[INFO] fetching crate shannon 0.2.0...
[INFO] checking shannon-0.2.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate shannon 0.2.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate shannon 0.2.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aee8287fdc04357fda964ec9a07a3a6b7c22eed8cdeb69b1299290de6a1dfd0b
[INFO] running `Command { std: "docker" "start" "-a" "aee8287fdc04357fda964ec9a07a3a6b7c22eed8cdeb69b1299290de6a1dfd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aee8287fdc04357fda964ec9a07a3a6b7c22eed8cdeb69b1299290de6a1dfd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee8287fdc04357fda964ec9a07a3a6b7c22eed8cdeb69b1299290de6a1dfd0b", kill_on_drop: false }`
[INFO] [stdout] aee8287fdc04357fda964ec9a07a3a6b7c22eed8cdeb69b1299290de6a1dfd0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4724553558b2f58ccfa3a1acee29aa9db62a15b0aed26e536ae326a6a3ee940
[INFO] running `Command { std: "docker" "start" "-a" "e4724553558b2f58ccfa3a1acee29aa9db62a15b0aed26e536ae326a6a3ee940", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking 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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "e4724553558b2f58ccfa3a1acee29aa9db62a15b0aed26e536ae326a6a3ee940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4724553558b2f58ccfa3a1acee29aa9db62a15b0aed26e536ae326a6a3ee940", kill_on_drop: false }`
[INFO] [stdout] e4724553558b2f58ccfa3a1acee29aa9db62a15b0aed26e536ae326a6a3ee940