[INFO] fetching crate mech-syntax 0.2.59...
[INFO] building mech-syntax-0.2.59 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate mech-syntax 0.2.59 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mech-syntax 0.2.59
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mech-syntax 0.2.59
[INFO] tweaked toml for crates.io crate mech-syntax 0.2.59 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mech-syntax 0.2.59 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mech-syntax 0.2.59 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom-unicode v0.4.0
[INFO] [stderr]   Downloaded rlibc v1.0.0
[INFO] [stderr]   Downloaded mech-core v0.2.59
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d24adcb94f86ae9c5fcbf52e39957f7b7afba393b620c74e034205d0ce9b5e7
[INFO] running `Command { std: "docker" "start" "-a" "3d24adcb94f86ae9c5fcbf52e39957f7b7afba393b620c74e034205d0ce9b5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d24adcb94f86ae9c5fcbf52e39957f7b7afba393b620c74e034205d0ce9b5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d24adcb94f86ae9c5fcbf52e39957f7b7afba393b620c74e034205d0ce9b5e7", kill_on_drop: false }`
[INFO] [stdout] 3d24adcb94f86ae9c5fcbf52e39957f7b7afba393b620c74e034205d0ce9b5e7
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73a91a917be6bc1bca51ea3e3cc26a2e192669f9e8b7134c092521a6c2b7c6bb
[INFO] running `Command { std: "docker" "start" "-a" "73a91a917be6bc1bca51ea3e3cc26a2e192669f9e8b7134c092521a6c2b7c6bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling papergrid v0.14.0
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling brotli v8.0.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling simba v0.9.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling nom-unicode v0.4.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tabled_derive v0.10.0
[INFO] [stderr]    Compiling nalgebra-macros v0.3.0
[INFO] [stderr]    Compiling tabled v0.18.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling nalgebra v0.34.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling mech-core v0.2.59
[INFO] [stderr]    Compiling mech-syntax v0.2.59 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.62s
[INFO] running `Command { std: "docker" "inspect" "73a91a917be6bc1bca51ea3e3cc26a2e192669f9e8b7134c092521a6c2b7c6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a91a917be6bc1bca51ea3e3cc26a2e192669f9e8b7134c092521a6c2b7c6bb", kill_on_drop: false }`
[INFO] [stdout] 73a91a917be6bc1bca51ea3e3cc26a2e192669f9e8b7134c092521a6c2b7c6bb
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8969bd5eec9278856d5ef092c1672e39f647ae75e35c65b846e2304100991ac6
[INFO] running `Command { std: "docker" "start" "-a" "8969bd5eec9278856d5ef092c1672e39f647ae75e35c65b846e2304100991ac6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mech-syntax v0.2.59 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "8969bd5eec9278856d5ef092c1672e39f647ae75e35c65b846e2304100991ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8969bd5eec9278856d5ef092c1672e39f647ae75e35c65b846e2304100991ac6", kill_on_drop: false }`
[INFO] [stdout] 8969bd5eec9278856d5ef092c1672e39f647ae75e35c65b846e2304100991ac6