[INFO] fetching crate big_o 0.1.4...
[INFO] checking big_o-0.1.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate big_o 0.1.4 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate big_o 0.1.4
[INFO] finished tweaking crates.io crate big_o 0.1.4
[INFO] tweaked toml for crates.io crate big_o 0.1.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate big_o 0.1.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate big_o 0.1.4 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v1.0.7
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded nalgebra-macros v0.1.0
[INFO] [stderr]   Downloaded lstsq v0.4.0
[INFO] [stderr]   Downloaded typenum v1.15.0
[INFO] [stderr]   Downloaded num-complex v0.4.2
[INFO] [stderr]   Downloaded matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded simba v0.7.1
[INFO] [stderr]   Downloaded safe_arch v0.6.0
[INFO] [stderr]   Downloaded wide v0.7.4
[INFO] [stderr]   Downloaded nalgebra v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd3471964aea1073163554938b25532513a781598b7680f9a258da10e9a63115
[INFO] running `Command { std: "docker" "start" "-a" "bd3471964aea1073163554938b25532513a781598b7680f9a258da10e9a63115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd3471964aea1073163554938b25532513a781598b7680f9a258da10e9a63115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3471964aea1073163554938b25532513a781598b7680f9a258da10e9a63115", kill_on_drop: false }`
[INFO] [stdout] bd3471964aea1073163554938b25532513a781598b7680f9a258da10e9a63115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da4cc843bf7f8c8841e75730a5916acb773434a5a780c15b22e8bac30fe0a007
[INFO] running `Command { std: "docker" "start" "-a" "da4cc843bf7f8c8841e75730a5916acb773434a5a780c15b22e8bac30fe0a007", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking nalgebra v0.31.0
[INFO] [stderr]     Checking lstsq v0.4.0
[INFO] [stderr]     Checking big_o v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.03s
[INFO] running `Command { std: "docker" "inspect" "da4cc843bf7f8c8841e75730a5916acb773434a5a780c15b22e8bac30fe0a007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4cc843bf7f8c8841e75730a5916acb773434a5a780c15b22e8bac30fe0a007", kill_on_drop: false }`
[INFO] [stdout] da4cc843bf7f8c8841e75730a5916acb773434a5a780c15b22e8bac30fe0a007