[INFO] fetching crate umcan 0.1.1...
[INFO] checking umcan-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate umcan 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate umcan 0.1.1 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 umcan 0.1.1
[INFO] finished tweaking crates.io crate umcan 0.1.1
[INFO] tweaked toml for crates.io crate umcan 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate umcan 0.1.1 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 socketcan v2.0.0
[INFO] [stderr]   Downloaded byte_conv v0.1.1
[INFO] [stderr]   Downloaded embedded-can v0.4.1
[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] d3bf9a52669586585102ead7ce8bc71444a0dd3b6bbc819e21e22f5ab351648e
[INFO] running `Command { std: "docker" "start" "-a" "d3bf9a52669586585102ead7ce8bc71444a0dd3b6bbc819e21e22f5ab351648e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3bf9a52669586585102ead7ce8bc71444a0dd3b6bbc819e21e22f5ab351648e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3bf9a52669586585102ead7ce8bc71444a0dd3b6bbc819e21e22f5ab351648e", kill_on_drop: false }`
[INFO] [stdout] d3bf9a52669586585102ead7ce8bc71444a0dd3b6bbc819e21e22f5ab351648e
[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] 96b56e187a0ae118f3bf34c6a13ef29c5a4e0a50470053b0ec4c6f5b3e722de8
[INFO] running `Command { std: "docker" "start" "-a" "96b56e187a0ae118f3bf34c6a13ef29c5a4e0a50470053b0ec4c6f5b3e722de8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling binrw_derive v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling binrw v0.11.2
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking byte_conv v0.1.1
[INFO] [stderr]     Checking embedded-can v0.4.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling neli-proc-macros v0.1.3
[INFO] [stderr]     Checking neli v0.6.4
[INFO] [stderr]     Checking socketcan v2.0.0
[INFO] [stderr]     Checking umcan v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.09s
[INFO] running `Command { std: "docker" "inspect" "96b56e187a0ae118f3bf34c6a13ef29c5a4e0a50470053b0ec4c6f5b3e722de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b56e187a0ae118f3bf34c6a13ef29c5a4e0a50470053b0ec4c6f5b3e722de8", kill_on_drop: false }`
[INFO] [stdout] 96b56e187a0ae118f3bf34c6a13ef29c5a4e0a50470053b0ec4c6f5b3e722de8
[INFO] checking umcan-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate umcan 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate umcan 0.1.1 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 umcan 0.1.1
[INFO] finished tweaking crates.io crate umcan 0.1.1
[INFO] tweaked toml for crates.io crate umcan 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate umcan 0.1.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 042e1db50ea466ba88c2586322e28cebef2264042b75bb40a8853d38c67090a2
[INFO] running `Command { std: "docker" "start" "-a" "042e1db50ea466ba88c2586322e28cebef2264042b75bb40a8853d38c67090a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "042e1db50ea466ba88c2586322e28cebef2264042b75bb40a8853d38c67090a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "042e1db50ea466ba88c2586322e28cebef2264042b75bb40a8853d38c67090a2", kill_on_drop: false }`
[INFO] [stdout] 042e1db50ea466ba88c2586322e28cebef2264042b75bb40a8853d38c67090a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 151459e327de4512c421b3585d316e46ee2a640cb520d0837eb75f0fe3078228
[INFO] running `Command { std: "docker" "start" "-a" "151459e327de4512c421b3585d316e46ee2a640cb520d0837eb75f0fe3078228", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling binrw_derive v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling binrw v0.11.2
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking embedded-can v0.4.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking byte_conv v0.1.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling neli-proc-macros v0.1.3
[INFO] [stderr]     Checking neli v0.6.4
[INFO] [stderr]     Checking socketcan v2.0.0
[INFO] [stderr]     Checking umcan v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.22s
[INFO] running `Command { std: "docker" "inspect" "151459e327de4512c421b3585d316e46ee2a640cb520d0837eb75f0fe3078228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "151459e327de4512c421b3585d316e46ee2a640cb520d0837eb75f0fe3078228", kill_on_drop: false }`
[INFO] [stdout] 151459e327de4512c421b3585d316e46ee2a640cb520d0837eb75f0fe3078228