[INFO] fetching crate pallas-blockfetch 0.4.0...
[INFO] checking pallas-blockfetch-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate pallas-blockfetch 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate pallas-blockfetch 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-blockfetch 0.4.0
[INFO] finished tweaking crates.io crate pallas-blockfetch 0.4.0
[INFO] tweaked toml for crates.io crate pallas-blockfetch 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate pallas-blockfetch 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-handshake v0.4.0
[INFO] [stderr]   Downloaded pallas-multiplexer v0.4.0
[INFO] [stderr]   Downloaded minicbor v0.13.0
[INFO] [stderr]   Downloaded libc v0.2.116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 85e77e188939e243230c7d9afe9286967eaf250d86300334fde62b76ba594dde
[INFO] running `Command { std: "docker" "start" "-a" "85e77e188939e243230c7d9afe9286967eaf250d86300334fde62b76ba594dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85e77e188939e243230c7d9afe9286967eaf250d86300334fde62b76ba594dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e77e188939e243230c7d9afe9286967eaf250d86300334fde62b76ba594dde", kill_on_drop: false }`
[INFO] [stdout] 85e77e188939e243230c7d9afe9286967eaf250d86300334fde62b76ba594dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c10c8c5ffa5f118de2cb2d49fb008c579408c9fa0c6cb39462d6cd455cbbe283
[INFO] running `Command { std: "docker" "start" "-a" "c10c8c5ffa5f118de2cb2d49fb008c579408c9fa0c6cb39462d6cd455cbbe283", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling minicbor v0.13.0
[INFO] [stderr]     Checking either v1.6.1
[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 aho-corasick v0.7.18
[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-blockfetch v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking pallas-handshake v0.4.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "c10c8c5ffa5f118de2cb2d49fb008c579408c9fa0c6cb39462d6cd455cbbe283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10c8c5ffa5f118de2cb2d49fb008c579408c9fa0c6cb39462d6cd455cbbe283", kill_on_drop: false }`
[INFO] [stdout] c10c8c5ffa5f118de2cb2d49fb008c579408c9fa0c6cb39462d6cd455cbbe283
[INFO] checking pallas-blockfetch-0.4.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate pallas-blockfetch 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate pallas-blockfetch 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-blockfetch 0.4.0
[INFO] finished tweaking crates.io crate pallas-blockfetch 0.4.0
[INFO] tweaked toml for crates.io crate pallas-blockfetch 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate pallas-blockfetch 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ae12f3b94b3cf56e0a92112a1588bb4e84206fd50d9518a240185fe99d18fe6d
[INFO] running `Command { std: "docker" "start" "-a" "ae12f3b94b3cf56e0a92112a1588bb4e84206fd50d9518a240185fe99d18fe6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae12f3b94b3cf56e0a92112a1588bb4e84206fd50d9518a240185fe99d18fe6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae12f3b94b3cf56e0a92112a1588bb4e84206fd50d9518a240185fe99d18fe6d", kill_on_drop: false }`
[INFO] [stdout] ae12f3b94b3cf56e0a92112a1588bb4e84206fd50d9518a240185fe99d18fe6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 71e71045ef302ce0659b8ec3e289b91cedb1a8caa13469c29b4239f16bc5b42b
[INFO] running `Command { std: "docker" "start" "-a" "71e71045ef302ce0659b8ec3e289b91cedb1a8caa13469c29b4239f16bc5b42b", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling minicbor v0.13.0
[INFO] [stderr]     Checking either v1.6.1
[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 aho-corasick v0.7.18
[INFO] [stderr]     Checking pallas-machines v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking pallas-blockfetch v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pallas-handshake v0.4.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "71e71045ef302ce0659b8ec3e289b91cedb1a8caa13469c29b4239f16bc5b42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e71045ef302ce0659b8ec3e289b91cedb1a8caa13469c29b4239f16bc5b42b", kill_on_drop: false }`
[INFO] [stdout] 71e71045ef302ce0659b8ec3e289b91cedb1a8caa13469c29b4239f16bc5b42b