[INFO] cloning repository https://github.com/ParkinWu/search_tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ParkinWu/search_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkinWu%2Fsearch_tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkinWu%2Fsearch_tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1150f31d3a8e45ad85e0cf6389803ddb6d371521 [INFO] checking ParkinWu/search_tree against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkinWu%2Fsearch_tree" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ParkinWu/search_tree on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ParkinWu/search_tree [INFO] finished tweaking git repo https://github.com/ParkinWu/search_tree [INFO] tweaked toml for git repo https://github.com/ParkinWu/search_tree written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ParkinWu/search_tree 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.15 [INFO] [stderr] Downloaded time v0.1.35 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24fe01967e608a8aeba119a2b487cf217fee8c2a46640115e7360ee8f44c71a1 [INFO] running `Command { std: "docker" "start" "-a" "24fe01967e608a8aeba119a2b487cf217fee8c2a46640115e7360ee8f44c71a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24fe01967e608a8aeba119a2b487cf217fee8c2a46640115e7360ee8f44c71a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24fe01967e608a8aeba119a2b487cf217fee8c2a46640115e7360ee8f44c71a1", kill_on_drop: false }` [INFO] [stdout] 24fe01967e608a8aeba119a2b487cf217fee8c2a46640115e7360ee8f44c71a1 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02c04eaecb9c0c0a4c51979f1ef1d1b0e6aadd2e5d335bc5adf654d408432c38 [INFO] running `Command { std: "docker" "start" "-a" "02c04eaecb9c0c0a4c51979f1ef1d1b0e6aadd2e5d335bc5adf654d408432c38", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking libc v0.2.15 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking time v0.1.35 [INFO] [stderr] Checking binary_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Formatter` [INFO] [stdout] --> src/main.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::{ Debug, Formatter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Formatter` [INFO] [stdout] --> src/main.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::{ Debug, Formatter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `take_next` is never used [INFO] [stdout] --> src/main.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 50 | impl Node { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 58 | fn take_next(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `pop_back`, `push_front`, `pop_front`, and `iter` are never used [INFO] [stdout] --> src/main.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 73 | impl LinedList { [INFO] [stdout] | -------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 90 | fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn push_front(&mut self, elem: T) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | fn pop_front(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 127 | fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Iter` is never constructed [INFO] [stdout] --> src/main.rs:159:8 [INFO] [stdout] | [INFO] [stdout] 159 | struct Iter<'a, T: 'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tail` is never read [INFO] [stdout] --> src/main.rs:183:5 [INFO] [stdout] | [INFO] [stdout] 181 | struct IterMut<'a, T: 'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 182 | head: Raw, [INFO] [stdout] 183 | tail: Raw, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IterMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/main.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 73 | impl LinedList { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 127 | fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Iter` is never constructed [INFO] [stdout] --> src/main.rs:159:8 [INFO] [stdout] | [INFO] [stdout] 159 | struct Iter<'a, T: 'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tail` is never read [INFO] [stdout] --> src/main.rs:183:5 [INFO] [stdout] | [INFO] [stdout] 181 | struct IterMut<'a, T: 'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 182 | head: Raw, [INFO] [stdout] 183 | tail: Raw, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IterMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `Command { std: "docker" "inspect" "02c04eaecb9c0c0a4c51979f1ef1d1b0e6aadd2e5d335bc5adf654d408432c38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02c04eaecb9c0c0a4c51979f1ef1d1b0e6aadd2e5d335bc5adf654d408432c38", kill_on_drop: false }` [INFO] [stdout] 02c04eaecb9c0c0a4c51979f1ef1d1b0e6aadd2e5d335bc5adf654d408432c38 [INFO] checking ParkinWu/search_tree against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkinWu%2Fsearch_tree" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ParkinWu/search_tree on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ParkinWu/search_tree [INFO] finished tweaking git repo https://github.com/ParkinWu/search_tree [INFO] tweaked toml for git repo https://github.com/ParkinWu/search_tree written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ParkinWu/search_tree 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8afc2da7c414673f1a18564e78c011ab1827d234427a734216b0ff3e0ee4af7d [INFO] running `Command { std: "docker" "start" "-a" "8afc2da7c414673f1a18564e78c011ab1827d234427a734216b0ff3e0ee4af7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8afc2da7c414673f1a18564e78c011ab1827d234427a734216b0ff3e0ee4af7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8afc2da7c414673f1a18564e78c011ab1827d234427a734216b0ff3e0ee4af7d", kill_on_drop: false }` [INFO] [stdout] 8afc2da7c414673f1a18564e78c011ab1827d234427a734216b0ff3e0ee4af7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eac5838271eb6e631c210651c599905f5ff2b7a2c122427ac870da5251f13cfd [INFO] running `Command { std: "docker" "start" "-a" "eac5838271eb6e631c210651c599905f5ff2b7a2c122427ac870da5251f13cfd", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking libc v0.2.15 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking time v0.1.35 [INFO] [stderr] Checking binary_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Formatter` [INFO] [stdout] --> src/main.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::{ Debug, Formatter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Formatter` [INFO] [stdout] --> src/main.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::{ Debug, Formatter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `take_next` is never used [INFO] [stdout] --> src/main.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 50 | impl Node { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 58 | fn take_next(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `pop_back`, `push_front`, `pop_front`, and `iter` are never used [INFO] [stdout] --> src/main.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 73 | impl LinedList { [INFO] [stdout] | -------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 90 | fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn push_front(&mut self, elem: T) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | fn pop_front(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 127 | fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Iter` is never constructed [INFO] [stdout] --> src/main.rs:159:8 [INFO] [stdout] | [INFO] [stdout] 159 | struct Iter<'a, T: 'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tail` is never read [INFO] [stdout] --> src/main.rs:183:5 [INFO] [stdout] | [INFO] [stdout] 181 | struct IterMut<'a, T: 'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 182 | head: Raw, [INFO] [stdout] 183 | tail: Raw, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IterMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/main.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 73 | impl LinedList { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 127 | fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Iter` is never constructed [INFO] [stdout] --> src/main.rs:159:8 [INFO] [stdout] | [INFO] [stdout] 159 | struct Iter<'a, T: 'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tail` is never read [INFO] [stdout] --> src/main.rs:183:5 [INFO] [stdout] | [INFO] [stdout] 181 | struct IterMut<'a, T: 'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 182 | head: Raw, [INFO] [stdout] 183 | tail: Raw, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IterMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `Command { std: "docker" "inspect" "eac5838271eb6e631c210651c599905f5ff2b7a2c122427ac870da5251f13cfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eac5838271eb6e631c210651c599905f5ff2b7a2c122427ac870da5251f13cfd", kill_on_drop: false }` [INFO] [stdout] eac5838271eb6e631c210651c599905f5ff2b7a2c122427ac870da5251f13cfd