[INFO] cloning repository https://github.com/121601571/rust_dicttree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/121601571/rust_dicttree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F121601571%2Frust_dicttree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F121601571%2Frust_dicttree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4cdd1d20ccfb8525bf564fb69206df89d54031bf [INFO] checking 121601571/rust_dicttree against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F121601571%2Frust_dicttree" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/121601571/rust_dicttree on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/121601571/rust_dicttree [INFO] finished tweaking git repo https://github.com/121601571/rust_dicttree [INFO] tweaked toml for git repo https://github.com/121601571/rust_dicttree written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/121601571/rust_dicttree 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 123 packages [INFO] [stderr] Adding addr2line v0.21.0 [INFO] [stderr] Adding adler v1.0.2 [INFO] [stderr] Adding aho-corasick v1.1.3 [INFO] [stderr] Adding android-tzdata v0.1.1 [INFO] [stderr] Adding android_system_properties v0.1.5 [INFO] [stderr] Adding ansi_term v0.12.1 [INFO] [stderr] Adding async-stream v0.3.5 [INFO] [stderr] Adding async-stream-impl v0.3.5 [INFO] [stderr] Adding atoi v0.3.3 (latest: v2.0.0) [INFO] [stderr] Adding atty v0.2.14 [INFO] [stderr] Adding autocfg v1.2.0 [INFO] [stderr] Adding backtrace v0.3.71 [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bumpalo v3.15.4 [INFO] [stderr] Adding bytes v1.6.0 [INFO] [stderr] Adding cc v1.0.90 [INFO] [stderr] Adding cfg-if v1.0.0 [INFO] [stderr] Adding chrono v0.4.37 [INFO] [stderr] Adding clap v2.34.0 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v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.52.4 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mini-redis v0.4.1 [INFO] [stderr] Downloaded atoi v0.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec2e3e674865ec7a88a5c78e81e9bb92ca4cd89c96169e666efc7a29d6ad6f89 [INFO] running `Command { std: "docker" "start" "-a" "ec2e3e674865ec7a88a5c78e81e9bb92ca4cd89c96169e666efc7a29d6ad6f89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec2e3e674865ec7a88a5c78e81e9bb92ca4cd89c96169e666efc7a29d6ad6f89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec2e3e674865ec7a88a5c78e81e9bb92ca4cd89c96169e666efc7a29d6ad6f89", kill_on_drop: false }` [INFO] [stdout] ec2e3e674865ec7a88a5c78e81e9bb92ca4cd89c96169e666efc7a29d6ad6f89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4651c9a051e3f6b76ee46579cdc5762b7647a081a99d11bc3f7292f7b28e7fe8 [INFO] running `Command { std: "docker" "start" "-a" "4651c9a051e3f6b76ee46579cdc5762b7647a081a99d11bc3f7292f7b28e7fe8", kill_on_drop: false }` [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking atoi v0.3.3 [INFO] [stderr] Checking tracing-serde v0.1.3 [INFO] [stderr] Checking tracing-log v0.1.4 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking tokio-stream v0.1.15 [INFO] [stderr] Checking mini-redis v0.4.1 [INFO] [stderr] Checking dict_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:25 [INFO] [stdout] | [INFO] [stdout] 137 | let mut node1 = self.iter_value_node(input[0]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:25 [INFO] [stdout] | [INFO] [stdout] 137 | let mut node1 = self.iter_value_node(input[0]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:25 [INFO] [stdout] | [INFO] [stdout] 137 | let mut node1 = self.iter_value_node(input[0]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyTree` is never constructed [INFO] [stdout] --> src/lib.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct MyTree { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl MyTree { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 11 | fn contains_value(&self, input: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn find_suffix(&mut self, input: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn iter_self_values_dry(&self) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | fn iter_self_values(&self, contains_self: bool) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 99 | fn iter_value_node(&mut self, input: char) -> &mut MyTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | pub fn new(node_val: char, ep: bool) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | pub fn contains_whole(&mut self, input: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | pub fn add_chars(&mut self, input: Vec) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `random_gen` is never used [INFO] [stdout] --> src/mass_test.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn random_gen() -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mass_gen` is never used [INFO] [stdout] --> src/mass_test.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn mass_gen(sum1: u32) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:25 [INFO] [stdout] | [INFO] [stdout] 137 | let mut node1 = self.iter_value_node(input[0]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyTree` is never constructed [INFO] [stdout] --> src/lib.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct MyTree { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl MyTree { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 11 | fn contains_value(&self, input: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn find_suffix(&mut self, input: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn iter_self_values_dry(&self) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | fn iter_self_values(&self, contains_self: bool) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 99 | fn iter_value_node(&mut self, input: char) -> &mut MyTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | pub fn new(node_val: char, ep: bool) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | pub fn contains_whole(&mut self, input: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | pub fn add_chars(&mut self, input: Vec) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `random_gen` is never used [INFO] [stdout] --> src/mass_test.