[INFO] cloning repository https://github.com/csknk/linux-random-bytes-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csknk/linux-random-bytes-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsknk%2Flinux-random-bytes-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsknk%2Flinux-random-bytes-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 310e59f7ce56c2ba42f7085245c1069215f2a979
[INFO] checking csknk/linux-random-bytes-rust against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsknk%2Flinux-random-bytes-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/csknk/linux-random-bytes-rust
[INFO] finished tweaking git repo https://github.com/csknk/linux-random-bytes-rust
[INFO] tweaked toml for git repo https://github.com/csknk/linux-random-bytes-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/csknk/linux-random-bytes-rust on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/csknk/linux-random-bytes-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 442b467b51219e4f8baee34153ca7a776293d3a1b8fdb0e2b9dbcf7d8ae35612
[INFO] running `Command { std: "docker" "start" "-a" "442b467b51219e4f8baee34153ca7a776293d3a1b8fdb0e2b9dbcf7d8ae35612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "442b467b51219e4f8baee34153ca7a776293d3a1b8fdb0e2b9dbcf7d8ae35612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442b467b51219e4f8baee34153ca7a776293d3a1b8fdb0e2b9dbcf7d8ae35612", kill_on_drop: false }`
[INFO] [stdout] 442b467b51219e4f8baee34153ca7a776293d3a1b8fdb0e2b9dbcf7d8ae35612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4564f6711bd4929790c4ceb7ab4bca5c2e2e444b652c7866327dc234f2f98b8c
[INFO] running `Command { std: "docker" "start" "-a" "4564f6711bd4929790c4ceb7ab4bca5c2e2e444b652c7866327dc234f2f98b8c", kill_on_drop: false }`
[INFO] [stderr]     Checking random-bytes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let n = args[1].trim().clone().parse::<u8>();
[INFO] [stdout]    |                               ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let n = args[1].trim().clone().parse::<u8>();
[INFO] [stdout]    |                               ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "4564f6711bd4929790c4ceb7ab4bca5c2e2e444b652c7866327dc234f2f98b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4564f6711bd4929790c4ceb7ab4bca5c2e2e444b652c7866327dc234f2f98b8c", kill_on_drop: false }`
[INFO] [stdout] 4564f6711bd4929790c4ceb7ab4bca5c2e2e444b652c7866327dc234f2f98b8c
