[INFO] cloning repository https://github.com/clavinsh/winnie_pooh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clavinsh/winnie_pooh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclavinsh%2Fwinnie_pooh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclavinsh%2Fwinnie_pooh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] affb999875988af1acc4049104d5a46207376089
[INFO] checking clavinsh/winnie_pooh against try#5f6abd89da253a562ad85d235b9342a3ac336c28 for pr-156114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclavinsh%2Fwinnie_pooh" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/clavinsh/winnie_pooh
[INFO] finished tweaking git repo https://github.com/clavinsh/winnie_pooh
[INFO] tweaked toml for git repo https://github.com/clavinsh/winnie_pooh written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/clavinsh/winnie_pooh on toolchain 5f6abd89da253a562ad85d235b9342a3ac336c28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/clavinsh/winnie_pooh 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" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f14d77e20ee4cd3efe683ff3cf1d4f6c18be5cf910d3bc10458aa3ef6c6e8ab8
[INFO] running `Command { std: "docker" "start" "-a" "f14d77e20ee4cd3efe683ff3cf1d4f6c18be5cf910d3bc10458aa3ef6c6e8ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f14d77e20ee4cd3efe683ff3cf1d4f6c18be5cf910d3bc10458aa3ef6c6e8ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14d77e20ee4cd3efe683ff3cf1d4f6c18be5cf910d3bc10458aa3ef6c6e8ab8", kill_on_drop: false }`
[INFO] [stdout] f14d77e20ee4cd3efe683ff3cf1d4f6c18be5cf910d3bc10458aa3ef6c6e8ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fc4d9418e4698cfbfdf882a8baf087f3f58a25af9d3f4b18b117982606c9277
[INFO] running `Command { std: "docker" "start" "-a" "6fc4d9418e4698cfbfdf882a8baf087f3f58a25af9d3f4b18b117982606c9277", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking winnie_pooh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `next_expect`, `next_expect_options`, `next_expect_str`, `starts_with`, `parse_name`, and `parsing_error` are never used
[INFO] [stdout]    --> src/parser.rs:27:12
[INFO] [stdout]     |
[INFO] [stdout]   6 | impl Parser {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  27 |     pub fn next_expect(&mut self, expected_char: char) -> char {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 |     pub fn next_expect_options(&mut self, expected_chars: &str) -> char {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     pub fn next_expect_str(&mut self, s: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     pub fn starts_with(&self, s: &str) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn parse_name(&mut self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn parsing_error(&self, reason: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_equal` is never used
[INFO] [stdout]   --> src/winnie_pooh.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Edge {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 19 |     pub fn is_equal(&self, other: &Self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `invert_edge_weights`, `sort_by_weight_asc`, and `randomize` are never used
[INFO] [stdout]    --> src/winnie_pooh.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl Graph {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn invert_edge_weights(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn sort_by_weight_asc(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn randomize(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_graphs` is never used
[INFO] [stdout]    --> src/winnie_pooh.rs:294:8
[INFO] [stdout]     |
[INFO] [stdout] 294 | pub fn combine_graphs(graph_a: &mut Graph, graph_b: &Graph) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next_expect`, `next_expect_options`, `next_expect_str`, `starts_with`, `parse_name`, and `parsing_error` are never used
[INFO] [stdout]    --> src/parser.rs:27:12
[INFO] [stdout]     |
[INFO] [stdout]   6 | impl Parser {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  27 |     pub fn next_expect(&mut self, expected_char: char) -> char {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 |     pub fn next_expect_options(&mut self, expected_chars: &str) -> char {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     pub fn next_expect_str(&mut self, s: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     pub fn starts_with(&self, s: &str) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn parse_name(&mut self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn parsing_error(&self, reason: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_equal` is never used
[INFO] [stdout]   --> src/winnie_pooh.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Edge {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 19 |     pub fn is_equal(&self, other: &Self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `invert_edge_weights`, `sort_by_weight_asc`, and `randomize` are never used
[INFO] [stdout]    --> src/winnie_pooh.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl Graph {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn invert_edge_weights(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn sort_by_weight_asc(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn randomize(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_graphs` is never used
[INFO] [stdout]    --> src/winnie_pooh.rs:294:8
[INFO] [stdout]     |
[INFO] [stdout] 294 | pub fn combine_graphs(graph_a: &mut Graph, graph_b: &Graph) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "6fc4d9418e4698cfbfdf882a8baf087f3f58a25af9d3f4b18b117982606c9277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc4d9418e4698cfbfdf882a8baf087f3f58a25af9d3f4b18b117982606c9277", kill_on_drop: false }`
[INFO] [stdout] 6fc4d9418e4698cfbfdf882a8baf087f3f58a25af9d3f4b18b117982606c9277