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn random_gen() -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mass_gen` is never used [INFO] [stdout] --> src/mass_test.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn mass_gen(sum1: u32) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.57s [INFO] running `Command { std: "docker" "inspect" "4651c9a051e3f6b76ee46579cdc5762b7647a081a99d11bc3f7292f7b28e7fe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4651c9a051e3f6b76ee46579cdc5762b7647a081a99d11bc3f7292f7b28e7fe8", kill_on_drop: false }` [INFO] [stdout] 4651c9a051e3f6b76ee46579cdc5762b7647a081a99d11bc3f7292f7b28e7fe8 [INFO] checking 121601571/rust_dicttree against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F121601571%2Frust_dicttree" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/121601571/rust_dicttree on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/121601571/rust_dicttree [INFO] finished tweaking git repo https://github.com/121601571/rust_dicttree [INFO] tweaked toml for git repo https://github.com/121601571/rust_dicttree written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/121601571/rust_dicttree 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7465930d5f459f84a642db752e3da4cf90a83faefb0f66f157d84d19be5eeff6 [INFO] running `Command { std: "docker" "start" "-a" "7465930d5f459f84a642db752e3da4cf90a83faefb0f66f157d84d19be5eeff6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7465930d5f459f84a642db752e3da4cf90a83faefb0f66f157d84d19be5eeff6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7465930d5f459f84a642db752e3da4cf90a83faefb0f66f157d84d19be5eeff6", kill_on_drop: false }` [INFO] [stdout] 7465930d5f459f84a642db752e3da4cf90a83faefb0f66f157d84d19be5eeff6 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6bb27b0cd13eab83e2433a102625d602c3ff61a9ed37d8a877b6a18e2fd07dd [INFO] running `Command { std: "docker" "start" "-a" "e6bb27b0cd13eab83e2433a102625d602c3ff61a9ed37d8a877b6a18e2fd07dd", kill_on_drop: false }` [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking atoi v0.3.3 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking tracing-log v0.1.4 [INFO] [stderr] Checking tracing-serde v0.1.3 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tokio-stream v0.1.15 [INFO] [stderr] Checking mini-redis v0.4.1 [INFO] [stderr] Checking dict_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:25 [INFO] [stdout] | [INFO] [stdout] 137 | let mut node1 = self.iter_value_node(input[0]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:25 [INFO] [stdout] | [INFO] [stdout] 137 | let mut node1 = self.iter_value_node(input[0]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:25 [INFO] [stdout] | [INFO] [stdout] 137 | let mut node1 = self.iter_value_node(input[0]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyTree` is never constructed [INFO] [stdout] --> src/lib.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct MyTree { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl MyTree { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 11 | fn contains_value(&self, input: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn find_suffix(&mut self, input: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn iter_self_values_dry(&self) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | fn iter_self_values(&self, contains_self: bool) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 99 | fn iter_value_node(&mut self, input: char) -> &mut MyTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | pub fn new(node_val: char, ep: bool) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | pub fn contains_whole(&mut self, input: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | pub fn add_chars(&mut self, input: Vec) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `random_gen` is never used [INFO] [stdout] --> src/mass_test.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn random_gen() -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mass_gen` is never used [INFO] [stdout] --> src/mass_test.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn mass_gen(sum1: u32) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let mut res = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:25 [INFO] [stdout] | [INFO] [stdout] 137 | let mut node1 = self.iter_value_node(input[0]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyTree` is never constructed [INFO] [stdout] --> src/lib.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct MyTree { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MyTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl MyTree { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 11 | fn contains_value(&self, input: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn find_suffix(&mut self, input: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn iter_self_values_dry(&self) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | fn iter_self_values(&self, contains_self: bool) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 99 | fn iter_value_node(&mut self, input: char) -> &mut MyTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | pub fn new(node_val: char, ep: bool) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | pub fn contains_whole(&mut self, input: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | pub fn add_chars(&mut self, input: Vec) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `random_gen` is never used [INFO] [stdout] --> src/mass_test.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn random_gen() -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mass_gen` is never used [INFO] [stdout] --> src/mass_test.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn mass_gen(sum1: u32) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.52s [INFO] running `Command { std: "docker" "inspect" "e6bb27b0cd13eab83e2433a102625d602c3ff61a9ed37d8a877b6a18e2fd07dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6bb27b0cd13eab83e2433a102625d602c3ff61a9ed37d8a877b6a18e2fd07dd", kill_on_drop: false }` [INFO] [stdout] e6bb27b0cd13eab83e2433a102625d602c3ff61a9ed37d8a877b6a18e2fd07dd