[INFO] fetching crate uair 0.6.1...
[INFO] checking uair-0.6.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate uair 0.6.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate uair 0.6.1 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 uair 0.6.1
[INFO] finished tweaking crates.io crate uair 0.6.1
[INFO] tweaked toml for crates.io crate uair 0.6.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate uair 0.6.1 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 equivalent v1.0.0
[INFO] [stderr]   Downloaded toml v0.7.5
[INFO] [stderr]   Downloaded time-macros v0.2.9
[INFO] [stderr]   Downloaded signal-hook-async-std v0.2.2
[INFO] [stderr]   Downloaded async-net v1.7.0
[INFO] [stderr]   Downloaded parking v2.1.0
[INFO] [stderr]   Downloaded async-task v4.4.0
[INFO] [stderr]   Downloaded atomic-waker v1.1.1
[INFO] [stderr]   Downloaded time v0.3.22
[INFO] [stderr]   Downloaded winnow v0.4.7
[INFO] [stderr]   Downloaded rustix v0.37.22
[INFO] [stderr]   Downloaded blocking v1.3.1
[INFO] [stderr]   Downloaded async-lock v2.7.0
[INFO] [stderr]   Downloaded simplelog v0.12.1
[INFO] [stderr]   Downloaded toml_edit v0.19.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 31e1150e65c63a843f3cf517c6c2bacdfe21996c701b9f5ed91814aa128f1892
[INFO] running `Command { std: "docker" "start" "-a" "31e1150e65c63a843f3cf517c6c2bacdfe21996c701b9f5ed91814aa128f1892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e1150e65c63a843f3cf517c6c2bacdfe21996c701b9f5ed91814aa128f1892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e1150e65c63a843f3cf517c6c2bacdfe21996c701b9f5ed91814aa128f1892", kill_on_drop: false }`
[INFO] [stdout] 31e1150e65c63a843f3cf517c6c2bacdfe21996c701b9f5ed91814aa128f1892
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f5806e327821c4c57d7d1705956a50ddba191a4bcec4a8a8071b9824d347585b
[INFO] running `Command { std: "docker" "start" "-a" "f5806e327821c4c57d7d1705956a50ddba191a4bcec4a8a8071b9824d347585b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling rustix v0.37.22
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking equivalent v1.0.0
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking winnow v0.4.7
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking simplelog v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.166
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]     Checking signal-hook-async-std v0.2.2
[INFO] [stderr]     Checking argh v0.1.10
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking toml_edit v0.19.11
[INFO] [stderr]     Checking toml v0.7.5
[INFO] [stderr]     Checking uair v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.47s
[INFO] running `Command { std: "docker" "inspect" "f5806e327821c4c57d7d1705956a50ddba191a4bcec4a8a8071b9824d347585b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5806e327821c4c57d7d1705956a50ddba191a4bcec4a8a8071b9824d347585b", kill_on_drop: false }`
[INFO] [stdout] f5806e327821c4c57d7d1705956a50ddba191a4bcec4a8a8071b9824d347585b
[INFO] checking uair-0.6.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate uair 0.6.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate uair 0.6.1 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 uair 0.6.1
[INFO] finished tweaking crates.io crate uair 0.6.1
[INFO] tweaked toml for crates.io crate uair 0.6.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate uair 0.6.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9d426893f296f61ff3b75baa0eab947a3f3852adfe1d135a67568c79c5d40a43
[INFO] running `Command { std: "docker" "start" "-a" "9d426893f296f61ff3b75baa0eab947a3f3852adfe1d135a67568c79c5d40a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d426893f296f61ff3b75baa0eab947a3f3852adfe1d135a67568c79c5d40a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d426893f296f61ff3b75baa0eab947a3f3852adfe1d135a67568c79c5d40a43", kill_on_drop: false }`
[INFO] [stdout] 9d426893f296f61ff3b75baa0eab947a3f3852adfe1d135a67568c79c5d40a43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a6bdf4cc313bc012bdc5e5bb37d83875e6a6959325653bb5c5891bdcc2309dee
[INFO] running `Command { std: "docker" "start" "-a" "a6bdf4cc313bc012bdc5e5bb37d83875e6a6959325653bb5c5891bdcc2309dee", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling rustix v0.37.22
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking equivalent v1.0.0
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]     Checking winnow v0.4.7
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking simplelog v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.166
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]     Checking signal-hook-async-std v0.2.2
[INFO] [stderr]     Checking argh v0.1.10
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking toml_edit v0.19.11
[INFO] [stderr]     Checking toml v0.7.5
[INFO] [stderr]     Checking uair v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.19s
[INFO] running `Command { std: "docker" "inspect" "a6bdf4cc313bc012bdc5e5bb37d83875e6a6959325653bb5c5891bdcc2309dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bdf4cc313bc012bdc5e5bb37d83875e6a6959325653bb5c5891bdcc2309dee", kill_on_drop: false }`
[INFO] [stdout] a6bdf4cc313bc012bdc5e5bb37d83875e6a6959325653bb5c5891bdcc2309dee