[INFO] cloning repository https://github.com/Aguirregzz97/doubly-linked-list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aguirregzz97/doubly-linked-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAguirregzz97%2Fdoubly-linked-list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAguirregzz97%2Fdoubly-linked-list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 274972e6a40322bc4fe16c143cb817c3a28bb8a7
[INFO] testing Aguirregzz97/doubly-linked-list 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%2FAguirregzz97%2Fdoubly-linked-list" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aguirregzz97/doubly-linked-list
[INFO] finished tweaking git repo https://github.com/Aguirregzz97/doubly-linked-list
[INFO] tweaked toml for git repo https://github.com/Aguirregzz97/doubly-linked-list written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aguirregzz97/doubly-linked-list 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/Aguirregzz97/doubly-linked-list 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3f3620cb14102004fa6f0e1eb00b369615a090340a089a50c8406a24d3dd0035
[INFO] running `Command { std: "docker" "start" "-a" "3f3620cb14102004fa6f0e1eb00b369615a090340a089a50c8406a24d3dd0035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3620cb14102004fa6f0e1eb00b369615a090340a089a50c8406a24d3dd0035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3620cb14102004fa6f0e1eb00b369615a090340a089a50c8406a24d3dd0035", kill_on_drop: false }`
[INFO] [stdout] 3f3620cb14102004fa6f0e1eb00b369615a090340a089a50c8406a24d3dd0035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9af771ea875cb93faf3bc1d6e20d8bd2a2b21036d0222d508642a7227551c312
[INFO] running `Command { std: "docker" "start" "-a" "9af771ea875cb93faf3bc1d6e20d8bd2a2b21036d0222d508642a7227551c312", kill_on_drop: false }`
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/doubly_linked_list/list.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/doubly_linked_list/list.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "9af771ea875cb93faf3bc1d6e20d8bd2a2b21036d0222d508642a7227551c312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af771ea875cb93faf3bc1d6e20d8bd2a2b21036d0222d508642a7227551c312", kill_on_drop: false }`
[INFO] [stdout] 9af771ea875cb93faf3bc1d6e20d8bd2a2b21036d0222d508642a7227551c312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b0a1e176f6256ac6cd2c24e04f72ea0236fbd310b1944889924c7e5864c5e642
[INFO] running `Command { std: "docker" "start" "-a" "b0a1e176f6256ac6cd2c24e04f72ea0236fbd310b1944889924c7e5864c5e642", kill_on_drop: false }`
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/doubly_linked_list/list.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/doubly_linked_list/list.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "b0a1e176f6256ac6cd2c24e04f72ea0236fbd310b1944889924c7e5864c5e642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a1e176f6256ac6cd2c24e04f72ea0236fbd310b1944889924c7e5864c5e642", kill_on_drop: false }`
[INFO] [stdout] b0a1e176f6256ac6cd2c24e04f72ea0236fbd310b1944889924c7e5864c5e642
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f70ebeb679a25c31c045f28e9881d9ef9b8bda8e2e89ca03a90da74e05ff76f8
[INFO] running `Command { std: "docker" "start" "-a" "f70ebeb679a25c31c045f28e9881d9ef9b8bda8e2e89ca03a90da74e05ff76f8", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/doubly_linked_list/list.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stderr]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/doubly_linked_list/list.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `untitled` (bin "untitled" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/untitled-bc8a0f2d85917db1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test doubly_linked_list::list::list_iter_mut ... ok
[INFO] [stdout] test doubly_linked_list::list::push_and_pop ... ok
[INFO] [stdout] test doubly_linked_list::list::list_iter ... ok
[INFO] [stdout] test doubly_linked_list::list::create_new ... ok
[INFO] [stdout] test doubly_linked_list::list::getters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f70ebeb679a25c31c045f28e9881d9ef9b8bda8e2e89ca03a90da74e05ff76f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70ebeb679a25c31c045f28e9881d9ef9b8bda8e2e89ca03a90da74e05ff76f8", kill_on_drop: false }`
[INFO] [stdout] f70ebeb679a25c31c045f28e9881d9ef9b8bda8e2e89ca03a90da74e05ff76f8
