[INFO] fetching crate maplit 1.0.2...
[INFO] testing maplit-1.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate maplit 1.0.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate maplit 1.0.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maplit 1.0.2
[INFO] finished tweaking crates.io crate maplit 1.0.2
[INFO] tweaked toml for crates.io crate maplit 1.0.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 667258444ee3fb9d7cf8d1a75e2e6c3eb837943ec209735bd9b75c134a1f43ca
[INFO] running `Command { std: "docker" "start" "-a" "667258444ee3fb9d7cf8d1a75e2e6c3eb837943ec209735bd9b75c134a1f43ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "667258444ee3fb9d7cf8d1a75e2e6c3eb837943ec209735bd9b75c134a1f43ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667258444ee3fb9d7cf8d1a75e2e6c3eb837943ec209735bd9b75c134a1f43ca", kill_on_drop: false }`
[INFO] [stdout] 667258444ee3fb9d7cf8d1a75e2e6c3eb837943ec209735bd9b75c134a1f43ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] 86214eb228f74402c6045d79612f09bcdea19e085b00048f94804dc310dc071c
[INFO] running `Command { std: "docker" "start" "-a" "86214eb228f74402c6045d79612f09bcdea19e085b00048f94804dc310dc071c", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "86214eb228f74402c6045d79612f09bcdea19e085b00048f94804dc310dc071c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86214eb228f74402c6045d79612f09bcdea19e085b00048f94804dc310dc071c", kill_on_drop: false }`
[INFO] [stdout] 86214eb228f74402c6045d79612f09bcdea19e085b00048f94804dc310dc071c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] 3c6563547c290adcfc4abaf3fb49b1d20ef3934990769f1254038bec9920c7e4
[INFO] running `Command { std: "docker" "start" "-a" "3c6563547c290adcfc4abaf3fb49b1d20ef3934990769f1254038bec9920c7e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> tests/tests.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     hashmap!{{1 + 2} => 1, (1 + 3) => {0 + 2}};
[INFO] [stdout]    |              ^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> tests/tests.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     hashmap!{{1 + 2} => 1, (1 + 3) => {0 + 2}};
[INFO] [stdout]    |                                       ^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> tests/tests.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     hashset!{{1 + 1}, (2 + 1)};
[INFO] [stdout]    |              ^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "3c6563547c290adcfc4abaf3fb49b1d20ef3934990769f1254038bec9920c7e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6563547c290adcfc4abaf3fb49b1d20ef3934990769f1254038bec9920c7e4", kill_on_drop: false }`
[INFO] [stdout] 3c6563547c290adcfc4abaf3fb49b1d20ef3934990769f1254038bec9920c7e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6f7c82a078f5b2450df950966a815a12929c9de8f9be1194cdab87b7739cf29
[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" "c6f7c82a078f5b2450df950966a815a12929c9de8f9be1194cdab87b7739cf29", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> tests/tests.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |     hashmap!{{1 + 2} => 1, (1 + 3) => {0 + 2}};
[INFO] [stderr]    |              ^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> tests/tests.rs:13:39
[INFO] [stderr]    |
[INFO] [stderr] 13 |     hashmap!{{1 + 2} => 1, (1 + 3) => {0 + 2}};
[INFO] [stderr]    |                                       ^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> tests/tests.rs:29:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |     hashset!{{1 + 1}, (2 + 1)};
[INFO] [stderr]    |              ^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: `maplit` (test "tests") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/maplit-d799151fba3ee18b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-c238fcbcbff4333e)
[INFO] [stdout] test test_btreemap ... ok
[INFO] [stdout] test test_hashmap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test hashset ... ok
[INFO] [stdout] test test_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maplit
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - btreeset (line 133) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - hashset (line 67) ... ok
[INFO] [stdout] test src/lib.rs - hashmap (line 33) ... ok
[INFO] [stdout] test src/lib.rs - btreemap (line 100) ... ok
[INFO] [stdout] test src/lib.rs - convert_args (line 180) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6f7c82a078f5b2450df950966a815a12929c9de8f9be1194cdab87b7739cf29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f7c82a078f5b2450df950966a815a12929c9de8f9be1194cdab87b7739cf29", kill_on_drop: false }`
[INFO] [stdout] c6f7c82a078f5b2450df950966a815a12929c9de8f9be1194cdab87b7739cf29