[INFO] cloning repository https://github.com/42iscool42/binomialheap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/42iscool42/binomialheap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42iscool42%2Fbinomialheap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42iscool42%2Fbinomialheap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e017effb6a916c00975fbae0568c6db1b3dd5bb
[INFO] testing 42iscool42/binomialheap against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42iscool42%2Fbinomialheap" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/42iscool42/binomialheap
[INFO] finished tweaking git repo https://github.com/42iscool42/binomialheap
[INFO] tweaked toml for git repo https://github.com/42iscool42/binomialheap written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/42iscool42/binomialheap on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/42iscool42/binomialheap 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7115006cb20b865ebbf2b53b2136940100eb2c187a3bc49d60ff10206d19b8e
[INFO] running `Command { std: "docker" "start" "-a" "a7115006cb20b865ebbf2b53b2136940100eb2c187a3bc49d60ff10206d19b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7115006cb20b865ebbf2b53b2136940100eb2c187a3bc49d60ff10206d19b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7115006cb20b865ebbf2b53b2136940100eb2c187a3bc49d60ff10206d19b8e", kill_on_drop: false }`
[INFO] [stdout] a7115006cb20b865ebbf2b53b2136940100eb2c187a3bc49d60ff10206d19b8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a69d6ab0b3691057bb9a68a25f974d59a09ffbb02342c0e7746e44cfb92c8690
[INFO] running `Command { std: "docker" "start" "-a" "a69d6ab0b3691057bb9a68a25f974d59a09ffbb02342c0e7746e44cfb92c8690", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling datastructures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/binary_heap.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Item<T> {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 8 |     pub value: T,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek`, `pop`, and `percolate_down` are never used
[INFO] [stdout]   --> src/binary_heap.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T> BinaryHeap<T> {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn peek(&self) -> Option<&Item<T>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn pop(&mut self) -> Option<Item<T>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn percolate_down(&mut self, index: usize, weight: f64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop` is never used
[INFO] [stdout]    --> src/binomial_heap.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl<T> BinomialHeap<T> {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 136 |     pub fn pop(&mut self) -> Option<Item<T>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "a69d6ab0b3691057bb9a68a25f974d59a09ffbb02342c0e7746e44cfb92c8690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a69d6ab0b3691057bb9a68a25f974d59a09ffbb02342c0e7746e44cfb92c8690", kill_on_drop: false }`
[INFO] [stdout] a69d6ab0b3691057bb9a68a25f974d59a09ffbb02342c0e7746e44cfb92c8690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f30ed49ff8f048d25764670385b297d5b39c25a32b43165581398490bd28e1e
[INFO] running `Command { std: "docker" "start" "-a" "5f30ed49ff8f048d25764670385b297d5b39c25a32b43165581398490bd28e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling datastructures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]   --> src/binary_heap.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T> BinaryHeap<T> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn peek(&self) -> Option<&Item<T>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "5f30ed49ff8f048d25764670385b297d5b39c25a32b43165581398490bd28e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f30ed49ff8f048d25764670385b297d5b39c25a32b43165581398490bd28e1e", kill_on_drop: false }`
[INFO] [stdout] 5f30ed49ff8f048d25764670385b297d5b39c25a32b43165581398490bd28e1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 286e938076327cbc7aee4627477a8805ff9bad7567eb7535acf4d814406b418b
[INFO] running `Command { std: "docker" "start" "-a" "286e938076327cbc7aee4627477a8805ff9bad7567eb7535acf4d814406b418b", kill_on_drop: false }`
[INFO] [stderr] warning: method `peek` is never used
[INFO] [stderr]   --> src/binary_heap.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl<T> BinaryHeap<T> {
[INFO] [stderr]    | --------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn peek(&self) -> Option<&Item<T>> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `datastructures` (bin "datastructures" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/datastructures-3d93c2c9e24173a6)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test binary_heap::tests::is_empty ... ok
[INFO] [stdout] test binary_heap::tests::length ... ok
[INFO] [stdout] test binary_heap::tests::remove_all ... ok
[INFO] [stdout] test binomial_heap::tests::is_empty ... ok
[INFO] [stdout] test binomial_heap::tests::insert_decreasing ... ok
[INFO] [stdout] test binomial_heap::tests::length ... ok
[INFO] [stdout] test binomial_heap::tests::remove_all ... ok
[INFO] [stdout] test binomial_heap::tests::merge_into_smaller ... ok
[INFO] [stdout] test binomial_heap::tests::merge_into_bigger ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "286e938076327cbc7aee4627477a8805ff9bad7567eb7535acf4d814406b418b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286e938076327cbc7aee4627477a8805ff9bad7567eb7535acf4d814406b418b", kill_on_drop: false }`
[INFO] [stdout] 286e938076327cbc7aee4627477a8805ff9bad7567eb7535acf4d814406b418b
