker" "start" "-a" "475497241b07b7fe36746b16d5758b9a6114be2ba66b11f76fff6af27d817dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "475497241b07b7fe36746b16d5758b9a6114be2ba66b11f76fff6af27d817dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475497241b07b7fe36746b16d5758b9a6114be2ba66b11f76fff6af27d817dcf", kill_on_drop: false }`
[INFO] [stdout] 475497241b07b7fe36746b16d5758b9a6114be2ba66b11f76fff6af27d817dcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2783e2bd23cf5c290bd098de2952a50b7804547249aa3c4139b01300a7ffca09
[INFO] running `Command { std: "docker" "start" "-a" "2783e2bd23cf5c290bd098de2952a50b7804547249aa3c4139b01300a7ffca09", kill_on_drop: false }`
[INFO] [stderr]    Compiling secc v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/lib.rs:363:26
[INFO] [stdout]     |
[INFO] [stdout] 363 |                     let (_, result) = condvar.wait_timeout(receive_ptrs, timeout).unwrap();
[INFO] [stdout]     |                          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stdout]     = note: `#[deny(let_underscore_lock)]` (part of `#[deny(let_underscore)]`) on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 363 |                     let (_unused, result) = condvar.wait_timeout(receive_ptrs, timeout).unwrap();
[INFO] [stdout]     |                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/lib.rs:563:26
[INFO] [stdout]     |
[INFO] [stdout] 563 |                     let (_, result) = condvar.wait_timeout(send_ptrs, timeout).unwrap();
[INFO] [stdout]     |                          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 563 |                     let (_unused, result) = condvar.wait_timeout(send_ptrs, timeout).unwrap();
[INFO] [stdout]     |                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `secc` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2783e2bd23cf5c290bd098de2952a50b7804547249aa3c4139b01300a7ffca09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2783e2bd23cf5c290bd098de2952a50b7804547249aa3c4139b01300a7ffca09", kill_on_drop: false }`
[INFO] [stdout] 2783e2bd23cf5c290bd098de2952a50b7804547249aa3c4139b01300a7ffca09