[INFO] fetching crate petstore 9.0.0...
[INFO] checking petstore-9.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate petstore 9.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate petstore 9.0.0 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 petstore 9.0.0
[INFO] finished tweaking crates.io crate petstore 9.0.0
[INFO] tweaked toml for crates.io crate petstore 9.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate petstore 9.0.0 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]     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]  Downloading crates ...
[INFO] [stderr]   Downloaded httpclient v0.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.83
[INFO] [stderr]   Downloaded futures-sink v0.3.24
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.83
[INFO] [stderr]   Downloaded futures-channel v0.3.24
[INFO] [stderr]   Downloaded anyhow v1.0.65
[INFO] [stderr]   Downloaded js-sys v0.3.60
[INFO] [stderr]   Downloaded futures-util v0.3.24
[INFO] [stderr]   Downloaded tokio v1.21.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.83
[INFO] [stderr]   Downloaded web-sys v0.3.60
[INFO] [stderr]   Downloaded futures-executor v0.3.24
[INFO] [stderr]   Downloaded futures v0.3.24
[INFO] [stderr]   Downloaded futures-core v0.3.24
[INFO] [stderr]   Downloaded futures-task v0.3.24
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.83
[INFO] [stderr]   Downloaded lock_api v0.4.8
[INFO] [stderr]   Downloaded futures-io v0.3.24
[INFO] [stderr]   Downloaded futures-macro v0.3.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 700a8da5661a65ae5c4ade192aec695f98666a4ef3c32562e013c73cfbee1ee1
[INFO] running `Command { std: "docker" "start" "-a" "700a8da5661a65ae5c4ade192aec695f98666a4ef3c32562e013c73cfbee1ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "700a8da5661a65ae5c4ade192aec695f98666a4ef3c32562e013c73cfbee1ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700a8da5661a65ae5c4ade192aec695f98666a4ef3c32562e013c73cfbee1ee1", kill_on_drop: false }`
[INFO] [stdout] 700a8da5661a65ae5c4ade192aec695f98666a4ef3c32562e013c73cfbee1ee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d8a5f1f3a73074bdcbe3fb84f16b601064ec4370d9c58fd86baa6575776dce0e
[INFO] running `Command { std: "docker" "start" "-a" "d8a5f1f3a73074bdcbe3fb84f16b601064ec4370d9c58fd86baa6575776dce0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking rustls-pemfile v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking urlencoding v2.1.2
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking httpclient v0.6.0
[INFO] [stderr]     Checking petstore v9.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.88s
[INFO] running `Command { std: "docker" "inspect" "d8a5f1f3a73074bdcbe3fb84f16b601064ec4370d9c58fd86baa6575776dce0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a5f1f3a73074bdcbe3fb84f16b601064ec4370d9c58fd86baa6575776dce0e", kill_on_drop: false }`
[INFO] [stdout] d8a5f1f3a73074bdcbe3fb84f16b601064ec4370d9c58fd86baa6575776dce0e
[INFO] checking petstore-9.0.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate petstore 9.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate petstore 9.0.0 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 petstore 9.0.0
[INFO] finished tweaking crates.io crate petstore 9.0.0
[INFO] tweaked toml for crates.io crate petstore 9.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate petstore 9.0.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7e28655c5adc52b5454db8600c1215f318250852d5b06465e5230989ccce40dd
[INFO] running `Command { std: "docker" "start" "-a" "7e28655c5adc52b5454db8600c1215f318250852d5b06465e5230989ccce40dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e28655c5adc52b5454db8600c1215f318250852d5b06465e5230989ccce40dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e28655c5adc52b5454db8600c1215f318250852d5b06465e5230989ccce40dd", kill_on_drop: false }`
[INFO] [stdout] 7e28655c5adc52b5454db8600c1215f318250852d5b06465e5230989ccce40dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1a9768bbf9a4721f6581fe81ae18b3d5f6839a2728fc423fc37c9534fe5b9220
[INFO] running `Command { std: "docker" "start" "-a" "1a9768bbf9a4721f6581fe81ae18b3d5f6839a2728fc423fc37c9534fe5b9220", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking rustls-pemfile v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking urlencoding v2.1.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking httpclient v0.6.0
[INFO] [stderr]     Checking petstore v9.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.69s
[INFO] running `Command { std: "docker" "inspect" "1a9768bbf9a4721f6581fe81ae18b3d5f6839a2728fc423fc37c9534fe5b9220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9768bbf9a4721f6581fe81ae18b3d5f6839a2728fc423fc37c9534fe5b9220", kill_on_drop: false }`
[INFO] [stdout] 1a9768bbf9a4721f6581fe81ae18b3d5f6839a2728fc423fc37c9534fe5b9220