[INFO] fetching crate cosync 0.2.1...
[INFO] checking cosync-0.2.1 against master#23718020b12d7e5a54f82a19910e8356ee719667 for pr-146013-1
[INFO] extracting crate cosync 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cosync 0.2.1
[INFO] finished tweaking crates.io crate cosync 0.2.1
[INFO] tweaked toml for crates.io crate cosync 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cosync 0.2.1 on toolchain 23718020b12d7e5a54f82a19910e8356ee719667
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "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" "+23718020b12d7e5a54f82a19910e8356ee719667" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_spanned v1.0.0
[INFO] [stderr]   Downloaded toml_writer v1.0.2
[INFO] [stderr]   Downloaded winapi-util v0.1.11
[INFO] [stderr]   Downloaded toml v0.9.5
[INFO] [stderr]   Downloaded windows-link v0.2.0
[INFO] [stderr]   Downloaded toml_datetime v0.7.0
[INFO] [stderr]   Downloaded trybuild v1.0.110
[INFO] [stderr]   Downloaded toml_parser v1.0.2
[INFO] [stderr]   Downloaded target-triple v0.1.4
[INFO] [stderr]   Downloaded serde_json v1.0.143
[INFO] [stderr]   Downloaded windows-sys v0.61.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4888985805e67b97d3921d9de2fabcb6b269eddcd611219ddf63fa7a890b5a0
[INFO] running `Command { std: "docker" "start" "-a" "d4888985805e67b97d3921d9de2fabcb6b269eddcd611219ddf63fa7a890b5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4888985805e67b97d3921d9de2fabcb6b269eddcd611219ddf63fa7a890b5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4888985805e67b97d3921d9de2fabcb6b269eddcd611219ddf63fa7a890b5a0", kill_on_drop: false }`
[INFO] [stdout] d4888985805e67b97d3921d9de2fabcb6b269eddcd611219ddf63fa7a890b5a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b69ab11a804217e186946eb2fd63313ea0eced184702fd5201628fbd5d7afa29
[INFO] running `Command { std: "docker" "start" "-a" "b69ab11a804217e186946eb2fd63313ea0eced184702fd5201628fbd5d7afa29", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking cosync v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `AssertSync` is never used
[INFO] [stdout]    --> src/futures/atomic_waker.rs:149:15
[INFO] [stdout]     |
[INFO] [stdout] 149 |         trait AssertSync: Sync {}
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking toml_parser v1.0.2
[INFO] [stderr]     Checking toml_datetime v0.7.0
[INFO] [stderr]     Checking serde_spanned v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking toml v0.9.5
[INFO] [stderr]     Checking trybuild v1.0.110
[INFO] [stdout] warning: trait `AssertSync` is never used
[INFO] [stdout]    --> src/futures/atomic_waker.rs:149:15
[INFO] [stdout]     |
[INFO] [stdout] 149 |         trait AssertSync: Sync {}
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.63s
[INFO] running `Command { std: "docker" "inspect" "b69ab11a804217e186946eb2fd63313ea0eced184702fd5201628fbd5d7afa29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69ab11a804217e186946eb2fd63313ea0eced184702fd5201628fbd5d7afa29", kill_on_drop: false }`
[INFO] [stdout] b69ab11a804217e186946eb2fd63313ea0eced184702fd5201628fbd5d7afa29