[INFO] cloning repository https://github.com/goodcodedev/descr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goodcodedev/descr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodcodedev%2Fdescr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodcodedev%2Fdescr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a64461e68785ec82eac42d9528684cec37e79de
[INFO] checking goodcodedev/descr against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodcodedev%2Fdescr" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goodcodedev/descr on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/goodcodedev/descr
[INFO] finished tweaking git repo https://github.com/goodcodedev/descr
[INFO] tweaked toml for git repo https://github.com/goodcodedev/descr written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/goodcodedev/descr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elapsed v0.1.2
[INFO] [stderr]   Downloaded itertools v0.7.4
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d601cd42f6965380eb088f3e01a74753885291a2b9a4cbe1cbfe3caa8a55009
[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" "6d601cd42f6965380eb088f3e01a74753885291a2b9a4cbe1cbfe3caa8a55009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d601cd42f6965380eb088f3e01a74753885291a2b9a4cbe1cbfe3caa8a55009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d601cd42f6965380eb088f3e01a74753885291a2b9a4cbe1cbfe3caa8a55009", kill_on_drop: false }`
[INFO] [stdout] 6d601cd42f6965380eb088f3e01a74753885291a2b9a4cbe1cbfe3caa8a55009
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--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] 0c85dd74a9d69023c6c5ba6979ab4b9b72d0a21f9c780af97cefc5ac48cc8dfb
[INFO] running `Command { std: "docker" "start" "-a" "0c85dd74a9d69023c6c5ba6979ab4b9b72d0a21f9c780af97cefc5ac48cc8dfb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking elapsed v0.1.2
[INFO] [stderr]     Checking itertools v0.7.4
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking descr-common v0.1.0 (/opt/rustwide/workdir/descr-common)
[INFO] [stderr]     Checking descr-lang v0.1.0 (/opt/rustwide/workdir/descr-lang)
[INFO] [stderr]     Checking json-descr v0.1.0 (/opt/rustwide/workdir/langs/json-descr)
[INFO] [stderr]     Checking descr-gen v0.1.0 (/opt/rustwide/workdir/descr-gen)
[INFO] [stdout] warning: the item `HashSet` is imported redundantly
[INFO] [stdout]    --> descr-gen/src/process/build_ast.rs:313:13
[INFO] [stdout]     |
[INFO] [stdout] 6   | use std::collections::HashSet;
[INFO] [stdout]     |     ------------------------- the item `HashSet` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 313 |         use std::collections::HashSet;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> descr-gen/src/lang_data/rule.rs:984:21
[INFO] [stdout]     |
[INFO] [stdout] 984 |                     String::from(member_mapped.1.as_ref()),
[INFO] [stdout]     |                     ^^^^^^^^^^^^ cannot infer type for reference `&_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `String: From<&_>`
[INFO] [stdout]     = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `descr-gen`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0c85dd74a9d69023c6c5ba6979ab4b9b72d0a21f9c780af97cefc5ac48cc8dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c85dd74a9d69023c6c5ba6979ab4b9b72d0a21f9c780af97cefc5ac48cc8dfb", kill_on_drop: false }`
[INFO] [stdout] 0c85dd74a9d69023c6c5ba6979ab4b9b72d0a21f9c780af97cefc5ac48cc8dfb