[INFO] fetching crate unknownrori-simple-thread-pool 0.2.0...
[INFO] checking unknownrori-simple-thread-pool-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate unknownrori-simple-thread-pool 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate unknownrori-simple-thread-pool 0.2.0 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 unknownrori-simple-thread-pool 0.2.0
[INFO] finished tweaking crates.io crate unknownrori-simple-thread-pool 0.2.0
[INFO] tweaked toml for crates.io crate unknownrori-simple-thread-pool 0.2.0 written to /workspace/builds/worker-2-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]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c41b5fd74d57dc3a42cf76104959545c31d4b6d2f77d0a5df6a6e3c63ef2fa07
[INFO] running `Command { std: "docker" "start" "-a" "c41b5fd74d57dc3a42cf76104959545c31d4b6d2f77d0a5df6a6e3c63ef2fa07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c41b5fd74d57dc3a42cf76104959545c31d4b6d2f77d0a5df6a6e3c63ef2fa07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41b5fd74d57dc3a42cf76104959545c31d4b6d2f77d0a5df6a6e3c63ef2fa07", kill_on_drop: false }`
[INFO] [stdout] c41b5fd74d57dc3a42cf76104959545c31d4b6d2f77d0a5df6a6e3c63ef2fa07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] dbc0b10c708606f459cfeb54fea2a04a060187c33d58fffcd1a57db6762cc95b
[INFO] running `Command { std: "docker" "start" "-a" "dbc0b10c708606f459cfeb54fea2a04a060187c33d58fffcd1a57db6762cc95b", kill_on_drop: false }`
[INFO] [stderr]     Checking unknownrori-simple-thread-pool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "dbc0b10c708606f459cfeb54fea2a04a060187c33d58fffcd1a57db6762cc95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc0b10c708606f459cfeb54fea2a04a060187c33d58fffcd1a57db6762cc95b", kill_on_drop: false }`
[INFO] [stdout] dbc0b10c708606f459cfeb54fea2a04a060187c33d58fffcd1a57db6762cc95b
[INFO] checking unknownrori-simple-thread-pool-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate unknownrori-simple-thread-pool 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate unknownrori-simple-thread-pool 0.2.0 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 unknownrori-simple-thread-pool 0.2.0
[INFO] finished tweaking crates.io crate unknownrori-simple-thread-pool 0.2.0
[INFO] tweaked toml for crates.io crate unknownrori-simple-thread-pool 0.2.0 written to /workspace/builds/worker-2-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e06954ce1de362d1b3bb81dce899b0d3ac395aef4431e07233d643abea55307a
[INFO] running `Command { std: "docker" "start" "-a" "e06954ce1de362d1b3bb81dce899b0d3ac395aef4431e07233d643abea55307a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e06954ce1de362d1b3bb81dce899b0d3ac395aef4431e07233d643abea55307a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e06954ce1de362d1b3bb81dce899b0d3ac395aef4431e07233d643abea55307a", kill_on_drop: false }`
[INFO] [stdout] e06954ce1de362d1b3bb81dce899b0d3ac395aef4431e07233d643abea55307a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 95a2ebfe7267b7bfe2b5b9747b47ca47cfbccf832de1db85514bea42c13f0d26
[INFO] running `Command { std: "docker" "start" "-a" "95a2ebfe7267b7bfe2b5b9747b47ca47cfbccf832de1db85514bea42c13f0d26", kill_on_drop: false }`
[INFO] [stderr]     Checking unknownrori-simple-thread-pool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "95a2ebfe7267b7bfe2b5b9747b47ca47cfbccf832de1db85514bea42c13f0d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a2ebfe7267b7bfe2b5b9747b47ca47cfbccf832de1db85514bea42c13f0d26", kill_on_drop: false }`
[INFO] [stdout] 95a2ebfe7267b7bfe2b5b9747b47ca47cfbccf832de1db85514bea42c13f0d26