[INFO] cloning repository https://github.com/AlixFachin/rust-data-structures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlixFachin/rust-data-structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlixFachin%2Frust-data-structures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlixFachin%2Frust-data-structures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c22c73c29da760048ac8475dfce2d1f1f0ad6721
[INFO] testing AlixFachin/rust-data-structures against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlixFachin%2Frust-data-structures" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlixFachin/rust-data-structures
[INFO] finished tweaking git repo https://github.com/AlixFachin/rust-data-structures
[INFO] tweaked toml for git repo https://github.com/AlixFachin/rust-data-structures written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlixFachin/rust-data-structures on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlixFachin/rust-data-structures 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b660d731e6dc921aa25f1e893233d0603335f31dfe9b98e058e4c1322badef0a
[INFO] running `Command { std: "docker" "start" "-a" "b660d731e6dc921aa25f1e893233d0603335f31dfe9b98e058e4c1322badef0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b660d731e6dc921aa25f1e893233d0603335f31dfe9b98e058e4c1322badef0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b660d731e6dc921aa25f1e893233d0603335f31dfe9b98e058e4c1322badef0a", kill_on_drop: false }`
[INFO] [stdout] b660d731e6dc921aa25f1e893233d0603335f31dfe9b98e058e4c1322badef0a
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3182602cb91b2c1392cf434d891307e6524a799c2639054c08c2eff43f1679ff
[INFO] running `Command { std: "docker" "start" "-a" "3182602cb91b2c1392cf434d891307e6524a799c2639054c08c2eff43f1679ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling data-struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]  --> src/graphe.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     path::Path,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut g: SimpleGraphe<char> = SimpleGraphe::new(5, &connections, true);
[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: function `test_linked_list` is never used
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn test_linked_list() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_trees` is never used
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn test_trees() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/graphe.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct SimpleGraphe<T: Display + Clone + PartialEq + Eq + Hash + Copy> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 10 |     // Number of nodes
[INFO] [stdout] 11 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/graphe.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub struct DirectedWeightedGraphe<T: Eq + PartialEq + Hash + Copy + Display + Debug> {
[INFO] [stdout]    |            ---------------------- field in this struct
[INFO] [stdout] 92 |     // number of edges
[INFO] [stdout] 93 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `addOtherDirection` should have a snake case name
[INFO] [stdout]    --> src/graphe.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         addOtherDirection: bool
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `add_other_direction`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "3182602cb91b2c1392cf434d891307e6524a799c2639054c08c2eff43f1679ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3182602cb91b2c1392cf434d891307e6524a799c2639054c08c2eff43f1679ff", kill_on_drop: false }`
[INFO] [stdout] 3182602cb91b2c1392cf434d891307e6524a799c2639054c08c2eff43f1679ff
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffb6fa4ceac210b78d77be84d4c3382437f550f3e4003b70e5cf6d43ef714c8a
[INFO] running `Command { std: "docker" "start" "-a" "ffb6fa4ceac210b78d77be84d4c3382437f550f3e4003b70e5cf6d43ef714c8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling data-struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]  --> src/graphe.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     path::Path,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut g: SimpleGraphe<char> = SimpleGraphe::new(5, &connections, true);
[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: function `test_linked_list` is never used
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn test_linked_list() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_trees` is never used
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn test_trees() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/graphe.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct SimpleGraphe<T: Display + Clone + PartialEq + Eq + Hash + Copy> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 10 |     // Number of nodes
[INFO] [stdout] 11 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/graphe.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub struct DirectedWeightedGraphe<T: Eq + PartialEq + Hash + Copy + Display + Debug> {
[INFO] [stdout]    |            ---------------------- field in this struct
[INFO] [stdout] 92 |     // number of edges
[INFO] [stdout] 93 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `addOtherDirection` should have a snake case name
[INFO] [stdout]    --> src/graphe.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         addOtherDirection: bool
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `add_other_direction`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "ffb6fa4ceac210b78d77be84d4c3382437f550f3e4003b70e5cf6d43ef714c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb6fa4ceac210b78d77be84d4c3382437f550f3e4003b70e5cf6d43ef714c8a", kill_on_drop: false }`
[INFO] [stdout] ffb6fa4ceac210b78d77be84d4c3382437f550f3e4003b70e5cf6d43ef714c8a
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc77bd2ace7e3266488192e6ecf3d0c1cea296d55a73c1555a2fc34331a968c4
[INFO] running `Command { std: "docker" "start" "-a" "dc77bd2ace7e3266488192e6ecf3d0c1cea296d55a73c1555a2fc34331a968c4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `path::Path`
[INFO] [stderr]  --> src/graphe.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     path::Path,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut g: SimpleGraphe<char> = SimpleGraphe::new(5, &connections, true);
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_linked_list` is never used
[INFO] [stderr]   --> src/main.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn test_linked_list() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_trees` is never used
[INFO] [stderr]   --> src/main.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn test_trees() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `size` is never read
[INFO] [stderr]   --> src/graphe.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub struct SimpleGraphe<T: Display + Clone + PartialEq + Eq + Hash + Copy> {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 10 |     // Number of nodes
[INFO] [stderr] 11 |     size: usize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `size` is never read
[INFO] [stderr]   --> src/graphe.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub struct DirectedWeightedGraphe<T: Eq + PartialEq + Hash + Copy + Display + Debug> {
[INFO] [stderr]    |            ---------------------- field in this struct
[INFO] [stderr] 92 |     // number of edges
[INFO] [stderr] 93 |     size: usize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `addOtherDirection` should have a snake case name
[INFO] [stderr]    --> src/graphe.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         addOtherDirection: bool
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `add_other_direction`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `data-struct` (bin "data-struct" test) generated 7 warnings (run `cargo fix --bin "data-struct" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/data_struct-366975e7b7eb7f17)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc77bd2ace7e3266488192e6ecf3d0c1cea296d55a73c1555a2fc34331a968c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc77bd2ace7e3266488192e6ecf3d0c1cea296d55a73c1555a2fc34331a968c4", kill_on_drop: false }`
[INFO] [stdout] dc77bd2ace7e3266488192e6ecf3d0c1cea296d55a73c1555a2fc34331a968c4
