[INFO] fetching crate memory-socket 0.2.0...
[INFO] checking memory-socket-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate memory-socket 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate memory-socket 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 memory-socket 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate memory-socket 0.2.0
[INFO] tweaked toml for crates.io crate memory-socket 0.2.0 written to /workspace/builds/worker-6-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 23 packages
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding flume v0.7.2 (latest: v0.11.0)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[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 flume v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3bf6fb5e6d0b3b008313bce436b27e6cf576fd36296bbbec7435a6c27c3105aa
[INFO] running `Command { std: "docker" "start" "-a" "3bf6fb5e6d0b3b008313bce436b27e6cf576fd36296bbbec7435a6c27c3105aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bf6fb5e6d0b3b008313bce436b27e6cf576fd36296bbbec7435a6c27c3105aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf6fb5e6d0b3b008313bce436b27e6cf576fd36296bbbec7435a6c27c3105aa", kill_on_drop: false }`
[INFO] [stdout] 3bf6fb5e6d0b3b008313bce436b27e6cf576fd36296bbbec7435a6c27c3105aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5eff2b8e89bd9c6a51fee7cef495435abe200da079ae8c3844bcab0f14654b2c
[INFO] running `Command { std: "docker" "start" "-a" "5eff2b8e89bd9c6a51fee7cef495435abe200da079ae8c3844bcab0f14654b2c", kill_on_drop: false }`
[INFO] [stderr]     Checking flume v0.7.2
[INFO] [stderr]     Checking memory-socket v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "5eff2b8e89bd9c6a51fee7cef495435abe200da079ae8c3844bcab0f14654b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eff2b8e89bd9c6a51fee7cef495435abe200da079ae8c3844bcab0f14654b2c", kill_on_drop: false }`
[INFO] [stdout] 5eff2b8e89bd9c6a51fee7cef495435abe200da079ae8c3844bcab0f14654b2c
[INFO] checking memory-socket-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate memory-socket 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate memory-socket 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 memory-socket 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate memory-socket 0.2.0
[INFO] tweaked toml for crates.io crate memory-socket 0.2.0 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ccadf22011db334d8a664f8536f82a503569f56144ba12905543688549219c47
[INFO] running `Command { std: "docker" "start" "-a" "ccadf22011db334d8a664f8536f82a503569f56144ba12905543688549219c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccadf22011db334d8a664f8536f82a503569f56144ba12905543688549219c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccadf22011db334d8a664f8536f82a503569f56144ba12905543688549219c47", kill_on_drop: false }`
[INFO] [stdout] ccadf22011db334d8a664f8536f82a503569f56144ba12905543688549219c47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1a53084c0e6c9226e1f7c38f8dfa56bcd331b412f92a0297e37558ee45f7a6b0
[INFO] running `Command { std: "docker" "start" "-a" "1a53084c0e6c9226e1f7c38f8dfa56bcd331b412f92a0297e37558ee45f7a6b0", kill_on_drop: false }`
[INFO] [stderr]     Checking flume v0.7.2
[INFO] [stderr]     Checking memory-socket v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "1a53084c0e6c9226e1f7c38f8dfa56bcd331b412f92a0297e37558ee45f7a6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a53084c0e6c9226e1f7c38f8dfa56bcd331b412f92a0297e37558ee45f7a6b0", kill_on_drop: false }`
[INFO] [stdout] 1a53084c0e6c9226e1f7c38f8dfa56bcd331b412f92a0297e37558ee45f7a6b0