[INFO] fetching crate unslip 0.1.0...
[INFO] checking unslip-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate unslip 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate unslip 0.1.0 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 unslip 0.1.0
[INFO] finished tweaking crates.io crate unslip 0.1.0
[INFO] tweaked toml for crates.io crate unslip 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate unslip 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-cipher-trait v0.6.2
[INFO] [stderr]   Downloaded aes-ctr v0.3.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.12
[INFO] [stderr]   Downloaded ctr v0.3.2
[INFO] [stderr]   Downloaded stream-cipher v0.3.2
[INFO] [stderr]   Downloaded aes-soft v0.3.3
[INFO] [stderr]   Downloaded base64 v0.12.0
[INFO] [stderr]   Downloaded aesni v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0d05539733b3464d467e05dd6037f386b3ba44856264454794d914a93e3a6f68
[INFO] running `Command { std: "docker" "start" "-a" "0d05539733b3464d467e05dd6037f386b3ba44856264454794d914a93e3a6f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d05539733b3464d467e05dd6037f386b3ba44856264454794d914a93e3a6f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d05539733b3464d467e05dd6037f386b3ba44856264454794d914a93e3a6f68", kill_on_drop: false }`
[INFO] [stdout] 0d05539733b3464d467e05dd6037f386b3ba44856264454794d914a93e3a6f68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 31a457507ada80e6cb40381e2b8a320bf646a9d82b2eabd663556d24dabd0307
[INFO] running `Command { std: "docker" "start" "-a" "31a457507ada80e6cb40381e2b8a320bf646a9d82b2eabd663556d24dabd0307", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking unslip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.49s
[INFO] running `Command { std: "docker" "inspect" "31a457507ada80e6cb40381e2b8a320bf646a9d82b2eabd663556d24dabd0307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a457507ada80e6cb40381e2b8a320bf646a9d82b2eabd663556d24dabd0307", kill_on_drop: false }`
[INFO] [stdout] 31a457507ada80e6cb40381e2b8a320bf646a9d82b2eabd663556d24dabd0307
[INFO] checking unslip-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate unslip 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate unslip 0.1.0 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 unslip 0.1.0
[INFO] finished tweaking crates.io crate unslip 0.1.0
[INFO] tweaked toml for crates.io crate unslip 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate unslip 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7c8d3cb702b23e73e475a8e8ee1b626239dc6d5bb9803fa6018da251572609a4
[INFO] running `Command { std: "docker" "start" "-a" "7c8d3cb702b23e73e475a8e8ee1b626239dc6d5bb9803fa6018da251572609a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c8d3cb702b23e73e475a8e8ee1b626239dc6d5bb9803fa6018da251572609a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8d3cb702b23e73e475a8e8ee1b626239dc6d5bb9803fa6018da251572609a4", kill_on_drop: false }`
[INFO] [stdout] 7c8d3cb702b23e73e475a8e8ee1b626239dc6d5bb9803fa6018da251572609a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 811ce57bf05a14fa62babea94ff9777c7235fb3fb53b911f781a329b2373c9bb
[INFO] running `Command { std: "docker" "start" "-a" "811ce57bf05a14fa62babea94ff9777c7235fb3fb53b911f781a329b2373c9bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking unslip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.12s
[INFO] running `Command { std: "docker" "inspect" "811ce57bf05a14fa62babea94ff9777c7235fb3fb53b911f781a329b2373c9bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811ce57bf05a14fa62babea94ff9777c7235fb3fb53b911f781a329b2373c9bb", kill_on_drop: false }`
[INFO] [stdout] 811ce57bf05a14fa62babea94ff9777c7235fb3fb53b911f781a329b2373c9bb