[INFO] fetching crate entromatica 2.3.0...
[INFO] checking entromatica-2.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate entromatica 2.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate entromatica 2.3.0 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 entromatica 2.3.0
[INFO] finished tweaking crates.io crate entromatica 2.3.0
[INFO] tweaked toml for crates.io crate entromatica 2.3.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding hashbrown v0.13.2 (latest: v0.14.3)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 matrixmultiply v0.3.8
[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] 0482f326ca25f926e20ba4261a2ebc4e2807b7162ea9550f149c9fad32630b2f
[INFO] running `Command { std: "docker" "start" "-a" "0482f326ca25f926e20ba4261a2ebc4e2807b7162ea9550f149c9fad32630b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0482f326ca25f926e20ba4261a2ebc4e2807b7162ea9550f149c9fad32630b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0482f326ca25f926e20ba4261a2ebc4e2807b7162ea9550f149c9fad32630b2f", kill_on_drop: false }`
[INFO] [stdout] 0482f326ca25f926e20ba4261a2ebc4e2807b7162ea9550f149c9fad32630b2f
[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] 6560afaa5d9f7746b61fb1309113dfe60ef299d3bd2e87c4d591dd34f9fd09d7
[INFO] running `Command { std: "docker" "start" "-a" "6560afaa5d9f7746b61fb1309113dfe60ef299d3bd2e87c4d591dd34f9fd09d7", kill_on_drop: false }`
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking entromatica v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "6560afaa5d9f7746b61fb1309113dfe60ef299d3bd2e87c4d591dd34f9fd09d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6560afaa5d9f7746b61fb1309113dfe60ef299d3bd2e87c4d591dd34f9fd09d7", kill_on_drop: false }`
[INFO] [stdout] 6560afaa5d9f7746b61fb1309113dfe60ef299d3bd2e87c4d591dd34f9fd09d7
[INFO] checking entromatica-2.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate entromatica 2.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate entromatica 2.3.0 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 entromatica 2.3.0
[INFO] finished tweaking crates.io crate entromatica 2.3.0
[INFO] tweaked toml for crates.io crate entromatica 2.3.0 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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 158e9467624e0d2259d4379d3e730cb70ab15b6bed4b1901b3a88c86ec095928
[INFO] running `Command { std: "docker" "start" "-a" "158e9467624e0d2259d4379d3e730cb70ab15b6bed4b1901b3a88c86ec095928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "158e9467624e0d2259d4379d3e730cb70ab15b6bed4b1901b3a88c86ec095928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158e9467624e0d2259d4379d3e730cb70ab15b6bed4b1901b3a88c86ec095928", kill_on_drop: false }`
[INFO] [stdout] 158e9467624e0d2259d4379d3e730cb70ab15b6bed4b1901b3a88c86ec095928
[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] 64ac821d912cd82ca99c3b691171c0cb77079c9caddc4afc803d5270e0e961bb
[INFO] running `Command { std: "docker" "start" "-a" "64ac821d912cd82ca99c3b691171c0cb77079c9caddc4afc803d5270e0e961bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking entromatica v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `Command { std: "docker" "inspect" "64ac821d912cd82ca99c3b691171c0cb77079c9caddc4afc803d5270e0e961bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ac821d912cd82ca99c3b691171c0cb77079c9caddc4afc803d5270e0e961bb", kill_on_drop: false }`
[INFO] [stdout] 64ac821d912cd82ca99c3b691171c0cb77079c9caddc4afc803d5270e0e961bb