[INFO] fetching crate mech-math 0.2.66...
[INFO] checking mech-math-0.2.66 against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] extracting crate mech-math 0.2.66 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mech-math 0.2.66
[INFO] finished tweaking crates.io crate mech-math 0.2.66
[INFO] tweaked toml for crates.io crate mech-math 0.2.66 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mech-math 0.2.66 on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mech-math 0.2.66 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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlibc v1.0.0
[INFO] [stderr]   Downloaded mech-core v0.2.66
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d2004f0c2424e74bc97d2ac9443aac38a7d707eda4452ab6590b09ffccb9f1d
[INFO] running `Command { std: "docker" "start" "-a" "3d2004f0c2424e74bc97d2ac9443aac38a7d707eda4452ab6590b09ffccb9f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d2004f0c2424e74bc97d2ac9443aac38a7d707eda4452ab6590b09ffccb9f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2004f0c2424e74bc97d2ac9443aac38a7d707eda4452ab6590b09ffccb9f1d", kill_on_drop: false }`
[INFO] [stdout] 3d2004f0c2424e74bc97d2ac9443aac38a7d707eda4452ab6590b09ffccb9f1d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2206963ecb23fa37b7d82aa9eb99cb2169f5721b3fcc59e73dfbf2fc707082e
[INFO] running `Command { std: "docker" "start" "-a" "b2206963ecb23fa37b7d82aa9eb99cb2169f5721b3fcc59e73dfbf2fc707082e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking papergrid v0.14.0
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]    Compiling nalgebra-macros v0.3.0
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]    Compiling tabled_derive v0.10.0
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking tabled v0.18.0
[INFO] [stderr]     Checking simba v0.9.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking nalgebra v0.34.1
[INFO] [stderr]     Checking mech-core v0.2.66
[INFO] [stderr]     Checking mech-math v0.2.66 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.60s
[INFO] running `Command { std: "docker" "inspect" "b2206963ecb23fa37b7d82aa9eb99cb2169f5721b3fcc59e73dfbf2fc707082e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2206963ecb23fa37b7d82aa9eb99cb2169f5721b3fcc59e73dfbf2fc707082e", kill_on_drop: false }`
[INFO] [stdout] b2206963ecb23fa37b7d82aa9eb99cb2169f5721b3fcc59e73dfbf2fc707082e