[INFO] fetching crate packrat 0.2.1...
[INFO] checking packrat-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate packrat 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate packrat 0.2.1 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 packrat 0.2.1
[INFO] finished tweaking crates.io crate packrat 0.2.1
[INFO] tweaked toml for crates.io crate packrat 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate packrat 0.2.1 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 node-semver v2.0.0
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded ipnet v2.4.0
[INFO] [stderr]   Downloaded tui v0.18.0
[INFO] [stderr]   Downloaded miette v3.3.0
[INFO] [stderr]   Downloaded tracing-core v0.1.25
[INFO] [stderr]   Downloaded tracing v0.1.33
[INFO] [stderr]   Downloaded clap v3.1.12
[INFO] [stderr]   Downloaded libc v0.2.123
[INFO] [stderr]   Downloaded miette-derive v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 99de95baa6356061611e07f797097a3ef71e45d9ff5d4fc01f130a5e2ea39686
[INFO] running `Command { std: "docker" "start" "-a" "99de95baa6356061611e07f797097a3ef71e45d9ff5d4fc01f130a5e2ea39686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99de95baa6356061611e07f797097a3ef71e45d9ff5d4fc01f130a5e2ea39686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99de95baa6356061611e07f797097a3ef71e45d9ff5d4fc01f130a5e2ea39686", kill_on_drop: false }`
[INFO] [stdout] 99de95baa6356061611e07f797097a3ef71e45d9ff5d4fc01f130a5e2ea39686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9c43191618d188a272a00dfae1651f174e327308c5e8d61e236457d5e05ced3d
[INFO] running `Command { std: "docker" "start" "-a" "9c43191618d188a272a00dfae1651f174e327308c5e8d61e236457d5e05ced3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking tracing-core v0.1.25
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking ipnet v2.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling miette-derive v3.3.0
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tracing v0.1.33
[INFO] [stderr]     Checking miette v3.3.0
[INFO] [stderr]     Checking clap v3.1.12
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking node-semver v2.0.0
[INFO] [stderr]     Checking tui v0.18.0
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking packrat v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.65s
[INFO] running `Command { std: "docker" "inspect" "9c43191618d188a272a00dfae1651f174e327308c5e8d61e236457d5e05ced3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c43191618d188a272a00dfae1651f174e327308c5e8d61e236457d5e05ced3d", kill_on_drop: false }`
[INFO] [stdout] 9c43191618d188a272a00dfae1651f174e327308c5e8d61e236457d5e05ced3d
[INFO] checking packrat-0.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate packrat 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate packrat 0.2.1 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 packrat 0.2.1
[INFO] finished tweaking crates.io crate packrat 0.2.1
[INFO] tweaked toml for crates.io crate packrat 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate packrat 0.2.1 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7e95c0b7d2caf339859ecb7edbfac45595a0cd297390bea7e720c9d73a3dc011
[INFO] running `Command { std: "docker" "start" "-a" "7e95c0b7d2caf339859ecb7edbfac45595a0cd297390bea7e720c9d73a3dc011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e95c0b7d2caf339859ecb7edbfac45595a0cd297390bea7e720c9d73a3dc011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e95c0b7d2caf339859ecb7edbfac45595a0cd297390bea7e720c9d73a3dc011", kill_on_drop: false }`
[INFO] [stdout] 7e95c0b7d2caf339859ecb7edbfac45595a0cd297390bea7e720c9d73a3dc011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8e0bd33467ff2f53653774106373881a9b6e4861d140d117907a601f5fc127cd
[INFO] running `Command { std: "docker" "start" "-a" "8e0bd33467ff2f53653774106373881a9b6e4861d140d117907a601f5fc127cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking tracing-core v0.1.25
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking ipnet v2.4.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling miette-derive v3.3.0
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tracing v0.1.33
[INFO] [stderr]     Checking miette v3.3.0
[INFO] [stderr]     Checking clap v3.1.12
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking node-semver v2.0.0
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking tui v0.18.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking packrat v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.49s
[INFO] running `Command { std: "docker" "inspect" "8e0bd33467ff2f53653774106373881a9b6e4861d140d117907a601f5fc127cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0bd33467ff2f53653774106373881a9b6e4861d140d117907a601f5fc127cd", kill_on_drop: false }`
[INFO] [stdout] 8e0bd33467ff2f53653774106373881a9b6e4861d140d117907a601f5fc127cd