[INFO] fetching crate shannon 0.2.0...
[INFO] testing shannon-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate shannon 0.2.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate shannon 0.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69ceeca003d2bf3be891e20cd122e5818e37378e80907d8cb099061ae2447042
[INFO] running `Command { std: "docker" "start" "-a" "69ceeca003d2bf3be891e20cd122e5818e37378e80907d8cb099061ae2447042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69ceeca003d2bf3be891e20cd122e5818e37378e80907d8cb099061ae2447042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ceeca003d2bf3be891e20cd122e5818e37378e80907d8cb099061ae2447042", kill_on_drop: false }`
[INFO] [stdout] 69ceeca003d2bf3be891e20cd122e5818e37378e80907d8cb099061ae2447042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3262dcbceb8809217ebc56dd961128879e1fc1b6e606a7f7ec459f4038260ecf
[INFO] running `Command { std: "docker" "start" "-a" "3262dcbceb8809217ebc56dd961128879e1fc1b6e606a7f7ec459f4038260ecf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.36s
[INFO] running `Command { std: "docker" "inspect" "3262dcbceb8809217ebc56dd961128879e1fc1b6e606a7f7ec459f4038260ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3262dcbceb8809217ebc56dd961128879e1fc1b6e606a7f7ec459f4038260ecf", kill_on_drop: false }`
[INFO] [stdout] 3262dcbceb8809217ebc56dd961128879e1fc1b6e606a7f7ec459f4038260ecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 433e53242a47721b2cbe10282dad3c2d932f96436acaa8d3c26792f940e40f00
[INFO] running `Command { std: "docker" "start" "-a" "433e53242a47721b2cbe10282dad3c2d932f96436acaa8d3c26792f940e40f00", kill_on_drop: false }`
[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] [stderr]    Compiling shannon v0.2.0 (/opt/rustwide/workdir)
[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 0.91s
[INFO] running `Command { std: "docker" "inspect" "433e53242a47721b2cbe10282dad3c2d932f96436acaa8d3c26792f940e40f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "433e53242a47721b2cbe10282dad3c2d932f96436acaa8d3c26792f940e40f00", kill_on_drop: false }`
[INFO] [stdout] 433e53242a47721b2cbe10282dad3c2d932f96436acaa8d3c26792f940e40f00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0db5770190213dd477bbcd74ac2d35507949ebce02fa98d9925b5178939690f
[INFO] running `Command { std: "docker" "start" "-a" "b0db5770190213dd477bbcd74ac2d35507949ebce02fa98d9925b5178939690f", 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 0.01s
[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" "b0db5770190213dd477bbcd74ac2d35507949ebce02fa98d9925b5178939690f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0db5770190213dd477bbcd74ac2d35507949ebce02fa98d9925b5178939690f", kill_on_drop: false }`
[INFO] [stdout] b0db5770190213dd477bbcd74ac2d35507949ebce02fa98d9925b5178939690f