[INFO] fetching crate const_time_enc 0.1.0...
[INFO] testing const_time_enc-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate const_time_enc 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate const_time_enc 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const_time_enc 0.1.0
[INFO] finished tweaking crates.io crate const_time_enc 0.1.0
[INFO] tweaked toml for crates.io crate const_time_enc 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 546c471d24ea14dc7cc4a536cc176958da6c042071b1412711d2d4d31db4e2e5
[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" "546c471d24ea14dc7cc4a536cc176958da6c042071b1412711d2d4d31db4e2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "546c471d24ea14dc7cc4a536cc176958da6c042071b1412711d2d4d31db4e2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546c471d24ea14dc7cc4a536cc176958da6c042071b1412711d2d4d31db4e2e5", kill_on_drop: false }`
[INFO] [stdout] 546c471d24ea14dc7cc4a536cc176958da6c042071b1412711d2d4d31db4e2e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] cdede88970fa3ecf4b96f0b1744ef666d1136a1eb1d2961b88972d4c95caeda1
[INFO] running `Command { std: "docker" "start" "-a" "cdede88970fa3ecf4b96f0b1744ef666d1136a1eb1d2961b88972d4c95caeda1", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_time_enc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/base64.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     (six_bits.wrapping_add(offset as u8))
[INFO] [stdout]    |     ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -     (six_bits.wrapping_add(offset as u8))
[INFO] [stdout] 18 +     six_bits.wrapping_add(offset as u8)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "cdede88970fa3ecf4b96f0b1744ef666d1136a1eb1d2961b88972d4c95caeda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdede88970fa3ecf4b96f0b1744ef666d1136a1eb1d2961b88972d4c95caeda1", kill_on_drop: false }`
[INFO] [stdout] cdede88970fa3ecf4b96f0b1744ef666d1136a1eb1d2961b88972d4c95caeda1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] d09c7f777b55a082374483f52b01e4f1ba6a292db9f622a497a4401902157bf5
[INFO] running `Command { std: "docker" "start" "-a" "d09c7f777b55a082374483f52b01e4f1ba6a292db9f622a497a4401902157bf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/base64.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     (six_bits.wrapping_add(offset as u8))
[INFO] [stdout]    |     ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -     (six_bits.wrapping_add(offset as u8))
[INFO] [stdout] 18 +     six_bits.wrapping_add(offset as u8)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.7.2
[INFO] [stderr]    Compiling const_time_enc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/base64.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     (six_bits.wrapping_add(offset as u8))
[INFO] [stdout]    |     ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -     (six_bits.wrapping_add(offset as u8))
[INFO] [stdout] 18 +     six_bits.wrapping_add(offset as u8)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "d09c7f777b55a082374483f52b01e4f1ba6a292db9f622a497a4401902157bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09c7f777b55a082374483f52b01e4f1ba6a292db9f622a497a4401902157bf5", kill_on_drop: false }`
[INFO] [stdout] d09c7f777b55a082374483f52b01e4f1ba6a292db9f622a497a4401902157bf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eadf3813eca0794a439dbc58a6606c9d2bb7d92ebcc694e6440d9f6a3cdc62c5
[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" "eadf3813eca0794a439dbc58a6606c9d2bb7d92ebcc694e6440d9f6a3cdc62c5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 8 tests
[INFO] [stderr]   --> src/base64.rs:18:5
[INFO] [stdout] test base64::tests::test_can_decode_empty ... ok
[INFO] [stderr]    |
[INFO] [stdout] test base64::tests::test_can_decode ... ok
[INFO] [stderr] 18 |     (six_bits.wrapping_add(offset as u8))
[INFO] [stdout] test base64::tests::test_can_encode ... ok
[INFO] [stderr]    |     ^                                   ^
[INFO] [stdout] test base64::tests::test_can_encode_empty ... ok
[INFO] [stderr]    |
[INFO] [stdout] test base64::tests::test_decoding ... ok
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] test base64::tests::test_encoding ... ok
[INFO] [stderr] help: remove these parentheses
[INFO] [stdout] test base64::tests::test_encode_decode_is_identity ... ok
[INFO] [stderr]    |
[INFO] [stdout] test base64::tests::test_encode_always_correctly_padded ... ok
[INFO] [stderr] 18 -     (six_bits.wrapping_add(offset as u8))
[INFO] [stdout] 
[INFO] [stderr] 18 +     six_bits.wrapping_add(offset as u8)
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stderr]    | 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: `const_time_enc` (lib) generated 1 warning
[INFO] [stderr] warning: `const_time_enc` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/const_time_enc-23a6605ab3064a9b)
[INFO] [stderr]    Doc-tests const_time_enc
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/base64.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     (six_bits.wrapping_add(offset as u8))
[INFO] [stderr]    |     ^                                   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 18 -     (six_bits.wrapping_add(offset as u8))
[INFO] [stderr] 18 +     six_bits.wrapping_add(offset as u8)
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eadf3813eca0794a439dbc58a6606c9d2bb7d92ebcc694e6440d9f6a3cdc62c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eadf3813eca0794a439dbc58a6606c9d2bb7d92ebcc694e6440d9f6a3cdc62c5", kill_on_drop: false }`
[INFO] [stdout] eadf3813eca0794a439dbc58a6606c9d2bb7d92ebcc694e6440d9f6a3cdc62c5