[INFO] fetching crate libpt-log 0.1.7...
[INFO] checking libpt-log-0.1.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate libpt-log 0.1.7 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate libpt-log 0.1.7 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 libpt-log 0.1.7
[INFO] finished tweaking crates.io crate libpt-log 0.1.7
[INFO] tweaked toml for crates.io crate libpt-log 0.1.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding indoc v1.0.9 (latest: v2.0.5)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding pyo3 v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-build-config v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-ffi v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros-backend v0.19.2 (latest: v0.21.1)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded unindent v0.1.11
[INFO] [stderr]   Downloaded pyo3-ffi v0.19.2
[INFO] [stderr]   Downloaded gag v1.0.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.19.2
[INFO] [stderr]   Downloaded pyo3-macros v0.19.2
[INFO] [stderr]   Downloaded filedescriptor v0.8.2
[INFO] [stderr]   Downloaded indoc v1.0.9
[INFO] [stderr]   Downloaded pyo3-build-config v0.19.2
[INFO] [stderr]   Downloaded tracing-appender v0.2.3
[INFO] [stderr]   Downloaded pyo3 v0.19.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b4dd625f3c6f56cc042c4b6d6e0705e610b3b234e6eb80fc68feecee39970da5
[INFO] running `Command { std: "docker" "start" "-a" "b4dd625f3c6f56cc042c4b6d6e0705e610b3b234e6eb80fc68feecee39970da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4dd625f3c6f56cc042c4b6d6e0705e610b3b234e6eb80fc68feecee39970da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4dd625f3c6f56cc042c4b6d6e0705e610b3b234e6eb80fc68feecee39970da5", kill_on_drop: false }`
[INFO] [stdout] b4dd625f3c6f56cc042c4b6d6e0705e610b3b234e6eb80fc68feecee39970da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cceb24b0d56c29f2641d18ef1812f65854e2e0aa6ee9e7d03f6c05de97e50dd3
[INFO] running `Command { std: "docker" "start" "-a" "cceb24b0d56c29f2641d18ef1812f65854e2e0aa6ee9e7d03f6c05de97e50dd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking filedescriptor v0.8.2
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]     Checking gag v1.0.0
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]     Checking libpt-log v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `tracing_appender` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use tracing_appender;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ the item `tracing_appender` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_appender` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use tracing_appender;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ the item `tracing_appender` is already defined by prelude
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.08s
[INFO] running `Command { std: "docker" "inspect" "cceb24b0d56c29f2641d18ef1812f65854e2e0aa6ee9e7d03f6c05de97e50dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cceb24b0d56c29f2641d18ef1812f65854e2e0aa6ee9e7d03f6c05de97e50dd3", kill_on_drop: false }`
[INFO] [stdout] cceb24b0d56c29f2641d18ef1812f65854e2e0aa6ee9e7d03f6c05de97e50dd3