[INFO] updating cached repository https://github.com/studoot/duplicate-finder
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f1871cb936f41bd21be38188189a825341f7f239
[INFO] checking studoot/duplicate-finder against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstudoot%2Fduplicate-finder" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/studoot/duplicate-finder on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/studoot/duplicate-finder
[INFO] finished tweaking git repo https://github.com/studoot/duplicate-finder
[INFO] tweaked toml for git repo https://github.com/studoot/duplicate-finder written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/studoot/duplicate-finder already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 207e33b0a8311a1efb1fea8c6bfaa7db1f652a3d742770d202e4ae4ee22defe9
[INFO] running `"docker" "start" "-a" "207e33b0a8311a1efb1fea8c6bfaa7db1f652a3d742770d202e4ae4ee22defe9"`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling structopt-derive v0.1.1
[INFO] [stderr]     Checking globset v0.2.0
[INFO] [stderr]     Checking ignore v0.2.2
[INFO] [stderr]     Checking structopt v0.1.1
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking duplicate-finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `num_cpus`
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | extern crate num_cpus;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error[E0463]: can't find crate for `num_cpus`
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | extern crate num_cpus;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `duplicate-finder`.
[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: could not compile `duplicate-finder`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "207e33b0a8311a1efb1fea8c6bfaa7db1f652a3d742770d202e4ae4ee22defe9"`
[INFO] running `"docker" "rm" "-f" "207e33b0a8311a1efb1fea8c6bfaa7db1f652a3d742770d202e4ae4ee22defe9"`
[INFO] [stdout] 207e33b0a8311a1efb1fea8c6bfaa7db1f652a3d742770d202e4ae4ee22defe9