[INFO] fetching crate core_dt 0.1.0...
[INFO] checking core_dt-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate core_dt 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate core_dt 0.1.0 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 core_dt 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate core_dt 0.1.0
[INFO] tweaked toml for crates.io crate core_dt 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate core_dt 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.81
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.81
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.31
[INFO] [stderr]   Downloaded pin-project-internal v1.0.11
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.81
[INFO] [stderr]   Downloaded pin-project v1.0.11
[INFO] [stderr]   Downloaded serde_derive v1.0.138
[INFO] [stderr]   Downloaded hashbrown v0.12.1
[INFO] [stderr]   Downloaded tracing-core v0.1.28
[INFO] [stderr]   Downloaded js-sys v0.3.58
[INFO] [stderr]   Downloaded web-sys v0.3.58
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.81
[INFO] [stderr]   Downloaded serde v1.0.138
[INFO] [stderr]   Downloaded serde_json v1.0.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 386d83ef4069c16982067a3d1fc023e335b985f1fc5be3254b9d6e2bf6440c95
[INFO] running `Command { std: "docker" "start" "-a" "386d83ef4069c16982067a3d1fc023e335b985f1fc5be3254b9d6e2bf6440c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "386d83ef4069c16982067a3d1fc023e335b985f1fc5be3254b9d6e2bf6440c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386d83ef4069c16982067a3d1fc023e335b985f1fc5be3254b9d6e2bf6440c95", kill_on_drop: false }`
[INFO] [stdout] 386d83ef4069c16982067a3d1fc023e335b985f1fc5be3254b9d6e2bf6440c95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 65559be6751a612ac35695d035980813527ef1f647a331a02c22482b1068af2e
[INFO] running `Command { std: "docker" "start" "-a" "65559be6751a612ac35695d035980813527ef1f647a331a02c22482b1068af2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
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[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]    Compiling encoding_rs v0.8.31
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[INFO] [stderr]    Compiling mime_guess v2.0.4
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[INFO] [stderr]    Compiling serde_json v1.0.82
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[INFO] [stderr]     Checking mime v0.3.16
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[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]     Checking net2 v0.2.37
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[INFO] [stderr]     Checking num_cpus v1.13.1
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[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking core_dt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.94s
[INFO] running `Command { std: "docker" "inspect" "65559be6751a612ac35695d035980813527ef1f647a331a02c22482b1068af2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65559be6751a612ac35695d035980813527ef1f647a331a02c22482b1068af2e", kill_on_drop: false }`
[INFO] [stdout] 65559be6751a612ac35695d035980813527ef1f647a331a02c22482b1068af2e