[INFO] fetching crate diatom-std-os 0.1.1...
[INFO] checking diatom-std-os-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate diatom-std-os 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate diatom-std-os 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 diatom-std-os 0.1.1
[INFO] finished tweaking crates.io crate diatom-std-os 0.1.1
[INFO] tweaked toml for crates.io crate diatom-std-os 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--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]      Locking 44 packages
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 diatom-core v0.6.1
[INFO] [stderr]   Downloaded bimap v0.6.3
[INFO] [stderr]   Downloaded more-asserts v0.3.1
[INFO] [stderr]   Downloaded enum_dispatch v0.3.13
[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] b6dae26ac515f848e2d5632cc9ab82a7d02ed021d251977301fe4ef7bd55a95c
[INFO] running `Command { std: "docker" "start" "-a" "b6dae26ac515f848e2d5632cc9ab82a7d02ed021d251977301fe4ef7bd55a95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6dae26ac515f848e2d5632cc9ab82a7d02ed021d251977301fe4ef7bd55a95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6dae26ac515f848e2d5632cc9ab82a7d02ed021d251977301fe4ef7bd55a95c", kill_on_drop: false }`
[INFO] [stdout] b6dae26ac515f848e2d5632cc9ab82a7d02ed021d251977301fe4ef7bd55a95c
[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] 819e96ebedb61d6147435e8032456b93dd1be937a6155755e8e6282b1a9e2bc1
[INFO] running `Command { std: "docker" "start" "-a" "819e96ebedb61d6147435e8032456b93dd1be937a6155755e8e6282b1a9e2bc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking more-asserts v0.3.1
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking diatom-core v0.6.1
[INFO] [stderr]     Checking diatom-std-os v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "819e96ebedb61d6147435e8032456b93dd1be937a6155755e8e6282b1a9e2bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819e96ebedb61d6147435e8032456b93dd1be937a6155755e8e6282b1a9e2bc1", kill_on_drop: false }`
[INFO] [stdout] 819e96ebedb61d6147435e8032456b93dd1be937a6155755e8e6282b1a9e2bc1
[INFO] checking diatom-std-os-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate diatom-std-os 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate diatom-std-os 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 diatom-std-os 0.1.1
[INFO] finished tweaking crates.io crate diatom-std-os 0.1.1
[INFO] tweaked toml for crates.io crate diatom-std-os 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] 85853e232fb990f7919b57897cb5074b68834c443b83ad1e6eced8c010b09c58
[INFO] running `Command { std: "docker" "start" "-a" "85853e232fb990f7919b57897cb5074b68834c443b83ad1e6eced8c010b09c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85853e232fb990f7919b57897cb5074b68834c443b83ad1e6eced8c010b09c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85853e232fb990f7919b57897cb5074b68834c443b83ad1e6eced8c010b09c58", kill_on_drop: false }`
[INFO] [stdout] 85853e232fb990f7919b57897cb5074b68834c443b83ad1e6eced8c010b09c58
[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] ed8ccfe612ff18e014b2015ee02cc186e28ce0864b8bce7d1a6ea7ed11dacfbd
[INFO] running `Command { std: "docker" "start" "-a" "ed8ccfe612ff18e014b2015ee02cc186e28ce0864b8bce7d1a6ea7ed11dacfbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking more-asserts v0.3.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking diatom-core v0.6.1
[INFO] [stderr]     Checking diatom-std-os v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "ed8ccfe612ff18e014b2015ee02cc186e28ce0864b8bce7d1a6ea7ed11dacfbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8ccfe612ff18e014b2015ee02cc186e28ce0864b8bce7d1a6ea7ed11dacfbd", kill_on_drop: false }`
[INFO] [stdout] ed8ccfe612ff18e014b2015ee02cc186e28ce0864b8bce7d1a6ea7ed11dacfbd