[INFO] fetching crate dynamic-weighted-sampler 0.2.1...
[INFO] checking dynamic-weighted-sampler-0.2.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate dynamic-weighted-sampler 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate dynamic-weighted-sampler 0.2.1
[INFO] finished tweaking crates.io crate dynamic-weighted-sampler 0.2.1
[INFO] tweaked toml for crates.io crate dynamic-weighted-sampler 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dynamic-weighted-sampler 0.2.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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] [stderr]      Locking 24 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sugars v3.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83e0b75f9c0ada6292bd4b4b16b6dcc3bb4ea52bd19c9e8046ff830c75fe046e
[INFO] running `Command { std: "docker" "start" "-a" "83e0b75f9c0ada6292bd4b4b16b6dcc3bb4ea52bd19c9e8046ff830c75fe046e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83e0b75f9c0ada6292bd4b4b16b6dcc3bb4ea52bd19c9e8046ff830c75fe046e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e0b75f9c0ada6292bd4b4b16b6dcc3bb4ea52bd19c9e8046ff830c75fe046e", kill_on_drop: false }`
[INFO] [stdout] 83e0b75f9c0ada6292bd4b4b16b6dcc3bb4ea52bd19c9e8046ff830c75fe046e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30e4287592f8a38345b173b314e3a5dc603dafd7a4d1faefa1aa912bb1da9ea5
[INFO] running `Command { std: "docker" "start" "-a" "30e4287592f8a38345b173b314e3a5dc603dafd7a4d1faefa1aa912bb1da9ea5", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking sugars v3.0.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr] error: could not compile `num-traits` (build script)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/8c32e313cccf7df531e2d49ffb8227bb92304aee/bin/rustc --crate-name build_script_build --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-traits-0.2.19/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no --cfg 'feature="libm"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "i128", "libm", "std"))' -C metadata=62fc9423af962dfb -C extra-filename=-b8d77e607cfbd173 --out-dir /opt/rustwide/target/debug/build/num-traits-b8d77e607cfbd173 -L dependency=/opt/rustwide/target/debug/deps --extern autocfg=/opt/rustwide/target/debug/deps/libautocfg-22756a69648bb107.rlib --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "30e4287592f8a38345b173b314e3a5dc603dafd7a4d1faefa1aa912bb1da9ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e4287592f8a38345b173b314e3a5dc603dafd7a4d1faefa1aa912bb1da9ea5", kill_on_drop: false }`
[INFO] [stdout] 30e4287592f8a38345b173b314e3a5dc603dafd7a4d1faefa1aa912bb1da9ea5