[INFO] crate m 0.1.1 is already in cache
[INFO] testing m-0.1.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate m 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate m 0.1.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate m 0.1.1
[INFO] finished tweaking crates.io crate m 0.1.1
[INFO] tweaked toml for crates.io crate m 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66de125a47dc06973461d3d79ea646f22bdf593facad1494fc719127776da674
[INFO] running `"docker" "start" "-a" "66de125a47dc06973461d3d79ea646f22bdf593facad1494fc719127776da674"`
[INFO] [stderr]    Compiling m v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `many_single_char_names`
[INFO] [stderr]    --> src/ll.rs:132:14
[INFO] [stderr]     |
[INFO] [stderr] 132 |     #![allow(many_single_char_names)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `if_same_then_else`
[INFO] [stderr]    --> src/ll.rs:134:14
[INFO] [stderr]     |
[INFO] [stderr] 134 |     #![allow(if_same_then_else)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `many_single_char_names`
[INFO] [stderr]    --> src/ll.rs:241:14
[INFO] [stderr]     |
[INFO] [stderr] 241 |     #![allow(many_single_char_names)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `eq_op`
[INFO] [stderr]    --> src/ll.rs:242:14
[INFO] [stderr]     |
[INFO] [stderr] 242 |     #![allow(eq_op)]
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "66de125a47dc06973461d3d79ea646f22bdf593facad1494fc719127776da674"`
[INFO] running `"docker" "rm" "-f" "66de125a47dc06973461d3d79ea646f22bdf593facad1494fc719127776da674"`
[INFO] [stdout] 66de125a47dc06973461d3d79ea646f22bdf593facad1494fc719127776da674
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d57bc2b4e98c0390ec0e686b2c57722a64212bd4886213445d90feef54b9072b
[INFO] running `"docker" "start" "-a" "d57bc2b4e98c0390ec0e686b2c57722a64212bd4886213445d90feef54b9072b"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr] warning: unknown lint: `many_single_char_names`
[INFO] [stderr]    --> src/ll.rs:132:14
[INFO] [stderr]     |
[INFO] [stderr] 132 |     #![allow(many_single_char_names)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `if_same_then_else`
[INFO] [stderr]    --> src/ll.rs:134:14
[INFO] [stderr]     |
[INFO] [stderr] 134 |     #![allow(if_same_then_else)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `many_single_char_names`
[INFO] [stderr]    --> src/ll.rs:241:14
[INFO] [stderr]     |
[INFO] [stderr] 241 |     #![allow(many_single_char_names)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `eq_op`
[INFO] [stderr]    --> src/ll.rs:242:14
[INFO] [stderr]     |
[INFO] [stderr] 242 |     #![allow(eq_op)]
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.3.2
[INFO] [stderr]    Compiling m v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `many_single_char_names`
[INFO] [stderr]    --> src/ll.rs:132:14
[INFO] [stderr]     |
[INFO] [stderr] 132 |     #![allow(many_single_char_names)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `if_same_then_else`
[INFO] [stderr]    --> src/ll.rs:134:14
[INFO] [stderr]     |
[INFO] [stderr] 134 |     #![allow(if_same_then_else)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `many_single_char_names`
[INFO] [stderr]    --> src/ll.rs:241:14
[INFO] [stderr]     |
[INFO] [stderr] 241 |     #![allow(many_single_char_names)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `eq_op`
[INFO] [stderr]    --> src/ll.rs:242:14
[INFO] [stderr]     |
[INFO] [stderr] 242 |     #![allow(eq_op)]
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `m`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d57bc2b4e98c0390ec0e686b2c57722a64212bd4886213445d90feef54b9072b"`
[INFO] running `"docker" "rm" "-f" "d57bc2b4e98c0390ec0e686b2c57722a64212bd4886213445d90feef54b9072b"`
[INFO] [stdout] d57bc2b4e98c0390ec0e686b2c57722a64212bd4886213445d90feef54b9072b