[INFO] fetching crate kocheck 0.4.1...
[INFO] checking kocheck-0.4.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate kocheck 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate kocheck 0.4.1 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 kocheck 0.4.1
[INFO] finished tweaking crates.io crate kocheck 0.4.1
[INFO] tweaked toml for crates.io crate kocheck 0.4.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate kocheck 0.4.1 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 memoffset v0.6.5
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.10
[INFO] [stderr]   Downloaded nested-modules v0.2.0
[INFO] [stderr]   Downloaded lazy-st v0.2.2
[INFO] [stderr]   Downloaded mimalloc v0.1.29
[INFO] [stderr]   Downloaded kontroli v0.4.0
[INFO] [stderr]   Downloaded rayon-core v1.9.3
[INFO] [stderr]   Downloaded colosseum v0.2.2
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded rayon v1.5.3
[INFO] [stderr]   Downloaded libc v0.2.129
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded logos-derive v0.12.1
[INFO] [stderr]   Downloaded dedukti-parse v0.3.1
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.25
[INFO] [stderr]   Downloaded sized-chunks v0.6.5
[INFO] [stderr]   Downloaded im v15.1.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.6
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.11
[INFO] [stderr]   Downloaded spin v0.9.4
[INFO] [stderr]   Downloaded beef v0.5.2
[INFO] [stderr]   Downloaded logos v0.12.1
[INFO] [stderr]   Downloaded rand_xoshiro v0.6.0
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded either v1.7.0
[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] 46dbb28d0150ca28b32bd4c7c8a6a576ea0108757b97f64d20e45e7a947d7e84
[INFO] running `Command { std: "docker" "start" "-a" "46dbb28d0150ca28b32bd4c7c8a6a576ea0108757b97f64d20e45e7a947d7e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46dbb28d0150ca28b32bd4c7c8a6a576ea0108757b97f64d20e45e7a947d7e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46dbb28d0150ca28b32bd4c7c8a6a576ea0108757b97f64d20e45e7a947d7e84", kill_on_drop: false }`
[INFO] [stdout] 46dbb28d0150ca28b32bd4c7c8a6a576ea0108757b97f64d20e45e7a947d7e84
[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] dc04ef0d920d326b79c9a40e2bd10274277c24376c875751b0fcdfb5c11731af
[INFO] running `Command { std: "docker" "start" "-a" "dc04ef0d920d326b79c9a40e2bd10274277c24376c875751b0fcdfb5c11731af", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.129
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking lazy-st v0.2.2
[INFO] [stderr]     Checking nested-modules v0.2.0
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking colosseum v0.2.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking mimalloc v0.1.29
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]    Compiling clap_derive v3.2.15
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking clap v3.2.16
[INFO] [stderr]     Checking dedukti-parse v0.3.1
[INFO] [stderr]     Checking kontroli v0.4.0
[INFO] [stderr]     Checking kocheck v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.83s
[INFO] running `Command { std: "docker" "inspect" "dc04ef0d920d326b79c9a40e2bd10274277c24376c875751b0fcdfb5c11731af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc04ef0d920d326b79c9a40e2bd10274277c24376c875751b0fcdfb5c11731af", kill_on_drop: false }`
[INFO] [stdout] dc04ef0d920d326b79c9a40e2bd10274277c24376c875751b0fcdfb5c11731af
[INFO] checking kocheck-0.4.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate kocheck 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate kocheck 0.4.1 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 kocheck 0.4.1
[INFO] finished tweaking crates.io crate kocheck 0.4.1
[INFO] tweaked toml for crates.io crate kocheck 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate kocheck 0.4.1 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] 84763edfd8424ea9389f1b5741aeb057fd42861dc96771364bc398ecc527926b
[INFO] running `Command { std: "docker" "start" "-a" "84763edfd8424ea9389f1b5741aeb057fd42861dc96771364bc398ecc527926b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84763edfd8424ea9389f1b5741aeb057fd42861dc96771364bc398ecc527926b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84763edfd8424ea9389f1b5741aeb057fd42861dc96771364bc398ecc527926b", kill_on_drop: false }`
[INFO] [stdout] 84763edfd8424ea9389f1b5741aeb057fd42861dc96771364bc398ecc527926b
[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] 40ba2b66e98be40df10139527173e54761d8d32696a4fd1afde57adf89026cb7
[INFO] running `Command { std: "docker" "start" "-a" "40ba2b66e98be40df10139527173e54761d8d32696a4fd1afde57adf89026cb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.129
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking lazy-st v0.2.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking nested-modules v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking colosseum v0.2.2
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking mimalloc v0.1.29
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]    Compiling clap_derive v3.2.15
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking dedukti-parse v0.3.1
[INFO] [stderr]     Checking clap v3.2.16
[INFO] [stderr]     Checking kontroli v0.4.0
[INFO] [stderr]     Checking kocheck v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.78s
[INFO] running `Command { std: "docker" "inspect" "40ba2b66e98be40df10139527173e54761d8d32696a4fd1afde57adf89026cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40ba2b66e98be40df10139527173e54761d8d32696a4fd1afde57adf89026cb7", kill_on_drop: false }`
[INFO] [stdout] 40ba2b66e98be40df10139527173e54761d8d32696a4fd1afde57adf89026cb7