[INFO] cloning repository https://github.com/ollef/measured-splay-tree.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ollef/measured-splay-tree.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Follef%2Fmeasured-splay-tree.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Follef%2Fmeasured-splay-tree.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 87238b3b7806ea48b05f521cb805ca885e77397a [INFO] checking ollef/measured-splay-tree.rs against try#0c70cfbec949d241375e31c5a42066be70c720fc for pr-149681 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Follef%2Fmeasured-splay-tree.rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ollef/measured-splay-tree.rs [INFO] finished tweaking git repo https://github.com/ollef/measured-splay-tree.rs [INFO] tweaked toml for git repo https://github.com/ollef/measured-splay-tree.rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ollef/measured-splay-tree.rs on toolchain 0c70cfbec949d241375e31c5a42066be70c720fc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ollef/measured-splay-tree.rs 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" "+0c70cfbec949d241375e31c5a42066be70c720fc" "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] [stderr] Blocking waiting for file lock on package cache [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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b3c2fb27d383b364d3a7153ccd710af4d76c7c60f56b438f7fc6785041381b1 [INFO] running `Command { std: "docker" "start" "-a" "4b3c2fb27d383b364d3a7153ccd710af4d76c7c60f56b438f7fc6785041381b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b3c2fb27d383b364d3a7153ccd710af4d76c7c60f56b438f7fc6785041381b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b3c2fb27d383b364d3a7153ccd710af4d76c7c60f56b438f7fc6785041381b1", kill_on_drop: false }` [INFO] [stdout] 4b3c2fb27d383b364d3a7153ccd710af4d76c7c60f56b438f7fc6785041381b1 [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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c01c7ea7f2b89b2504d629493e0eea2834de8a329bb204d1f14271b2f05230d [INFO] running `Command { std: "docker" "start" "-a" "7c01c7ea7f2b89b2504d629493e0eea2834de8a329bb204d1f14271b2f05230d", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking measured-splay-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `SplitResult` is never used [INFO] [stdout] --> src/main.rs:36:6 [INFO] [stdout] | [INFO] [stdout] 36 | enum SplitResult { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_empty` and `split` are never used [INFO] [stdout] --> src/main.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 78 | impl> SplayTree { [INFO] [stdout] | ----------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 148 | fn split bool>(self, pred: F) -> SplitResult { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `chars` is never used [INFO] [stdout] --> src/main.rs:437:8 [INFO] [stdout] | [INFO] [stdout] 415 | impl Rope { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 437 | fn chars<'a>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:197:13 [INFO] [stdout] | [INFO] [stdout] 197 | fn iter(&self) -> SplayTreeIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 197 | fn iter(&self) -> SplayTreeIterator<'_, M, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `SplitResult` is never used [INFO] [stdout] --> src/main.rs:36:6 [INFO] [stdout] | [INFO] [stdout] 36 | enum SplitResult { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_empty` and `split` are never used [INFO] [stdout] --> src/main.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 78 | impl> SplayTree { [INFO] [stdout] | ----------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 148 | fn split bool>(self, pred: F) -> SplitResult { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `chars` is never used [INFO] [stdout] --> src/main.rs:437:8 [INFO] [stdout] | [INFO] [stdout] 415 | impl Rope { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 437 | fn chars<'a>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:197:13 [INFO] [stdout] | [INFO] [stdout] 197 | fn iter(&self) -> SplayTreeIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 197 | fn iter(&self) -> SplayTreeIterator<'_, M, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.16s [INFO] running `Command { std: "docker" "inspect" "7c01c7ea7f2b89b2504d629493e0eea2834de8a329bb204d1f14271b2f05230d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c01c7ea7f2b89b2504d629493e0eea2834de8a329bb204d1f14271b2f05230d", kill_on_drop: false }` [INFO] [stdout] 7c01c7ea7f2b89b2504d629493e0eea2834de8a329bb204d1f14271b2f05230d