[INFO] fetching crate pipo 0.1.1...
[INFO] checking pipo-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate pipo 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate pipo 0.1.1 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 pipo 0.1.1
[INFO] finished tweaking crates.io crate pipo 0.1.1
[INFO] tweaked toml for crates.io crate pipo 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate pipo 0.1.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded half v1.8.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.10
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.2
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.11
[INFO] [stderr]   Downloaded rayon-core v1.9.3
[INFO] [stderr]   Downloaded plotters v0.3.3
[INFO] [stderr]   Downloaded rayon v1.5.3
[INFO] [stderr]   Downloaded csv v1.1.6
[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] f6d0d67a77c7ff584020117130455a2733bd28fbad927eda3bee459e7b19e8b8
[INFO] running `Command { std: "docker" "start" "-a" "f6d0d67a77c7ff584020117130455a2733bd28fbad927eda3bee459e7b19e8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6d0d67a77c7ff584020117130455a2733bd28fbad927eda3bee459e7b19e8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d0d67a77c7ff584020117130455a2733bd28fbad927eda3bee459e7b19e8b8", kill_on_drop: false }`
[INFO] [stdout] f6d0d67a77c7ff584020117130455a2733bd28fbad927eda3bee459e7b19e8b8
[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] 89ef1a582165cdfc9f8856a8c4f7aae8087b1ba3d6ccb031db3fa44169c1ef90
[INFO] running `Command { std: "docker" "start" "-a" "89ef1a582165cdfc9f8856a8c4f7aae8087b1ba3d6ccb031db3fa44169c1ef90", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking plotters v0.3.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking pipo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.58s
[INFO] running `Command { std: "docker" "inspect" "89ef1a582165cdfc9f8856a8c4f7aae8087b1ba3d6ccb031db3fa44169c1ef90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89ef1a582165cdfc9f8856a8c4f7aae8087b1ba3d6ccb031db3fa44169c1ef90", kill_on_drop: false }`
[INFO] [stdout] 89ef1a582165cdfc9f8856a8c4f7aae8087b1ba3d6ccb031db3fa44169c1ef90
[INFO] checking pipo-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate pipo 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate pipo 0.1.1 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 pipo 0.1.1
[INFO] finished tweaking crates.io crate pipo 0.1.1
[INFO] tweaked toml for crates.io crate pipo 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate pipo 0.1.1 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-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] 5402e5faff3c6b2c7bb48c7d5f722d236403a8767c77fe476e8cd4bf7cf51c2d
[INFO] running `Command { std: "docker" "start" "-a" "5402e5faff3c6b2c7bb48c7d5f722d236403a8767c77fe476e8cd4bf7cf51c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5402e5faff3c6b2c7bb48c7d5f722d236403a8767c77fe476e8cd4bf7cf51c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5402e5faff3c6b2c7bb48c7d5f722d236403a8767c77fe476e8cd4bf7cf51c2d", kill_on_drop: false }`
[INFO] [stdout] 5402e5faff3c6b2c7bb48c7d5f722d236403a8767c77fe476e8cd4bf7cf51c2d
[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] d46e7bd1253edbd65b93769bebae4a19593b8750f3671382b8bf24f63f8063c6
[INFO] running `Command { std: "docker" "start" "-a" "d46e7bd1253edbd65b93769bebae4a19593b8750f3671382b8bf24f63f8063c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking plotters v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking pipo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.19s
[INFO] running `Command { std: "docker" "inspect" "d46e7bd1253edbd65b93769bebae4a19593b8750f3671382b8bf24f63f8063c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46e7bd1253edbd65b93769bebae4a19593b8750f3671382b8bf24f63f8063c6", kill_on_drop: false }`
[INFO] [stdout] d46e7bd1253edbd65b93769bebae4a19593b8750f3671382b8bf24f63f8063c6