[INFO] fetching crate raise 2.0.0...
[INFO] checking raise-2.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate raise 2.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate raise 2.0.0 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 raise 2.0.0
[INFO] finished tweaking crates.io crate raise 2.0.0
[INFO] tweaked toml for crates.io crate raise 2.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2586150f89c3a71bae3d7da8544dbabaf88ffc819e7da45b9f8e53fc5daf02af
[INFO] running `Command { std: "docker" "start" "-a" "2586150f89c3a71bae3d7da8544dbabaf88ffc819e7da45b9f8e53fc5daf02af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2586150f89c3a71bae3d7da8544dbabaf88ffc819e7da45b9f8e53fc5daf02af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2586150f89c3a71bae3d7da8544dbabaf88ffc819e7da45b9f8e53fc5daf02af", kill_on_drop: false }`
[INFO] [stdout] 2586150f89c3a71bae3d7da8544dbabaf88ffc819e7da45b9f8e53fc5daf02af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 694230139d0f678f1547d7c6b40e2c3405afafe70a8443ae0d17d650d4f41cef
[INFO] running `Command { std: "docker" "start" "-a" "694230139d0f678f1547d7c6b40e2c3405afafe70a8443ae0d17d650d4f41cef", kill_on_drop: false }`
[INFO] [stderr]     Checking raise v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `yeet` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 105 | / macro_rules! yeet {
[INFO] [stdout] 106 | |     ($(,)?) => {{return $crate::Yeet::from_err(())}};
[INFO] [stdout] 107 | |     ($e:expr$(,)?) => {{return $crate::Yeet::from_err($e)}};
[INFO] [stdout] 108 | | }
[INFO] [stdout]     | |_- the item `yeet` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 115 |       use crate::yeet;
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "694230139d0f678f1547d7c6b40e2c3405afafe70a8443ae0d17d650d4f41cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "694230139d0f678f1547d7c6b40e2c3405afafe70a8443ae0d17d650d4f41cef", kill_on_drop: false }`
[INFO] [stdout] 694230139d0f678f1547d7c6b40e2c3405afafe70a8443ae0d17d650d4f41cef
[INFO] checking raise-2.0.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate raise 2.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate raise 2.0.0 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 raise 2.0.0
[INFO] finished tweaking crates.io crate raise 2.0.0
[INFO] tweaked toml for crates.io crate raise 2.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3a1c37e67e40bf895fc7f38713a7a230786aec0a783b4cd64c298e7b8565361e
[INFO] running `Command { std: "docker" "start" "-a" "3a1c37e67e40bf895fc7f38713a7a230786aec0a783b4cd64c298e7b8565361e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a1c37e67e40bf895fc7f38713a7a230786aec0a783b4cd64c298e7b8565361e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1c37e67e40bf895fc7f38713a7a230786aec0a783b4cd64c298e7b8565361e", kill_on_drop: false }`
[INFO] [stdout] 3a1c37e67e40bf895fc7f38713a7a230786aec0a783b4cd64c298e7b8565361e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 22063b2fc5cddb3d55cd13efcc97c4a25542fb0cd40713cc47169ff3003d6c9c
[INFO] running `Command { std: "docker" "start" "-a" "22063b2fc5cddb3d55cd13efcc97c4a25542fb0cd40713cc47169ff3003d6c9c", kill_on_drop: false }`
[INFO] [stderr]     Checking raise v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `yeet` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 105 | / macro_rules! yeet {
[INFO] [stdout] 106 | |     ($(,)?) => {{return $crate::Yeet::from_err(())}};
[INFO] [stdout] 107 | |     ($e:expr$(,)?) => {{return $crate::Yeet::from_err($e)}};
[INFO] [stdout] 108 | | }
[INFO] [stdout]     | |_- the item `yeet` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 115 |       use crate::yeet;
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "22063b2fc5cddb3d55cd13efcc97c4a25542fb0cd40713cc47169ff3003d6c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22063b2fc5cddb3d55cd13efcc97c4a25542fb0cd40713cc47169ff3003d6c9c", kill_on_drop: false }`
[INFO] [stdout] 22063b2fc5cddb3d55cd13efcc97c4a25542fb0cd40713cc47169ff3003d6c9c