[INFO] fetching crate stakker_tui 0.0.4...
[INFO] checking stakker_tui-0.0.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate stakker_tui 0.0.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate stakker_tui 0.0.4 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 stakker_tui 0.0.4
[INFO] finished tweaking crates.io crate stakker_tui 0.0.4
[INFO] tweaked toml for crates.io crate stakker_tui 0.0.4 written to /workspace/builds/worker-4-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 61 packages
[INFO] [stderr]       Adding errno v0.2.8 (latest: v0.3.8)
[INFO] [stderr]       Adding generator v0.7.5 (latest: v0.8.1)
[INFO] [stderr]       Adding loom v0.5.6 (latest: v0.7.1)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.6)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding signal-hook v0.1.17 (latest: v0.3.17)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows v0.48.0 (latest: v0.54.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded qcell v0.5.4
[INFO] [stderr]   Downloaded stakker_mio v0.2.5
[INFO] [stderr]   Downloaded exclusion-set v0.1.2
[INFO] [stderr]   Downloaded stakker v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4dfbc43c2cdee3fc5b4667e36dd953065ace76e478a6d25c893421d072ff7560
[INFO] running `Command { std: "docker" "start" "-a" "4dfbc43c2cdee3fc5b4667e36dd953065ace76e478a6d25c893421d072ff7560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dfbc43c2cdee3fc5b4667e36dd953065ace76e478a6d25c893421d072ff7560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dfbc43c2cdee3fc5b4667e36dd953065ace76e478a6d25c893421d072ff7560", kill_on_drop: false }`
[INFO] [stdout] 4dfbc43c2cdee3fc5b4667e36dd953065ace76e478a6d25c893421d072ff7560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7e0df7e045abc985990fc0c624fa9b4a7c6334fee8d604d104b25e009c8bbbd4
[INFO] running `Command { std: "docker" "start" "-a" "7e0df7e045abc985990fc0c624fa9b4a7c6334fee8d604d104b25e009c8bbbd4", kill_on_drop: false }`
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking qcell v0.5.4
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking stakker v0.2.10
[INFO] [stderr]     Checking stakker_mio v0.2.5
[INFO] [stderr]     Checking stakker_tui v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "7e0df7e045abc985990fc0c624fa9b4a7c6334fee8d604d104b25e009c8bbbd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0df7e045abc985990fc0c624fa9b4a7c6334fee8d604d104b25e009c8bbbd4", kill_on_drop: false }`
[INFO] [stdout] 7e0df7e045abc985990fc0c624fa9b4a7c6334fee8d604d104b25e009c8bbbd4
[INFO] checking stakker_tui-0.0.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate stakker_tui 0.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate stakker_tui 0.0.4 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 stakker_tui 0.0.4
[INFO] finished tweaking crates.io crate stakker_tui 0.0.4
[INFO] tweaked toml for crates.io crate stakker_tui 0.0.4 written to /workspace/builds/worker-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fad00f6cd85856fa1d5c60172844ec0e37a573fa75082bc92095849d08bfa594
[INFO] running `Command { std: "docker" "start" "-a" "fad00f6cd85856fa1d5c60172844ec0e37a573fa75082bc92095849d08bfa594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fad00f6cd85856fa1d5c60172844ec0e37a573fa75082bc92095849d08bfa594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad00f6cd85856fa1d5c60172844ec0e37a573fa75082bc92095849d08bfa594", kill_on_drop: false }`
[INFO] [stdout] fad00f6cd85856fa1d5c60172844ec0e37a573fa75082bc92095849d08bfa594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3398d7b01a54b28c62b6cd04b90339bdc86b7bb731bc13d70e6094fca44880fe
[INFO] running `Command { std: "docker" "start" "-a" "3398d7b01a54b28c62b6cd04b90339bdc86b7bb731bc13d70e6094fca44880fe", kill_on_drop: false }`
[INFO] [stderr]     Checking qcell v0.5.4
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking stakker v0.2.10
[INFO] [stderr]     Checking stakker_mio v0.2.5
[INFO] [stderr]     Checking stakker_tui v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "3398d7b01a54b28c62b6cd04b90339bdc86b7bb731bc13d70e6094fca44880fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3398d7b01a54b28c62b6cd04b90339bdc86b7bb731bc13d70e6094fca44880fe", kill_on_drop: false }`
[INFO] [stdout] 3398d7b01a54b28c62b6cd04b90339bdc86b7bb731bc13d70e6094fca44880fe