Dec 18 10:33:46.273 INFO checking tabin-plugins-0.3.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 10:33:46.273 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/tabin-plugins/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:33:46.572 INFO [stdout] 6f8fc46ef566cfef904eb8808925e72aafb0e6636f66113aa5e019d812927f20
Dec 18 10:33:46.574 INFO running `"docker" "start" "-a" "6f8fc46ef566cfef904eb8808925e72aafb0e6636f66113aa5e019d812927f20"`
Dec 18 10:33:47.788 INFO [stderr]     Checking wrapped_enum v0.1.3
Dec 18 10:33:47.795 INFO [stderr]     Checking nix v0.9.0
Dec 18 10:33:47.799 INFO [stderr]    Compiling derive_more v0.8.0
Dec 18 10:33:47.809 INFO [stderr]    Compiling structopt-derive v0.2.14
Dec 18 10:33:47.810 INFO [stderr]     Checking scan_fmt v0.1.3
Dec 18 10:33:47.825 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 18 10:33:47.825 INFO [stderr]     Checking hyper v0.11.27
Dec 18 10:33:56.156 INFO [stderr]     Checking structopt v0.2.14
Dec 18 10:33:59.120 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 18 10:34:00.103 INFO [stderr]     Checking reqwest v0.8.8
Dec 18 10:34:02.189 INFO [stderr]     Checking tabin-plugins v0.3.1 (/opt/crater/workdir)
Dec 18 10:34:03.552 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 10:34:03.552 INFO [stderr]   --> src/linux.rs:53:5
Dec 18 10:34:03.552 INFO [stderr]    |
Dec 18 10:34:03.552 INFO [stderr] 53 | /     reprs
Dec 18 10:34:03.552 INFO [stderr] 54 | |         .iter()
Dec 18 10:34:03.552 INFO [stderr] 55 | |         .map(|&(raw, repr): &(u64, &str)| assert_eq!(bytes_to_human_size(raw), repr))
Dec 18 10:34:03.552 INFO [stderr] 56 | |         .collect::<Vec<_>>();
Dec 18 10:34:03.552 INFO [stderr]    | |_____________________________^
Dec 18 10:34:03.560 INFO [stderr]    |
Dec 18 10:34:03.560 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 10:34:03.560 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 10:34:03.560 INFO [stderr] 
Dec 18 10:34:04.748 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:04.748 INFO [stderr]  --> src/bin/check-fs-writeable.rs:5:1
Dec 18 10:34:04.748 INFO [stderr]   |
Dec 18 10:34:04.748 INFO [stderr] 5 | #[macro_use]
Dec 18 10:34:04.748 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:04.748 INFO [stderr]   |
Dec 18 10:34:04.748 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:04.748 INFO [stderr] 
Dec 18 10:34:04.812 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:04.812 INFO [stderr]  --> src/bin/check-fs-writeable.rs:5:1
Dec 18 10:34:04.812 INFO [stderr]   |
Dec 18 10:34:04.812 INFO [stderr] 5 | #[macro_use]
Dec 18 10:34:04.812 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:04.812 INFO [stderr]   |
Dec 18 10:34:04.812 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:04.812 INFO [stderr] 
Dec 18 10:34:05.000 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:05.000 INFO [stderr]   --> src/bin/check-disk.rs:12:1
Dec 18 10:34:05.000 INFO [stderr]    |
Dec 18 10:34:05.000 INFO [stderr] 12 | #[macro_use]
Dec 18 10:34:05.000 INFO [stderr]    | ^^^^^^^^^^^^
Dec 18 10:34:05.000 INFO [stderr]    |
Dec 18 10:34:05.000 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 10:34:05.000 INFO [stderr] 
Dec 18 10:34:05.414 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:05.415 INFO [stderr]  --> src/bin/check-cpu.rs:6:1
Dec 18 10:34:05.415 INFO [stderr]   |
Dec 18 10:34:05.415 INFO [stderr] 6 | #[macro_use]
Dec 18 10:34:05.415 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:05.415 INFO [stderr]   |
Dec 18 10:34:05.415 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:05.415 INFO [stderr] 
Dec 18 10:34:05.472 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:05.472 INFO [stderr]   --> src/bin/check-disk.rs:12:1
Dec 18 10:34:05.472 INFO [stderr]    |
Dec 18 10:34:05.472 INFO [stderr] 12 | #[macro_use]
Dec 18 10:34:05.472 INFO [stderr]    | ^^^^^^^^^^^^
Dec 18 10:34:05.472 INFO [stderr]    |
Dec 18 10:34:05.472 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 10:34:05.472 INFO [stderr] 
Dec 18 10:34:05.640 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:05.640 INFO [stderr]  --> src/bin/check-procs.rs:7:1
Dec 18 10:34:05.640 INFO [stderr]   |
Dec 18 10:34:05.640 INFO [stderr] 7 | #[macro_use]
Dec 18 10:34:05.640 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:05.640 INFO [stderr]   |
Dec 18 10:34:05.640 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:05.640 INFO [stderr] 
Dec 18 10:34:05.640 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:05.640 INFO [stderr]  --> src/bin/check-load.rs:9:1
