[INFO] fetching crate const_time_enc 0.1.0...
[INFO] testing const_time_enc-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate const_time_enc 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate const_time_enc 0.1.0 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 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-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c49c916ff264076e9b9b225ddcd10d53634587f0c69aab28cf194a073e15012d
[INFO] running `Command { std: "docker" "start" "-a" "c49c916ff264076e9b9b225ddcd10d53634587f0c69aab28cf194a073e15012d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c49c916ff264076e9b9b225ddcd10d53634587f0c69aab28cf194a073e15012d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49c916ff264076e9b9b225ddcd10d53634587f0c69aab28cf194a073e15012d", kill_on_drop: false }`
[INFO] [stdout] c49c916ff264076e9b9b225ddcd10d53634587f0c69aab28cf194a073e15012d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] c9fe9c8fa7351c6d9671795bd6e79c8b51d357f28b91858294b63aa5d0d93c85
[INFO] running `Command { std: "docker" "start" "-a" "c9fe9c8fa7351c6d9671795bd6e79c8b51d357f28b91858294b63aa5d0d93c85", 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]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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 dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "c9fe9c8fa7351c6d9671795bd6e79c8b51d357f28b91858294b63aa5d0d93c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9fe9c8fa7351c6d9671795bd6e79c8b51d357f28b91858294b63aa5d0d93c85", kill_on_drop: false }`
[INFO] [stdout] c9fe9c8fa7351c6d9671795bd6e79c8b51d357f28b91858294b63aa5d0d93c85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 1c429ed69dbcb43fd2ca646eb4e297a245ef7ddffd40ea5a70c7da84fa31edc9
[INFO] running `Command { std: "docker" "start" "-a" "1c429ed69dbcb43fd2ca646eb4e297a245ef7ddffd40ea5a70c7da84fa31edc9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[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]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling regex v1.5.4
[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]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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 6.98s
[INFO] running `Command { std: "docker" "inspect" "1c429ed69dbcb43fd2ca646eb4e297a245ef7ddffd40ea5a70c7da84fa31edc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c429ed69dbcb43fd2ca646eb4e297a245ef7ddffd40ea5a70c7da84fa31edc9", kill_on_drop: false }`
[INFO] [stdout] 1c429ed69dbcb43fd2ca646eb4e297a245ef7ddffd40ea5a70c7da84fa31edc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] e433c4af5c7f1112f111526885d9e3e68a4011c5c6a67fd0827a1115e282d058
[INFO] running `Command { std: "docker" "start" "-a" "e433c4af5c7f1112f111526885d9e3e68a4011c5c6a67fd0827a1115e282d058", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/base64.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     (six_bits.wrapping_add(offset as u8))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/const_time_enc-833a915ca0664505)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test base64::tests::test_can_decode_empty ... ok
[INFO] [stdout] test base64::tests::test_can_encode ... ok
[INFO] [stdout] test base64::tests::test_can_decode ... ok
[INFO] [stdout] test base64::tests::test_can_encode_empty ... ok
[INFO] [stdout] test base64::tests::test_decoding ... ok
[INFO] [stdout] test base64::tests::test_encoding ... ok
[INFO] [stdout] test base64::tests::test_encode_always_correctly_padded ... ok
[INFO] [stdout] test base64::tests::test_encode_decode_is_identity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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" "e433c4af5c7f1112f111526885d9e3e68a4011c5c6a67fd0827a1115e282d058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e433c4af5c7f1112f111526885d9e3e68a4011c5c6a67fd0827a1115e282d058", kill_on_drop: false }`
[INFO] [stdout] e433c4af5c7f1112f111526885d9e3e68a4011c5c6a67fd0827a1115e282d058