[INFO] cloning repository https://github.com/charleszheng44/leader-elect [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charleszheng44/leader-elect" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleszheng44%2Fleader-elect", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleszheng44%2Fleader-elect'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e9828b91f1d38c634f9770ab4b9b300d14301825 [INFO] checking charleszheng44/leader-elect against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleszheng44%2Fleader-elect" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/charleszheng44/leader-elect [INFO] finished tweaking git repo https://github.com/charleszheng44/leader-elect [INFO] tweaked toml for git repo https://github.com/charleszheng44/leader-elect written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/charleszheng44/leader-elect on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/charleszheng44/leader-elect 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c4dff67333cb11524aa75398b0a67270e98cb554e8bf6ca097449d9e36501ad8 [INFO] running `Command { std: "docker" "start" "-a" "c4dff67333cb11524aa75398b0a67270e98cb554e8bf6ca097449d9e36501ad8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4dff67333cb11524aa75398b0a67270e98cb554e8bf6ca097449d9e36501ad8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4dff67333cb11524aa75398b0a67270e98cb554e8bf6ca097449d9e36501ad8", kill_on_drop: false }` [INFO] [stdout] c4dff67333cb11524aa75398b0a67270e98cb554e8bf6ca097449d9e36501ad8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 05d8070b7a311066675ec4ea81efef2249e88376c7aa7e35fd1481b855060e8d [INFO] running `Command { std: "docker" "start" "-a" "05d8070b7a311066675ec4ea81efef2249e88376c7aa7e35fd1481b855060e8d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking bitflags v1.3.1 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Compiling derive_more v0.99.16 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Checking serde v1.0.129 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Checking leader-elect v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list.rs:91:17 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn iter(&self) -> Iter { [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] 91 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list.rs:97:21 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn iter_mut(&mut self) -> IterMut { [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] 97 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list.rs:91:17 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn iter(&self) -> Iter { [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] 91 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list.rs:97:21 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn iter_mut(&mut self) -> IterMut { [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] 97 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.20s [INFO] running `Command { std: "docker" "inspect" "05d8070b7a311066675ec4ea81efef2249e88376c7aa7e35fd1481b855060e8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05d8070b7a311066675ec4ea81efef2249e88376c7aa7e35fd1481b855060e8d", kill_on_drop: false }` [INFO] [stdout] 05d8070b7a311066675ec4ea81efef2249e88376c7aa7e35fd1481b855060e8d