[INFO] fetching crate dialga 0.4.2...
[INFO] checking dialga-0.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate dialga 0.4.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate dialga 0.4.2 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 dialga 0.4.2
[INFO] finished tweaking crates.io crate dialga 0.4.2
[INFO] tweaked toml for crates.io crate dialga 0.4.2 written to /workspace/builds/worker-1-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 84 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding knurdy v0.1.2 (latest: v0.2.0)
[INFO] [stderr]       Adding miette v5.10.0 (latest: v7.2.0)
[INFO] [stderr]       Adding miette-derive v5.10.0 (latest: v7.2.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding owo-colors v3.5.0 (latest: v4.0.0)
[INFO] [stderr]       Adding palkia v0.10.0 (latest: v0.13.1)
[INFO] [stderr]       Adding smol_str v0.1.24 (latest: v0.2.1)
[INFO] [stderr]       Adding supports-color v2.1.0 (latest: v3.0.0)
[INFO] [stderr]       Adding supports-hyperlinks v2.1.0 (latest: v3.0.0)
[INFO] [stderr]       Adding supports-unicode v2.1.0 (latest: v3.0.0)
[INFO] [stderr]       Adding terminal_size v0.1.17 (latest: v0.3.0)
[INFO] [stderr]       Adding textwrap v0.15.2 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 knurdy v0.1.2
[INFO] [stderr]   Downloaded palkia v0.10.0
[INFO] [stderr]   Downloaded downcast v0.11.0
[INFO] [stderr]   Downloaded generational-arena v0.2.9
[INFO] [stderr]   Downloaded wicker v0.2.0
[INFO] [stderr]   Downloaded kdl v4.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2e53caa8e7af636145f9466e20e87f0a2bec7d82a1b42743806f5ae2d69a669d
[INFO] running `Command { std: "docker" "start" "-a" "2e53caa8e7af636145f9466e20e87f0a2bec7d82a1b42743806f5ae2d69a669d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e53caa8e7af636145f9466e20e87f0a2bec7d82a1b42743806f5ae2d69a669d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e53caa8e7af636145f9466e20e87f0a2bec7d82a1b42743806f5ae2d69a669d", kill_on_drop: false }`
[INFO] [stdout] 2e53caa8e7af636145f9466e20e87f0a2bec7d82a1b42743806f5ae2d69a669d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ec25a5da1292dd7f3a23bebe5204cc671df8ed1e17569b0025c92bb6116d7102
[INFO] running `Command { std: "docker" "start" "-a" "ec25a5da1292dd7f3a23bebe5204cc671df8ed1e17569b0025c92bb6116d7102", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking supports-hyperlinks v2.1.0
[INFO] [stderr]     Checking supports-color v2.1.0
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]     Checking supports-unicode v2.1.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking generational-arena v0.2.9
[INFO] [stderr]     Checking smol_str v0.1.24
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking wicker v0.2.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking palkia v0.10.0
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking kdl v4.6.0
[INFO] [stderr]     Checking knurdy v0.1.2
[INFO] [stderr]     Checking dialga v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.85s
[INFO] running `Command { std: "docker" "inspect" "ec25a5da1292dd7f3a23bebe5204cc671df8ed1e17569b0025c92bb6116d7102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec25a5da1292dd7f3a23bebe5204cc671df8ed1e17569b0025c92bb6116d7102", kill_on_drop: false }`
[INFO] [stdout] ec25a5da1292dd7f3a23bebe5204cc671df8ed1e17569b0025c92bb6116d7102
[INFO] checking dialga-0.4.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate dialga 0.4.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate dialga 0.4.2 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 dialga 0.4.2
[INFO] finished tweaking crates.io crate dialga 0.4.2
[INFO] tweaked toml for crates.io crate dialga 0.4.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] be71092b35e5790f4a28d3e4036412d996ef3293dfe9f0f97428aa64fb2e48cf
[INFO] running `Command { std: "docker" "start" "-a" "be71092b35e5790f4a28d3e4036412d996ef3293dfe9f0f97428aa64fb2e48cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be71092b35e5790f4a28d3e4036412d996ef3293dfe9f0f97428aa64fb2e48cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be71092b35e5790f4a28d3e4036412d996ef3293dfe9f0f97428aa64fb2e48cf", kill_on_drop: false }`
[INFO] [stdout] be71092b35e5790f4a28d3e4036412d996ef3293dfe9f0f97428aa64fb2e48cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 515e6adf255c9e03d3dea0aaa41741f6b04ea9f3b9599eeca06d3d5c16fcc5f7
[INFO] running `Command { std: "docker" "start" "-a" "515e6adf255c9e03d3dea0aaa41741f6b04ea9f3b9599eeca06d3d5c16fcc5f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking supports-unicode v2.1.0
[INFO] [stderr]     Checking supports-hyperlinks v2.1.0
[INFO] [stderr]     Checking supports-color v2.1.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking smol_str v0.1.24
[INFO] [stderr]     Checking generational-arena v0.2.9
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking wicker v0.2.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking palkia v0.10.0
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking kdl v4.6.0
[INFO] [stderr]     Checking knurdy v0.1.2
[INFO] [stderr]     Checking dialga v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.28s
[INFO] running `Command { std: "docker" "inspect" "515e6adf255c9e03d3dea0aaa41741f6b04ea9f3b9599eeca06d3d5c16fcc5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515e6adf255c9e03d3dea0aaa41741f6b04ea9f3b9599eeca06d3d5c16fcc5f7", kill_on_drop: false }`
[INFO] [stdout] 515e6adf255c9e03d3dea0aaa41741f6b04ea9f3b9599eeca06d3d5c16fcc5f7