[INFO] fetching crate structopt-toml 0.4.5...
[INFO] testing structopt-toml-0.4.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate structopt-toml 0.4.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate structopt-toml 0.4.5 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structopt-toml 0.4.5
[INFO] finished tweaking crates.io crate structopt-toml 0.4.5
[INFO] tweaked toml for crates.io crate structopt-toml 0.4.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate structopt-toml 0.4.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-toml-derive v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66fe5e204c11fb42e2ca1f74b20b7067daa677cb41540d50f4c4e2ffb18e0ab9
[INFO] running `Command { std: "docker" "start" "-a" "66fe5e204c11fb42e2ca1f74b20b7067daa677cb41540d50f4c4e2ffb18e0ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66fe5e204c11fb42e2ca1f74b20b7067daa677cb41540d50f4c4e2ffb18e0ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66fe5e204c11fb42e2ca1f74b20b7067daa677cb41540d50f4c4e2ffb18e0ab9", kill_on_drop: false }`
[INFO] [stdout] 66fe5e204c11fb42e2ca1f74b20b7067daa677cb41540d50f4c4e2ffb18e0ab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43b29b9722bd1d04e4e3f7facc549bc0547001e2e4120e3f66691a0fe18f0164
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "43b29b9722bd1d04e4e3f7facc549bc0547001e2e4120e3f66691a0fe18f0164", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling structopt-toml-derive v0.4.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling structopt-toml v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.59s
[INFO] running `Command { std: "docker" "inspect" "43b29b9722bd1d04e4e3f7facc549bc0547001e2e4120e3f66691a0fe18f0164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b29b9722bd1d04e4e3f7facc549bc0547001e2e4120e3f66691a0fe18f0164", kill_on_drop: false }`
[INFO] [stdout] 43b29b9722bd1d04e4e3f7facc549bc0547001e2e4120e3f66691a0fe18f0164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfa2f71de5b357d5d2233e4d7d0ad68b13ad0b87500db6bdcb17bee22e82b28d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cfa2f71de5b357d5d2233e4d7d0ad68b13ad0b87500db6bdcb17bee22e82b28d", kill_on_drop: false }`
[INFO] [stderr]    Compiling structopt-toml v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read /opt/rustwide/target/debug/build/structopt-toml-43c553fa68f4672e/out/skeptic-tests.rs: No such file or directory (os error 2)
[INFO] [stdout]  --> tests/skeptic.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | include!(concat!(env!("OUT_DIR"), "/skeptic-tests.rs"));
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "cfa2f71de5b357d5d2233e4d7d0ad68b13ad0b87500db6bdcb17bee22e82b28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa2f71de5b357d5d2233e4d7d0ad68b13ad0b87500db6bdcb17bee22e82b28d", kill_on_drop: false }`
[INFO] [stdout] cfa2f71de5b357d5d2233e4d7d0ad68b13ad0b87500db6bdcb17bee22e82b28d