[INFO] crate gcmap 0.1.4 is already in cache
[INFO] testing gcmap-0.1.4 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate gcmap 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gcmap 0.1.4 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gcmap 0.1.4
[INFO] finished tweaking crates.io crate gcmap 0.1.4
[INFO] tweaked toml for crates.io crate gcmap 0.1.4 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4ac2dc0bd8f1f6b716ee8b0e8bfd1391a924d28a019a02b7e10015a2c301d602
[INFO] running `"docker" "start" "-a" "4ac2dc0bd8f1f6b716ee8b0e8bfd1391a924d28a019a02b7e10015a2c301d602"`
[INFO] [stderr]    Compiling gcmap v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "4ac2dc0bd8f1f6b716ee8b0e8bfd1391a924d28a019a02b7e10015a2c301d602"`
[INFO] running `"docker" "rm" "-f" "4ac2dc0bd8f1f6b716ee8b0e8bfd1391a924d28a019a02b7e10015a2c301d602"`
[INFO] [stdout] 4ac2dc0bd8f1f6b716ee8b0e8bfd1391a924d28a019a02b7e10015a2c301d602
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e5de0a1156d39f17371072598e15965adb6a02627c3c7a8c78caf7499de81d9f
[INFO] running `"docker" "start" "-a" "e5de0a1156d39f17371072598e15965adb6a02627c3c7a8c78caf7499de81d9f"`
[INFO] [stderr]    Compiling gcmap v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `mark`
[INFO] [stderr]    --> src/lib.rs:224:10
[INFO] [stderr]     |
[INFO] [stderr] 224 |     let (mark, _) = wm.insert(2, 8);
[INFO] [stderr]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_mark`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mark`
[INFO] [stderr]    --> src/lib.rs:251:47
[INFO] [stderr]     |
[INFO] [stderr] 251 |         let val = wm.entry(1).or_insert_with(|mark|2);
[INFO] [stderr]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_mark`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "e5de0a1156d39f17371072598e15965adb6a02627c3c7a8c78caf7499de81d9f"`
[INFO] running `"docker" "rm" "-f" "e5de0a1156d39f17371072598e15965adb6a02627c3c7a8c78caf7499de81d9f"`
[INFO] [stdout] e5de0a1156d39f17371072598e15965adb6a02627c3c7a8c78caf7499de81d9f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77825fa780b66b56dc78139f1130c7c50c2dc64eb4262fb46e1bbfa5579baf63
[INFO] running `"docker" "start" "-a" "77825fa780b66b56dc78139f1130c7c50c2dc64eb4262fb46e1bbfa5579baf63"`
[INFO] [stderr] warning: unused variable: `mark`
[INFO] [stderr]    --> src/lib.rs:224:10
[INFO] [stderr]     |
[INFO] [stderr] 224 |     let (mark, _) = wm.insert(2, 8);
[INFO] [stderr]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_mark`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mark`
[INFO] [stderr]    --> src/lib.rs:251:47
[INFO] [stderr]     |
[INFO] [stderr] 251 |         let val = wm.entry(1).or_insert_with(|mark|2);
[INFO] [stderr]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_mark`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gcmap-bc16ce073e734f76
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test entry ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gcmap
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "77825fa780b66b56dc78139f1130c7c50c2dc64eb4262fb46e1bbfa5579baf63"`
[INFO] running `"docker" "rm" "-f" "77825fa780b66b56dc78139f1130c7c50c2dc64eb4262fb46e1bbfa5579baf63"`
[INFO] [stdout] 77825fa780b66b56dc78139f1130c7c50c2dc64eb4262fb46e1bbfa5579baf63