[INFO] cloning repository https://github.com/Manonox/intellectual_prikols
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Manonox/intellectual_prikols" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManonox%2Fintellectual_prikols", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManonox%2Fintellectual_prikols'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7b2569baca7af706eeb6605daf2745d007105f7
[INFO] checking Manonox/intellectual_prikols against master#568b11762723b001bfa693d0f21c5dad01d4e813 for pr-148190
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManonox%2Fintellectual_prikols" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Manonox/intellectual_prikols
[INFO] finished tweaking git repo https://github.com/Manonox/intellectual_prikols
[INFO] tweaked toml for git repo https://github.com/Manonox/intellectual_prikols written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Manonox/intellectual_prikols on toolchain 568b11762723b001bfa693d0f21c5dad01d4e813
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Manonox/intellectual_prikols 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" "+568b11762723b001bfa693d0f21c5dad01d4e813" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slab_tree v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0746efb2f3ffd3cf8d81fdf7c6cfd0835232478c737f2ce4cb51b76561855ef5
[INFO] running `Command { std: "docker" "start" "-a" "0746efb2f3ffd3cf8d81fdf7c6cfd0835232478c737f2ce4cb51b76561855ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0746efb2f3ffd3cf8d81fdf7c6cfd0835232478c737f2ce4cb51b76561855ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0746efb2f3ffd3cf8d81fdf7c6cfd0835232478c737f2ce4cb51b76561855ef5", kill_on_drop: false }`
[INFO] [stdout] 0746efb2f3ffd3cf8d81fdf7c6cfd0835232478c737f2ce4cb51b76561855ef5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 852c19a07049c3baf11da55fbcb8637cfbc3ebaba5eb3a769a9be4c82c5bdd3e
[INFO] running `Command { std: "docker" "start" "-a" "852c19a07049c3baf11da55fbcb8637cfbc3ebaba5eb3a769a9be4c82c5bdd3e", kill_on_drop: false }`
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking slab_tree v0.3.2
[INFO] [stderr]     Checking lab1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `middle_value_option` is never read
[INFO] [stdout]   --> src/bfs.rs:64:35
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut middle_value_option = None;
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normal` is never used
[INFO] [stdout]  --> src/bfs.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn normal(start: i32, target: i32, functions: &Vec<fn(i32) -> i32>) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `middle_value_option` is never read
[INFO] [stdout]   --> src/bfs.rs:64:35
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut middle_value_option = None;
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normal` is never used
[INFO] [stdout]  --> src/bfs.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn normal(start: i32, target: i32, functions: &Vec<fn(i32) -> i32>) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "852c19a07049c3baf11da55fbcb8637cfbc3ebaba5eb3a769a9be4c82c5bdd3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852c19a07049c3baf11da55fbcb8637cfbc3ebaba5eb3a769a9be4c82c5bdd3e", kill_on_drop: false }`
[INFO] [stdout] 852c19a07049c3baf11da55fbcb8637cfbc3ebaba5eb3a769a9be4c82c5bdd3e