[INFO] fetching crate pallas-handshake 0.4.0...
[INFO] checking pallas-handshake-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate pallas-handshake 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate pallas-handshake 0.4.0 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 pallas-handshake 0.4.0
[INFO] finished tweaking crates.io crate pallas-handshake 0.4.0
[INFO] tweaked toml for crates.io crate pallas-handshake 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate pallas-handshake 0.4.0 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 pallas-machines v0.4.0
[INFO] [stderr]   Downloaded pallas-multiplexer v0.4.0
[INFO] [stderr]   Downloaded minicbor v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4e343ad4b41f1868f8b28b850b4bc00c61b130beea871c005f29269e24918b2d
[INFO] running `Command { std: "docker" "start" "-a" "4e343ad4b41f1868f8b28b850b4bc00c61b130beea871c005f29269e24918b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e343ad4b41f1868f8b28b850b4bc00c61b130beea871c005f29269e24918b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e343ad4b41f1868f8b28b850b4bc00c61b130beea871c005f29269e24918b2d", kill_on_drop: false }`
[INFO] [stdout] 4e343ad4b41f1868f8b28b850b4bc00c61b130beea871c005f29269e24918b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f6bd36c5b46556db3a131e807e8c7c386379f81ad2088ecd75b91362a5216129
[INFO] running `Command { std: "docker" "start" "-a" "f6bd36c5b46556db3a131e807e8c7c386379f81ad2088ecd75b91362a5216129", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling minicbor v0.13.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking pallas-multiplexer v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking pallas-machines v0.4.0
[INFO] [stderr]     Checking pallas-handshake v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "f6bd36c5b46556db3a131e807e8c7c386379f81ad2088ecd75b91362a5216129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6bd36c5b46556db3a131e807e8c7c386379f81ad2088ecd75b91362a5216129", kill_on_drop: false }`
[INFO] [stdout] f6bd36c5b46556db3a131e807e8c7c386379f81ad2088ecd75b91362a5216129
[INFO] checking pallas-handshake-0.4.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate pallas-handshake 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate pallas-handshake 0.4.0 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 pallas-handshake 0.4.0
[INFO] finished tweaking crates.io crate pallas-handshake 0.4.0
[INFO] tweaked toml for crates.io crate pallas-handshake 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate pallas-handshake 0.4.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2ecd84deac751f8dfaf2171b622a1bc0b17f34266b9a524d894b67f1109ef391
[INFO] running `Command { std: "docker" "start" "-a" "2ecd84deac751f8dfaf2171b622a1bc0b17f34266b9a524d894b67f1109ef391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ecd84deac751f8dfaf2171b622a1bc0b17f34266b9a524d894b67f1109ef391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ecd84deac751f8dfaf2171b622a1bc0b17f34266b9a524d894b67f1109ef391", kill_on_drop: false }`
[INFO] [stdout] 2ecd84deac751f8dfaf2171b622a1bc0b17f34266b9a524d894b67f1109ef391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0f11dd5582ae3d70844cafa87de1bcb83fe0a9d3520d85a69e4a8998673d8d78
[INFO] running `Command { std: "docker" "start" "-a" "0f11dd5582ae3d70844cafa87de1bcb83fe0a9d3520d85a69e4a8998673d8d78", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling minicbor v0.13.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking pallas-multiplexer v0.4.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking pallas-machines v0.4.0
[INFO] [stderr]     Checking pallas-handshake v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "0f11dd5582ae3d70844cafa87de1bcb83fe0a9d3520d85a69e4a8998673d8d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f11dd5582ae3d70844cafa87de1bcb83fe0a9d3520d85a69e4a8998673d8d78", kill_on_drop: false }`
[INFO] [stdout] 0f11dd5582ae3d70844cafa87de1bcb83fe0a9d3520d85a69e4a8998673d8d78