[INFO] fetching crate shannon 0.2.0...
[INFO] testing shannon-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate shannon 0.2.0 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate shannon 0.2.0 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 shannon 0.2.0
[INFO] finished tweaking crates.io crate shannon 0.2.0
[INFO] tweaked toml for crates.io crate shannon 0.2.0 written to /workspace/builds/worker-86/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 4db4cddba785f2fe8790c1de11db2901c596ecd561d7551032b7a81d9c29c493
[INFO] running `Command { std: "docker" "start" "-a" "4db4cddba785f2fe8790c1de11db2901c596ecd561d7551032b7a81d9c29c493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4db4cddba785f2fe8790c1de11db2901c596ecd561d7551032b7a81d9c29c493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db4cddba785f2fe8790c1de11db2901c596ecd561d7551032b7a81d9c29c493", kill_on_drop: false }`
[INFO] [stdout] 4db4cddba785f2fe8790c1de11db2901c596ecd561d7551032b7a81d9c29c493
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] [stdout] 4b3f349d1b020333df3d869c8163c527fce0d44c000eb9d66f654187016f6809
[INFO] running `Command { std: "docker" "start" "-a" "4b3f349d1b020333df3d869c8163c527fce0d44c000eb9d66f654187016f6809", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling shannon v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | const INITKONST: u32 = 0x6996c53ai32 as (u32);
[INFO] [stdout]    |                                         ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 - const INITKONST: u32 = 0x6996c53ai32 as (u32);
[INFO] [stdout] 10 + const INITKONST: u32 = 0x6996c53ai32 as u32;
[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 0.62s
[INFO] running `Command { std: "docker" "inspect" "4b3f349d1b020333df3d869c8163c527fce0d44c000eb9d66f654187016f6809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3f349d1b020333df3d869c8163c527fce0d44c000eb9d66f654187016f6809", kill_on_drop: false }`
[INFO] [stdout] 4b3f349d1b020333df3d869c8163c527fce0d44c000eb9d66f654187016f6809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] [stdout] bb9c1e4fc51b0831c222897eca0d6150fa6cb75ce6754e621b114f8ba6fd4295
[INFO] running `Command { std: "docker" "start" "-a" "bb9c1e4fc51b0831c222897eca0d6150fa6cb75ce6754e621b114f8ba6fd4295", kill_on_drop: false }`
[INFO] [stderr]    Compiling shannon v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | const INITKONST: u32 = 0x6996c53ai32 as (u32);
[INFO] [stdout]    |                                         ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 - const INITKONST: u32 = 0x6996c53ai32 as (u32);
[INFO] [stdout] 10 + const INITKONST: u32 = 0x6996c53ai32 as u32;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | const INITKONST: u32 = 0x6996c53ai32 as (u32);
[INFO] [stdout]    |                                         ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 - const INITKONST: u32 = 0x6996c53ai32 as (u32);
[INFO] [stdout] 10 + const INITKONST: u32 = 0x6996c53ai32 as u32;
[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 0.94s
[INFO] running `Command { std: "docker" "inspect" "bb9c1e4fc51b0831c222897eca0d6150fa6cb75ce6754e621b114f8ba6fd4295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9c1e4fc51b0831c222897eca0d6150fa6cb75ce6754e621b114f8ba6fd4295", kill_on_drop: false }`
[INFO] [stdout] bb9c1e4fc51b0831c222897eca0d6150fa6cb75ce6754e621b114f8ba6fd4295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] f1053247e8197f493b1e8714ab0b646e42a0cc588834cc623aa84f2910a6f95b
[INFO] running `Command { std: "docker" "start" "-a" "f1053247e8197f493b1e8714ab0b646e42a0cc588834cc623aa84f2910a6f95b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:10:41
[INFO] [stderr]    |
[INFO] [stderr] 10 | const INITKONST: u32 = 0x6996c53ai32 as (u32);
[INFO] [stderr]    |                                         ^   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 10 - const INITKONST: u32 = 0x6996c53ai32 as (u32);
[INFO] [stderr] 10 + const INITKONST: u32 = 0x6996c53ai32 as u32;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `shannon` (lib) generated 1 warning
[INFO] [stderr] warning: `shannon` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shannon-ae74915b51ce1346)
[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] [stderr]    Doc-tests shannon
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:10:41
[INFO] [stderr]    |
[INFO] [stderr] 10 | const INITKONST: u32 = 0x6996c53ai32 as (u32);
[INFO] [stderr]    |                                         ^   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 10 - const INITKONST: u32 = 0x6996c53ai32 as (u32);
[INFO] [stderr] 10 + const INITKONST: u32 = 0x6996c53ai32 as u32;
[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" "f1053247e8197f493b1e8714ab0b646e42a0cc588834cc623aa84f2910a6f95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1053247e8197f493b1e8714ab0b646e42a0cc588834cc623aa84f2910a6f95b", kill_on_drop: false }`
[INFO] [stdout] f1053247e8197f493b1e8714ab0b646e42a0cc588834cc623aa84f2910a6f95b