Dec 18 10:34:05.640 INFO [stderr]   |
Dec 18 10:34:05.640 INFO [stderr] 9 | #[macro_use]
Dec 18 10:34:05.640 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:05.640 INFO [stderr]   |
Dec 18 10:34:05.640 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:05.640 INFO [stderr] 
Dec 18 10:34:05.656 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:05.656 INFO [stderr]  --> src/bin/check-container-ram.rs:6:1
Dec 18 10:34:05.656 INFO [stderr]   |
Dec 18 10:34:05.656 INFO [stderr] 6 | #[macro_use]
Dec 18 10:34:05.656 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:05.672 INFO [stderr]   |
Dec 18 10:34:05.672 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:05.672 INFO [stderr] 
Dec 18 10:34:08.896 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:08.896 INFO [stderr]  --> src/bin/check-ram.rs:4:1
Dec 18 10:34:08.896 INFO [stderr]   |
Dec 18 10:34:08.896 INFO [stderr] 4 | #[macro_use]
Dec 18 10:34:08.896 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:08.900 INFO [stderr]   |
Dec 18 10:34:08.900 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:08.900 INFO [stderr] 
Dec 18 10:34:09.472 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:09.472 INFO [stderr]  --> src/bin/check-load.rs:9:1
Dec 18 10:34:09.472 INFO [stderr]   |
Dec 18 10:34:09.472 INFO [stderr] 9 | #[macro_use]
Dec 18 10:34:09.472 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:09.472 INFO [stderr]   |
Dec 18 10:34:09.472 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:09.472 INFO [stderr] 
Dec 18 10:34:09.697 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:09.697 INFO [stderr]  --> src/bin/check-cpu.rs:6:1
Dec 18 10:34:09.697 INFO [stderr]   |
Dec 18 10:34:09.697 INFO [stderr] 6 | #[macro_use]
Dec 18 10:34:09.697 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:09.697 INFO [stderr]   |
Dec 18 10:34:09.697 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:09.697 INFO [stderr] 
Dec 18 10:34:09.828 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:09.828 INFO [stderr]  --> src/bin/check-container-cpu.rs:6:1
Dec 18 10:34:09.828 INFO [stderr]   |
Dec 18 10:34:09.828 INFO [stderr] 6 | #[macro_use]
Dec 18 10:34:09.828 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:09.828 INFO [stderr]   |
Dec 18 10:34:09.828 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:09.828 INFO [stderr] 
Dec 18 10:34:09.904 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:09.904 INFO [stderr]  --> src/bin/check-procs.rs:7:1
Dec 18 10:34:09.904 INFO [stderr]   |
Dec 18 10:34:09.904 INFO [stderr] 7 | #[macro_use]
Dec 18 10:34:09.904 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:09.904 INFO [stderr]   |
Dec 18 10:34:09.904 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:09.904 INFO [stderr] 
Dec 18 10:34:10.468 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:10.468 INFO [stderr]  --> src/bin/check-container-ram.rs:6:1
Dec 18 10:34:10.468 INFO [stderr]   |
Dec 18 10:34:10.468 INFO [stderr] 6 | #[macro_use]
Dec 18 10:34:10.468 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:10.468 INFO [stderr]   |
Dec 18 10:34:10.468 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:10.468 INFO [stderr] 
Dec 18 10:34:11.432 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:11.432 INFO [stderr]  --> src/bin/check-ram.rs:4:1
Dec 18 10:34:11.432 INFO [stderr]   |
Dec 18 10:34:11.432 INFO [stderr] 4 | #[macro_use]
Dec 18 10:34:11.432 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:11.432 INFO [stderr]   |
Dec 18 10:34:11.432 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:11.432 INFO [stderr] 
Dec 18 10:34:11.644 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:34:11.644 INFO [stderr]  --> src/bin/check-container-cpu.rs:6:1
Dec 18 10:34:11.644 INFO [stderr]   |
Dec 18 10:34:11.644 INFO [stderr] 6 | #[macro_use]
Dec 18 10:34:11.644 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:34:11.644 INFO [stderr]   |
Dec 18 10:34:11.644 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:34:11.644 INFO [stderr] 
Dec 18 10:34:12.338 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.87s
Dec 18 10:34:12.618 INFO running `"docker" "inspect" "6f8fc46ef566cfef904eb8808925e72aafb0e6636f66113aa5e019d812927f20"`
Dec 18 10:34:12.718 INFO running `"docker" "rm" "-f" "6f8fc46ef566cfef904eb8808925e72aafb0e6636f66113aa5e019d812927f20"`
Dec 18 10:34:12.820 INFO [stdout] 6f8fc46ef566cfef904eb8808925e72aafb0e6636f66113aa5e019d812927f20