[INFO] fetching crate slant-core 0.0.0...
[INFO] testing slant-core-0.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate slant-core 0.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate slant-core 0.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate slant-core 0.0.0
[INFO] tweaked toml for crates.io crate slant-core 0.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slant-core 0.0.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding strum v0.26.3 (available: v0.27.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83c97e8a9de50528c29be253d6bad571f2e12ad39a89bc638ca0d17bdbefcaff
[INFO] running `Command { std: "docker" "start" "-a" "83c97e8a9de50528c29be253d6bad571f2e12ad39a89bc638ca0d17bdbefcaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83c97e8a9de50528c29be253d6bad571f2e12ad39a89bc638ca0d17bdbefcaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c97e8a9de50528c29be253d6bad571f2e12ad39a89bc638ca0d17bdbefcaff", kill_on_drop: false }`
[INFO] [stdout] 83c97e8a9de50528c29be253d6bad571f2e12ad39a89bc638ca0d17bdbefcaff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10f5166bd36eed303c9839437b052e70899daef0db3cf6fc390fc6371dd78558
[INFO] running `Command { std: "docker" "start" "-a" "10f5166bd36eed303c9839437b052e70899daef0db3cf6fc390fc6371dd78558", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling slant-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.106
[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-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr] error: could not compile `strum_macros` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/b83b707f97d809763b7861afa7638871f3339a33/bin/rustc --crate-name strum_macros --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/strum_macros-0.26.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=9863282a4cf2cbe9 -C extra-filename=-13c28dcac5e88f54 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern heck=/opt/rustwide/target/debug/deps/libheck-8e1f98ffb0a497ae.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0a3b3fe24b469f09.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-e098ac900c08002b.rlib --extern rustversion=/opt/rustwide/target/debug/deps/librustversion-5d316639fe7238a7.so --extern syn=/opt/rustwide/target/debug/deps/libsyn-3c8b79adc93d14bc.rlib --extern proc_macro --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" "10f5166bd36eed303c9839437b052e70899daef0db3cf6fc390fc6371dd78558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f5166bd36eed303c9839437b052e70899daef0db3cf6fc390fc6371dd78558", kill_on_drop: false }`
[INFO] [stdout] 10f5166bd36eed303c9839437b052e70899daef0db3cf6fc390fc6371dd78558