[INFO] cloning repository https://github.com/on2kly/Rust-random-splitter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/on2kly/Rust-random-splitter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fon2kly%2FRust-random-splitter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fon2kly%2FRust-random-splitter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 950e2d3c51e20f47c9c79ee192eef54fe624b82b
[INFO] checking on2kly/Rust-random-splitter against try#b6bca0d7327839b5e3f7a7779947cb9113d08917+rustflags=-Zstrict-projection-item-bounds for 150662-leaf
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fon2kly%2FRust-random-splitter" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
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[INFO] started tweaking git repo https://github.com/on2kly/Rust-random-splitter
[INFO] finished tweaking git repo https://github.com/on2kly/Rust-random-splitter
[INFO] tweaked toml for git repo https://github.com/on2kly/Rust-random-splitter written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/on2kly/Rust-random-splitter on toolchain b6bca0d7327839b5e3f7a7779947cb9113d08917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/on2kly/Rust-random-splitter 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" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1174bdb01f1fff3881efb268f48bd554c481e8b2122a516aa0d2fb4ae7acccd8
[INFO] running `Command { std: "docker" "start" "-a" "1174bdb01f1fff3881efb268f48bd554c481e8b2122a516aa0d2fb4ae7acccd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1174bdb01f1fff3881efb268f48bd554c481e8b2122a516aa0d2fb4ae7acccd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1174bdb01f1fff3881efb268f48bd554c481e8b2122a516aa0d2fb4ae7acccd8", kill_on_drop: false }`
[INFO] [stdout] 1174bdb01f1fff3881efb268f48bd554c481e8b2122a516aa0d2fb4ae7acccd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Zstrict-projection-item-bounds" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccf81128f064841eba89377bd29dbec2d9b24b4badebc6dd77ef02cfad29432c
[INFO] running `Command { std: "docker" "start" "-a" "ccf81128f064841eba89377bd29dbec2d9b24b4badebc6dd77ef02cfad29432c", kill_on_drop: false }`
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[INFO] [stderr]     Checking wav_random_splitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: ashpd v0.8.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "ccf81128f064841eba89377bd29dbec2d9b24b4badebc6dd77ef02cfad29432c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf81128f064841eba89377bd29dbec2d9b24b4badebc6dd77ef02cfad29432c", kill_on_drop: false }`
[INFO] [stdout] ccf81128f064841eba89377bd29dbec2d9b24b4badebc6dd77ef02cfad29432c