[INFO] fetching crate alpino-tokenize 0.4.0...
[INFO] checking alpino-tokenize-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate alpino-tokenize 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate alpino-tokenize 0.4.0 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 alpino-tokenize 0.4.0
[INFO] finished tweaking crates.io crate alpino-tokenize 0.4.0
[INFO] tweaked toml for crates.io crate alpino-tokenize 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate alpino-tokenize 0.4.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded conllu v0.8.0
[INFO] [stderr]   Downloaded thiserror v1.0.32
[INFO] [stderr]   Downloaded stdinout v0.4.1
[INFO] [stderr]   Downloaded udgraph v0.8.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.32
[INFO] [stderr]   Downloaded prost-derive v0.12.1
[INFO] [stderr]   Downloaded prost v0.12.1
[INFO] [stderr]   Downloaded clap_complete v3.2.3
[INFO] [stderr]   Downloaded alpino-tokenizer v0.4.0
[INFO] [stderr]   Downloaded petgraph v0.6.2
[INFO] [stderr]   Downloaded syn v1.0.99
[INFO] [stderr]   Downloaded libc v0.2.127
[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] b100adf504c7e2fde24681ff095fdaece28ad0295e1e446a22d5e826d1314ca4
[INFO] running `Command { std: "docker" "start" "-a" "b100adf504c7e2fde24681ff095fdaece28ad0295e1e446a22d5e826d1314ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b100adf504c7e2fde24681ff095fdaece28ad0295e1e446a22d5e826d1314ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b100adf504c7e2fde24681ff095fdaece28ad0295e1e446a22d5e826d1314ca4", kill_on_drop: false }`
[INFO] [stdout] b100adf504c7e2fde24681ff095fdaece28ad0295e1e446a22d5e826d1314ca4
[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] 716b33a06c98f1bf9ddabd74fddaf55e77840543b7fa73e63ae284559e68d9f4
[INFO] running `Command { std: "docker" "start" "-a" "716b33a06c98f1bf9ddabd74fddaf55e77840543b7fa73e63ae284559e68d9f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking stdinout v0.4.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking petgraph v0.6.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.2.16
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking clap_complete v3.2.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling prost-derive v0.12.1
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking udgraph v0.8.0
[INFO] [stderr]     Checking conllu v0.8.0
[INFO] [stderr]     Checking prost v0.12.1
[INFO] [stderr]     Checking alpino-tokenizer v0.4.0
[INFO] [stderr]     Checking alpino-tokenize v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.83s
[INFO] running `Command { std: "docker" "inspect" "716b33a06c98f1bf9ddabd74fddaf55e77840543b7fa73e63ae284559e68d9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716b33a06c98f1bf9ddabd74fddaf55e77840543b7fa73e63ae284559e68d9f4", kill_on_drop: false }`
[INFO] [stdout] 716b33a06c98f1bf9ddabd74fddaf55e77840543b7fa73e63ae284559e68d9f4
[INFO] checking alpino-tokenize-0.4.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate alpino-tokenize 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate alpino-tokenize 0.4.0 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 alpino-tokenize 0.4.0
[INFO] finished tweaking crates.io crate alpino-tokenize 0.4.0
[INFO] tweaked toml for crates.io crate alpino-tokenize 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate alpino-tokenize 0.4.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] 29783ceb1022fdabfd3b7c7d56ea606ba2684d3474765b76731c59a57b4735c5
[INFO] running `Command { std: "docker" "start" "-a" "29783ceb1022fdabfd3b7c7d56ea606ba2684d3474765b76731c59a57b4735c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29783ceb1022fdabfd3b7c7d56ea606ba2684d3474765b76731c59a57b4735c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29783ceb1022fdabfd3b7c7d56ea606ba2684d3474765b76731c59a57b4735c5", kill_on_drop: false }`
[INFO] [stdout] 29783ceb1022fdabfd3b7c7d56ea606ba2684d3474765b76731c59a57b4735c5
[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] 3e431a7f4909813f04d42e29f8ba086eb48dfe2a6ab5c9fcd21aa42ce8bb701b
[INFO] running `Command { std: "docker" "start" "-a" "3e431a7f4909813f04d42e29f8ba086eb48dfe2a6ab5c9fcd21aa42ce8bb701b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking stdinout v0.4.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking petgraph v0.6.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking clap v3.2.16
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking clap_complete v3.2.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling prost-derive v0.12.1
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking udgraph v0.8.0
[INFO] [stderr]     Checking conllu v0.8.0
[INFO] [stderr]     Checking prost v0.12.1
[INFO] [stderr]     Checking alpino-tokenizer v0.4.0
[INFO] [stderr]     Checking alpino-tokenize v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `Command { std: "docker" "inspect" "3e431a7f4909813f04d42e29f8ba086eb48dfe2a6ab5c9fcd21aa42ce8bb701b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e431a7f4909813f04d42e29f8ba086eb48dfe2a6ab5c9fcd21aa42ce8bb701b", kill_on_drop: false }`
[INFO] [stdout] 3e431a7f4909813f04d42e29f8ba086eb48dfe2a6ab5c9fcd21aa42ce8bb701b