[INFO] fetching crate peepable 0.1.1...
[INFO] testing peepable-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate peepable 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate peepable 0.1.1 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 peepable 0.1.1
[INFO] finished tweaking crates.io crate peepable 0.1.1
[INFO] tweaked toml for crates.io crate peepable 0.1.1 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 2139fd87061f01277d3770b7fbfd55d206882f59ad89a26351784728b393c9ee
[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" "2139fd87061f01277d3770b7fbfd55d206882f59ad89a26351784728b393c9ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2139fd87061f01277d3770b7fbfd55d206882f59ad89a26351784728b393c9ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2139fd87061f01277d3770b7fbfd55d206882f59ad89a26351784728b393c9ee", kill_on_drop: false }`
[INFO] [stdout] 2139fd87061f01277d3770b7fbfd55d206882f59ad89a26351784728b393c9ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8553d0082b4eb2b685a36e8a0fb0824fe163cee9c637db121df2431259ae7c7c
[INFO] running `Command { std: "docker" "start" "-a" "8553d0082b4eb2b685a36e8a0fb0824fe163cee9c637db121df2431259ae7c7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling peepable v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "8553d0082b4eb2b685a36e8a0fb0824fe163cee9c637db121df2431259ae7c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8553d0082b4eb2b685a36e8a0fb0824fe163cee9c637db121df2431259ae7c7c", kill_on_drop: false }`
[INFO] [stdout] 8553d0082b4eb2b685a36e8a0fb0824fe163cee9c637db121df2431259ae7c7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] f07302b84ed3d941e25eb1c587294f43d82642e21903fdcd14036ead5a2e9b2d
[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" "f07302b84ed3d941e25eb1c587294f43d82642e21903fdcd14036ead5a2e9b2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling peepable v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:149:34
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let iter = Peepable::new((0..4));
[INFO] [stdout]     |                                  ^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "f07302b84ed3d941e25eb1c587294f43d82642e21903fdcd14036ead5a2e9b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07302b84ed3d941e25eb1c587294f43d82642e21903fdcd14036ead5a2e9b2d", kill_on_drop: false }`
[INFO] [stdout] f07302b84ed3d941e25eb1c587294f43d82642e21903fdcd14036ead5a2e9b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 648282d22440248a856247fca9823e09ae01fe1a87085846580dd301e93ba5f1
[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" "648282d22440248a856247fca9823e09ae01fe1a87085846580dd301e93ba5f1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stdout] running 3 tests
[INFO] [stderr]    --> src/lib.rs:149:34
[INFO] [stdout] test tests::has_iterator_tools ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::basic_iterator ... ok
[INFO] [stderr] 149 |         let iter = Peepable::new((0..4));
[INFO] [stdout] test tests::basic_peeping ... ok
[INFO] [stderr]     |                                  ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: `peepable` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/peepable-4924910ca58ad5ac)
[INFO] [stderr]      Running tests/peepable.rs (/opt/rustwide/target/debug/deps/peepable-f836435c6a9a6cc4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::peep_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests peepable
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Peepable (line 15) ... ok
[INFO] [stdout] test src/lib.rs - Peepable<I>::new (line 71) ... ok
[INFO] [stdout] test src/lib.rs - Peepable<I>::peep (line 92) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "648282d22440248a856247fca9823e09ae01fe1a87085846580dd301e93ba5f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648282d22440248a856247fca9823e09ae01fe1a87085846580dd301e93ba5f1", kill_on_drop: false }`
[INFO] [stdout] 648282d22440248a856247fca9823e09ae01fe1a87085846580dd301e93ba5f1