[INFO] fetching crate polling 3.3.1...
[INFO] checking polling-3.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate polling 3.3.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate polling 3.3.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polling 3.3.1
[INFO] finished tweaking crates.io crate polling 3.3.1
[INFO] tweaked toml for crates.io crate polling 3.3.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate polling 3.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.52.0
[INFO] [stderr]   Downloaded easy-parallel v3.3.1
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20d387a2f97390f4216070c6e6b9480a47523c486626ee314f7da60ee5d386fb
[INFO] running `Command { std: "docker" "start" "-a" "20d387a2f97390f4216070c6e6b9480a47523c486626ee314f7da60ee5d386fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20d387a2f97390f4216070c6e6b9480a47523c486626ee314f7da60ee5d386fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d387a2f97390f4216070c6e6b9480a47523c486626ee314f7da60ee5d386fb", kill_on_drop: false }`
[INFO] [stdout] 20d387a2f97390f4216070c6e6b9480a47523c486626ee314f7da60ee5d386fb
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 195b7d133eb95e952fe875d4ab0465b56076a6a755b9cf1af924964a0358e21c
[INFO] running `Command { std: "docker" "start" "-a" "195b7d133eb95e952fe875d4ab0465b56076a6a755b9cf1af924964a0358e21c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking easy-parallel v3.3.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking polling v3.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `PollerSealed` is never used
[INFO] [stdout]   --> src/os.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub trait PollerSealed {}
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PollerSealed` is never used
[INFO] [stdout]   --> src/os.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub trait PollerSealed {}
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `Command { std: "docker" "inspect" "195b7d133eb95e952fe875d4ab0465b56076a6a755b9cf1af924964a0358e21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195b7d133eb95e952fe875d4ab0465b56076a6a755b9cf1af924964a0358e21c", kill_on_drop: false }`
[INFO] [stdout] 195b7d133eb95e952fe875d4ab0465b56076a6a755b9cf1af924964a0358e21c
[INFO] checking polling-3.3.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate polling 3.3.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate polling 3.3.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polling 3.3.1
[INFO] finished tweaking crates.io crate polling 3.3.1
[INFO] tweaked toml for crates.io crate polling 3.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate polling 3.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fa4a2e4eff528d04423107a3268b319b41fe8d4e6ac6b09f159b0c82ee8dfd6
[INFO] running `Command { std: "docker" "start" "-a" "2fa4a2e4eff528d04423107a3268b319b41fe8d4e6ac6b09f159b0c82ee8dfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fa4a2e4eff528d04423107a3268b319b41fe8d4e6ac6b09f159b0c82ee8dfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa4a2e4eff528d04423107a3268b319b41fe8d4e6ac6b09f159b0c82ee8dfd6", kill_on_drop: false }`
[INFO] [stdout] 2fa4a2e4eff528d04423107a3268b319b41fe8d4e6ac6b09f159b0c82ee8dfd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81aebd250dfb8ede6e425809a77e64b9a0575800cb66ac004fbeb977d040ff2b
[INFO] running `Command { std: "docker" "start" "-a" "81aebd250dfb8ede6e425809a77e64b9a0575800cb66ac004fbeb977d040ff2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking easy-parallel v3.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking polling v3.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `PollerSealed` is never used
[INFO] [stdout]   --> src/os.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub trait PollerSealed {}
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PollerSealed` is never used
[INFO] [stdout]   --> src/os.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub trait PollerSealed {}
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "81aebd250dfb8ede6e425809a77e64b9a0575800cb66ac004fbeb977d040ff2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81aebd250dfb8ede6e425809a77e64b9a0575800cb66ac004fbeb977d040ff2b", kill_on_drop: false }`
[INFO] [stdout] 81aebd250dfb8ede6e425809a77e64b9a0575800cb66ac004fbeb977d040ff2b