[INFO] fetching crate coreemu 0.1.5...
[INFO] checking coreemu-0.1.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate coreemu 0.1.5 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate coreemu 0.1.5 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 coreemu 0.1.5
[INFO] finished tweaking crates.io crate coreemu 0.1.5
[INFO] tweaked toml for crates.io crate coreemu 0.1.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate coreemu 0.1.5 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 prost v0.10.4
[INFO] [stderr]   Downloaded prost-types v0.10.1
[INFO] [stderr]   Downloaded itertools v0.10.3
[INFO] [stderr]   Downloaded cmake v0.1.48
[INFO] [stderr]   Downloaded petgraph v0.6.2
[INFO] [stderr]   Downloaded multimap v0.8.3
[INFO] [stderr]   Downloaded pin-project-internal v1.0.11
[INFO] [stderr]   Downloaded pin-project v1.0.11
[INFO] [stderr]   Downloaded async-stream-impl v0.3.3
[INFO] [stderr]   Downloaded tokio-stream v0.1.9
[INFO] [stderr]   Downloaded tokio v1.20.0
[INFO] [stderr]   Downloaded futures-macro v0.3.21
[INFO] [stderr]   Downloaded async-stream v0.3.3
[INFO] [stderr]   Downloaded async-trait v0.1.56
[INFO] [stderr]   Downloaded axum-core v0.2.7
[INFO] [stderr]   Downloaded serde v1.0.140
[INFO] [stderr]   Downloaded sync_wrapper v0.1.1
[INFO] [stderr]   Downloaded http-range-header v0.3.0
[INFO] [stderr]   Downloaded tower-http v0.3.4
[INFO] [stderr]   Downloaded axum v0.5.13
[INFO] [stderr]   Downloaded tokio-io-timeout v1.2.0
[INFO] [stderr]   Downloaded hyper-timeout v0.4.1
[INFO] [stderr]   Downloaded tracing v0.1.35
[INFO] [stderr]   Downloaded tracing-attributes v0.1.22
[INFO] [stderr]   Downloaded tracing-core v0.1.28
[INFO] [stderr]   Downloaded tonic v0.7.2
[INFO] [stderr]   Downloaded prettyplease v0.1.16
[INFO] [stderr]   Downloaded bytes v1.2.0
[INFO] [stderr]   Downloaded prost-derive v0.10.1
[INFO] [stderr]   Downloaded which v4.2.5
[INFO] [stderr]   Downloaded tonic-build v0.7.2
[INFO] [stderr]   Downloaded prost-build v0.10.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7450e3a707528707a9f624ac00136387600c643f984f5906a1e5617d9ff5feff
[INFO] running `Command { std: "docker" "start" "-a" "7450e3a707528707a9f624ac00136387600c643f984f5906a1e5617d9ff5feff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7450e3a707528707a9f624ac00136387600c643f984f5906a1e5617d9ff5feff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7450e3a707528707a9f624ac00136387600c643f984f5906a1e5617d9ff5feff", kill_on_drop: false }`
[INFO] [stdout] 7450e3a707528707a9f624ac00136387600c643f984f5906a1e5617d9ff5feff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8664f4b4bbf6c6d765933d748ca2daf53e031e51990fa3d8c26b4e514f2e5cf6
[INFO] running `Command { std: "docker" "start" "-a" "8664f4b4bbf6c6d765933d748ca2daf53e031e51990fa3d8c26b4e514f2e5cf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling tokio v1.20.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling prost-build v0.10.4
[INFO] [stderr]    Compiling prettyplease v0.1.16
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.10.4
[INFO] [stderr]    Compiling prost-types v0.10.1
[INFO] [stderr]     Checking axum-core v0.2.7
[INFO] [stderr]    Compiling tonic-build v0.7.2
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.9
[INFO] [stderr]    Compiling coreemu v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tower-http v0.3.4
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking axum v0.5.13
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.7.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "8664f4b4bbf6c6d765933d748ca2daf53e031e51990fa3d8c26b4e514f2e5cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8664f4b4bbf6c6d765933d748ca2daf53e031e51990fa3d8c26b4e514f2e5cf6", kill_on_drop: false }`
[INFO] [stdout] 8664f4b4bbf6c6d765933d748ca2daf53e031e51990fa3d8c26b4e514f2e5cf6
[INFO] checking coreemu-0.1.5 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate coreemu 0.1.5 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate coreemu 0.1.5 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 coreemu 0.1.5
[INFO] finished tweaking crates.io crate coreemu 0.1.5
[INFO] tweaked toml for crates.io crate coreemu 0.1.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate coreemu 0.1.5 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7e33e7df88b68ba4a6cb47fc6c8c8e766ea6006418889392fb248668cc0f3a80
[INFO] running `Command { std: "docker" "start" "-a" "7e33e7df88b68ba4a6cb47fc6c8c8e766ea6006418889392fb248668cc0f3a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e33e7df88b68ba4a6cb47fc6c8c8e766ea6006418889392fb248668cc0f3a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e33e7df88b68ba4a6cb47fc6c8c8e766ea6006418889392fb248668cc0f3a80", kill_on_drop: false }`
[INFO] [stdout] 7e33e7df88b68ba4a6cb47fc6c8c8e766ea6006418889392fb248668cc0f3a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 610bdefc60208f9962596681652aa27834c94a384b9645bfa5e578c24f098d93
[INFO] running `Command { std: "docker" "start" "-a" "610bdefc60208f9962596681652aa27834c94a384b9645bfa5e578c24f098d93", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling tokio v1.20.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling prost-build v0.10.4
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]    Compiling prettyplease v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.10.4
[INFO] [stderr]    Compiling prost-types v0.10.1
[INFO] [stderr]     Checking axum-core v0.2.7
[INFO] [stderr]    Compiling tonic-build v0.7.2
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.9
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]    Compiling coreemu v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tower-http v0.3.4
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking axum v0.5.13
[INFO] [stderr]     Checking tonic v0.7.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "610bdefc60208f9962596681652aa27834c94a384b9645bfa5e578c24f098d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "610bdefc60208f9962596681652aa27834c94a384b9645bfa5e578c24f098d93", kill_on_drop: false }`
[INFO] [stdout] 610bdefc60208f9962596681652aa27834c94a384b9645bfa5e578c24f098d93