[INFO] fetching crate mixed-num 0.5.5...
[INFO] testing mixed-num-0.5.5 against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] extracting crate mixed-num 0.5.5 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mixed-num 0.5.5
[INFO] finished tweaking crates.io crate mixed-num 0.5.5
[INFO] tweaked toml for crates.io crate mixed-num 0.5.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mixed-num 0.5.5 on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 112 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.7
[INFO] [stderr]   Downloaded cordic v0.1.5
[INFO] [stderr]   Downloaded yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.5
[INFO] [stderr]   Downloaded dwrote v0.11.4
[INFO] [stderr]   Downloaded font-kit v0.14.3
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded freetype-sys v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08827db980ae51a21ec798914ac19c21b19da677d3a13e8ac051331b5d068aef
[INFO] running `Command { std: "docker" "start" "-a" "08827db980ae51a21ec798914ac19c21b19da677d3a13e8ac051331b5d068aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08827db980ae51a21ec798914ac19c21b19da677d3a13e8ac051331b5d068aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08827db980ae51a21ec798914ac19c21b19da677d3a13e8ac051331b5d068aef", kill_on_drop: false }`
[INFO] [stdout] 08827db980ae51a21ec798914ac19c21b19da677d3a13e8ac051331b5d068aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da5af033aa923b8faf55b5d72b5b877cdec429c1270732a31f6c5b5156831d66
[INFO] running `Command { std: "docker" "start" "-a" "da5af033aa923b8faf55b5d72b5b877cdec429c1270732a31f6c5b5156831d66", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr] error: could not compile `num` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/bin/rustc --crate-name num --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-0.4.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "libm", "num-bigint", "rand", "serde", "std"))' -C metadata=d0889055c48d1896 -C extra-filename=-370ba27554978a7f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-064069f1e4d54e74.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-894af95d4056c244.rmeta --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-68f8c675912d7cb5.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-1cafa8fe4d3ca5e1.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-272fd80bc072735a.rmeta --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" "da5af033aa923b8faf55b5d72b5b877cdec429c1270732a31f6c5b5156831d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5af033aa923b8faf55b5d72b5b877cdec429c1270732a31f6c5b5156831d66", kill_on_drop: false }`
[INFO] [stdout] da5af033aa923b8faf55b5d72b5b877cdec429c1270732a31f6c5b5156831d66