[INFO] fetching crate transition 0.1.2...
[INFO] checking transition-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate transition 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate transition 0.1.2 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 transition 0.1.2
[INFO] finished tweaking crates.io crate transition 0.1.2
[INFO] tweaked toml for crates.io crate transition 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate transition 0.1.2 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 blinkrs v2.0.1
[INFO] [stderr]   Downloaded semver v1.0.18
[INFO] [stderr]   Downloaded rusb v0.9.3
[INFO] [stderr]   Downloaded libusb1-sys v0.6.4
[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] 2576ee22a1719c79d0f4b7b1fb8d5b87a7f10180a62c381cfd55e318650e6cf0
[INFO] running `Command { std: "docker" "start" "-a" "2576ee22a1719c79d0f4b7b1fb8d5b87a7f10180a62c381cfd55e318650e6cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2576ee22a1719c79d0f4b7b1fb8d5b87a7f10180a62c381cfd55e318650e6cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2576ee22a1719c79d0f4b7b1fb8d5b87a7f10180a62c381cfd55e318650e6cf0", kill_on_drop: false }`
[INFO] [stdout] 2576ee22a1719c79d0f4b7b1fb8d5b87a7f10180a62c381cfd55e318650e6cf0
[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] bc6d860bd3dc4b1063e0e5febacd4005feee2b404bed13c8f75ce1bc733a4692
[INFO] running `Command { std: "docker" "start" "-a" "bc6d860bd3dc4b1063e0e5febacd4005feee2b404bed13c8f75ce1bc733a4692", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking aho-corasick v1.0.5
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling rustix v0.38.13
[INFO] [stderr]    Compiling rusb v0.9.3
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.33
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]    Compiling libusb1-sys v0.6.4
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking blinkrs v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking transition v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Clone` is imported redundantly
[INFO] [stdout]  --> src/msg.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::clone::Clone;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Clone` is already defined here
[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]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stdout] warning: the item `Clone` is imported redundantly
[INFO] [stdout]  --> src/msg.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::clone::Clone;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Clone` is already defined here
[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 35.63s
[INFO] running `Command { std: "docker" "inspect" "bc6d860bd3dc4b1063e0e5febacd4005feee2b404bed13c8f75ce1bc733a4692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6d860bd3dc4b1063e0e5febacd4005feee2b404bed13c8f75ce1bc733a4692", kill_on_drop: false }`
[INFO] [stdout] bc6d860bd3dc4b1063e0e5febacd4005feee2b404bed13c8f75ce1bc733a4692
[INFO] checking transition-0.1.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate transition 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate transition 0.1.2 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 transition 0.1.2
[INFO] finished tweaking crates.io crate transition 0.1.2
[INFO] tweaked toml for crates.io crate transition 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate transition 0.1.2 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-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] d7973b2ed8814e6ebbc5a1165688819f6157c9621cf3dac86a5cb795bd245631
[INFO] running `Command { std: "docker" "start" "-a" "d7973b2ed8814e6ebbc5a1165688819f6157c9621cf3dac86a5cb795bd245631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7973b2ed8814e6ebbc5a1165688819f6157c9621cf3dac86a5cb795bd245631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7973b2ed8814e6ebbc5a1165688819f6157c9621cf3dac86a5cb795bd245631", kill_on_drop: false }`
[INFO] [stdout] d7973b2ed8814e6ebbc5a1165688819f6157c9621cf3dac86a5cb795bd245631
[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] 5a6a9396aafa245c689c7b0ded0861295602c980b4a8e30ba350ea6bdaab82be
[INFO] running `Command { std: "docker" "start" "-a" "5a6a9396aafa245c689c7b0ded0861295602c980b4a8e30ba350ea6bdaab82be", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking aho-corasick v1.0.5
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling rustix v0.38.13
[INFO] [stderr]    Compiling rusb v0.9.3
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.33
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling libusb1-sys v0.6.4
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking blinkrs v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking transition v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Clone` is imported redundantly
[INFO] [stdout]  --> src/msg.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::clone::Clone;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Clone` is already defined here
[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]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stdout] warning: the item `Clone` is imported redundantly
[INFO] [stdout]  --> src/msg.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::clone::Clone;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Clone` is already defined here
[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 31.59s
[INFO] running `Command { std: "docker" "inspect" "5a6a9396aafa245c689c7b0ded0861295602c980b4a8e30ba350ea6bdaab82be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6a9396aafa245c689c7b0ded0861295602c980b4a8e30ba350ea6bdaab82be", kill_on_drop: false }`
[INFO] [stdout] 5a6a9396aafa245c689c7b0ded0861295602c980b4a8e30ba350ea6bdaab82be