[INFO] cloning repository https://github.com/hardvain/dsa [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hardvain/dsa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardvain%2Fdsa", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardvain%2Fdsa'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 61b98346e489768a04e8c5b7e032959961e404d4 [INFO] checking hardvain/dsa against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardvain%2Fdsa" "/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/hardvain/dsa [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/hardvain/dsa [INFO] tweaked toml for git repo https://github.com/hardvain/dsa written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hardvain/dsa on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/hardvain/dsa 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" "+804fff1ae95da9d03bd44eee27f258020a575dab" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42c7e42e24f33ce91586b11935898d3be7e0280e669dfab5ee3eda24a3ae7654 [INFO] running `Command { std: "docker" "start" "-a" "42c7e42e24f33ce91586b11935898d3be7e0280e669dfab5ee3eda24a3ae7654", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42c7e42e24f33ce91586b11935898d3be7e0280e669dfab5ee3eda24a3ae7654", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42c7e42e24f33ce91586b11935898d3be7e0280e669dfab5ee3eda24a3ae7654", kill_on_drop: false }` [INFO] [stdout] 42c7e42e24f33ce91586b11935898d3be7e0280e669dfab5ee3eda24a3ae7654 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38d96ca9ea1d88ad60c43e06884a1ca2cdc464c4d163e91f85d5cf6fc7edcf85 [INFO] running `Command { std: "docker" "start" "-a" "38d96ca9ea1d88ad60c43e06884a1ca2cdc464c4d163e91f85d5cf6fc7edcf85", kill_on_drop: false }` [INFO] [stderr] Checking dsa v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/singly_linked_list.rs:189:17 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn iter(&self) -> SinglyLinkedListIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 189 | pub fn iter(&self) -> SinglyLinkedListIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/singly_linked_list.rs:198:21 [INFO] [stdout] | [INFO] [stdout] 198 | pub fn iter_mut(&mut self) -> SinglyLinkedListIteratorMut { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 198 | pub fn iter_mut(&mut self) -> SinglyLinkedListIteratorMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/singly_linked_list.rs:189:17 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn iter(&self) -> SinglyLinkedListIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 189 | pub fn iter(&self) -> SinglyLinkedListIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/singly_linked_list.rs:198:21 [INFO] [stdout] | [INFO] [stdout] 198 | pub fn iter_mut(&mut self) -> SinglyLinkedListIteratorMut { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 198 | pub fn iter_mut(&mut self) -> SinglyLinkedListIteratorMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "38d96ca9ea1d88ad60c43e06884a1ca2cdc464c4d163e91f85d5cf6fc7edcf85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38d96ca9ea1d88ad60c43e06884a1ca2cdc464c4d163e91f85d5cf6fc7edcf85", kill_on_drop: false }` [INFO] [stdout] 38d96ca9ea1d88ad60c43e06884a1ca2cdc464c4d163e91f85d5cf6fc7edcf85