[INFO] fetching crate lok 0.2.4...
[INFO] checking lok-0.2.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate lok 0.2.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate lok 0.2.4 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 lok 0.2.4
[INFO] finished tweaking crates.io crate lok 0.2.4
[INFO] tweaked toml for crates.io crate lok 0.2.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate lok 0.2.4 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 bright v0.4.1
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded same-file v1.0.5
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded libc v0.2.70
[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] b2c995ab77afb24e535c616df4d44c8ae6a07a8c133876e4ee800d73adc801c4
[INFO] running `Command { std: "docker" "start" "-a" "b2c995ab77afb24e535c616df4d44c8ae6a07a8c133876e4ee800d73adc801c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2c995ab77afb24e535c616df4d44c8ae6a07a8c133876e4ee800d73adc801c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c995ab77afb24e535c616df4d44c8ae6a07a8c133876e4ee800d73adc801c4", kill_on_drop: false }`
[INFO] [stdout] b2c995ab77afb24e535c616df4d44c8ae6a07a8c133876e4ee800d73adc801c4
[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] 32a91bbd3cb6b66aeed2118a74c44294ace3004f8ba58c09e54d072296f7da9a
[INFO] running `Command { std: "docker" "start" "-a" "32a91bbd3cb6b66aeed2118a74c44294ace3004f8ba58c09e54d072296f7da9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking bright v0.4.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking lok v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `Command { std: "docker" "inspect" "32a91bbd3cb6b66aeed2118a74c44294ace3004f8ba58c09e54d072296f7da9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a91bbd3cb6b66aeed2118a74c44294ace3004f8ba58c09e54d072296f7da9a", kill_on_drop: false }`
[INFO] [stdout] 32a91bbd3cb6b66aeed2118a74c44294ace3004f8ba58c09e54d072296f7da9a
[INFO] checking lok-0.2.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate lok 0.2.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate lok 0.2.4 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 lok 0.2.4
[INFO] finished tweaking crates.io crate lok 0.2.4
[INFO] tweaked toml for crates.io crate lok 0.2.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate lok 0.2.4 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] 5977140676b9b36e61bc5dfc9a704189b1c104fafe0af1fbad3e40194e941b43
[INFO] running `Command { std: "docker" "start" "-a" "5977140676b9b36e61bc5dfc9a704189b1c104fafe0af1fbad3e40194e941b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5977140676b9b36e61bc5dfc9a704189b1c104fafe0af1fbad3e40194e941b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5977140676b9b36e61bc5dfc9a704189b1c104fafe0af1fbad3e40194e941b43", kill_on_drop: false }`
[INFO] [stdout] 5977140676b9b36e61bc5dfc9a704189b1c104fafe0af1fbad3e40194e941b43
[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] 6e70782c3a8eac1be5c6aa78ba8d5016cfea7ca2fdbd583c1bbbaace098649c0
[INFO] running `Command { std: "docker" "start" "-a" "6e70782c3a8eac1be5c6aa78ba8d5016cfea7ca2fdbd583c1bbbaace098649c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking bright v0.4.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking lok v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "6e70782c3a8eac1be5c6aa78ba8d5016cfea7ca2fdbd583c1bbbaace098649c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e70782c3a8eac1be5c6aa78ba8d5016cfea7ca2fdbd583c1bbbaace098649c0", kill_on_drop: false }`
[INFO] [stdout] 6e70782c3a8eac1be5c6aa78ba8d5016cfea7ca2fdbd583c1bbbaace098649c0