[INFO] fetching crate structopt-toml 0.4.2...
[INFO] checking structopt-toml-0.4.2 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] extracting crate structopt-toml 0.4.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate structopt-toml 0.4.2 on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate structopt-toml 0.4.2
[INFO] finished tweaking crates.io crate structopt-toml 0.4.2
[INFO] tweaked toml for crates.io crate structopt-toml 0.4.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate structopt-toml 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8a0252d581887b2889dc2c073d6b0f7e7efe4d06be87a7f2d9f180ca48ffa7e1
[INFO] running `"docker" "start" "-a" "8a0252d581887b2889dc2c073d6b0f7e7efe4d06be87a7f2d9f180ca48ffa7e1"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]     Checking pulldown-cmark v0.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-toml-derive v0.4.2
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking error-chain v0.12.2
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking skeptic v0.13.4
[INFO] [stderr]    Compiling structopt-toml v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: couldn't read /opt/rustwide/target/debug/build/structopt-toml-597b97589e81d383/out/skeptic-tests.rs: No such file or directory (os error 2)
[INFO] [stderr]  --> tests/skeptic.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | include!(concat!(env!("OUT_DIR"), "/skeptic-tests.rs"));
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `structopt-toml`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8a0252d581887b2889dc2c073d6b0f7e7efe4d06be87a7f2d9f180ca48ffa7e1"`
[INFO] running `"docker" "rm" "-f" "8a0252d581887b2889dc2c073d6b0f7e7efe4d06be87a7f2d9f180ca48ffa7e1"`
[INFO] [stdout] 8a0252d581887b2889dc2c073d6b0f7e7efe4d06be87a7f2d9f180ca48ffa7e1