[INFO] cloning repository https://github.com/RaphaelDarley/quadrille
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RaphaelDarley/quadrille" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaphaelDarley%2Fquadrille", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaphaelDarley%2Fquadrille'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0bea20463af43f63caafdb21a3140211161b9b8
[INFO] checking RaphaelDarley/quadrille against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaphaelDarley%2Fquadrille" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RaphaelDarley/quadrille
[INFO] finished tweaking git repo https://github.com/RaphaelDarley/quadrille
[INFO] tweaked toml for git repo https://github.com/RaphaelDarley/quadrille written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RaphaelDarley/quadrille on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RaphaelDarley/quadrille 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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c889ef281851901a15a0247a420505ec8a5945a9157859fd7797dfc7c2bfbc5
[INFO] running `Command { std: "docker" "start" "-a" "4c889ef281851901a15a0247a420505ec8a5945a9157859fd7797dfc7c2bfbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c889ef281851901a15a0247a420505ec8a5945a9157859fd7797dfc7c2bfbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c889ef281851901a15a0247a420505ec8a5945a9157859fd7797dfc7c2bfbc5", kill_on_drop: false }`
[INFO] [stdout] 4c889ef281851901a15a0247a420505ec8a5945a9157859fd7797dfc7c2bfbc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe800e83a41046c8a2fb496235faddfc757cd35de76e138bb3441aa355a829a2
[INFO] running `Command { std: "docker" "start" "-a" "fe800e83a41046c8a2fb496235faddfc757cd35de76e138bb3441aa355a829a2", kill_on_drop: false }`
[INFO] [stderr]     Checking quadrille v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `naive_btree::NaiveBTree`
[INFO] [stdout]  --> src/stores/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use naive_btree::NaiveBTree;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `swap` are never used
[INFO] [stdout]   --> src/lib.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl<T> AtomicRoot<T> {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn get(&self) -> Arc<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn swap(&self, val: Arc<T>) -> Arc<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NaiveBTree` is never constructed
[INFO] [stdout]  --> src/stores/naive_btree.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct NaiveBTree(BTreeMap<Vec<u8>, Vec<u8>>);
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/test.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut tx_b = kv.transaction();
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut tx_c = kv.transaction();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `swap` are never used
[INFO] [stdout]   --> src/lib.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl<T> AtomicRoot<T> {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn get(&self) -> Arc<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn swap(&self, val: Arc<T>) -> Arc<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 `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "fe800e83a41046c8a2fb496235faddfc757cd35de76e138bb3441aa355a829a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe800e83a41046c8a2fb496235faddfc757cd35de76e138bb3441aa355a829a2", kill_on_drop: false }`
[INFO] [stdout] fe800e83a41046c8a2fb496235faddfc757cd35de76e138bb3441aa355a829a2
