[INFO] cloning repository https://github.com/blt/bughunt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blt/bughunt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fbughunt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fbughunt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3ef9d7d7db618f3d1126cebe74d0fa9b4cc6425
[INFO] testing blt/bughunt against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fbughunt" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blt/bughunt on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blt/bughunt
[INFO] finished tweaking git repo https://github.com/blt/bughunt
[INFO] tweaked toml for git repo https://github.com/blt/bughunt written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/blt/bughunt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69de415726f24debdbcb1180b5286c99669c9bfa6806d6578bfda1d51b95a38e
[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" "69de415726f24debdbcb1180b5286c99669c9bfa6806d6578bfda1d51b95a38e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69de415726f24debdbcb1180b5286c99669c9bfa6806d6578bfda1d51b95a38e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69de415726f24debdbcb1180b5286c99669c9bfa6806d6578bfda1d51b95a38e", kill_on_drop: false }`
[INFO] [stdout] 69de415726f24debdbcb1180b5286c99669c9bfa6806d6578bfda1d51b95a38e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", 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] dd7a1d8a403a1bc5d196637de075ba88f21d19ee63497c5f30955eb672293f61
[INFO] running `Command { std: "docker" "start" "-a" "dd7a1d8a403a1bc5d196637de075ba88f21d19ee63497c5f30955eb672293f61", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling bughunt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: deny(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[deny(rust_2018_idioms)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[deny(unused)]
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_attributes)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: deny(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[deny(rust_2018_idioms)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bughunt`
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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" "dd7a1d8a403a1bc5d196637de075ba88f21d19ee63497c5f30955eb672293f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd7a1d8a403a1bc5d196637de075ba88f21d19ee63497c5f30955eb672293f61", kill_on_drop: false }`
[INFO] [stdout] dd7a1d8a403a1bc5d196637de075ba88f21d19ee63497c5f30955eb672293f61