[INFO] cloning repository https://github.com/Vandesm14/stack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vandesm14/stack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVandesm14%2Fstack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVandesm14%2Fstack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62bb818b991f9fbe75409792c19f16702844b0bd
[INFO] checking Vandesm14/stack against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVandesm14%2Fstack" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Vandesm14/stack
[INFO] finished tweaking git repo https://github.com/Vandesm14/stack
[INFO] tweaked toml for git repo https://github.com/Vandesm14/stack written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Vandesm14/stack on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Vandesm14/stack 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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a34c8c09d120f006de4440fe7870b48967c5e2285dd51e310f2022231fb1f097
[INFO] running `Command { std: "docker" "start" "-a" "a34c8c09d120f006de4440fe7870b48967c5e2285dd51e310f2022231fb1f097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a34c8c09d120f006de4440fe7870b48967c5e2285dd51e310f2022231fb1f097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34c8c09d120f006de4440fe7870b48967c5e2285dd51e310f2022231fb1f097", kill_on_drop: false }`
[INFO] [stdout] a34c8c09d120f006de4440fe7870b48967c5e2285dd51e310f2022231fb1f097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f52cb0dc7c2ebce851a95a08142dc6fe6e4dd256618ec95a05a21af4badbac3
[INFO] running `Command { std: "docker" "start" "-a" "2f52cb0dc7c2ebce851a95a08142dc6fe6e4dd256618ec95a05a21af4badbac3", kill_on_drop: false }`
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[INFO] [stderr]     Checking stack-core v0.1.0 (/opt/rustwide/workdir/stack-core)
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> stack-core/src/vec_one.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 |   pub fn iter(&self) -> Iter<T> {
[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] 125 |   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]    --> stack-core/src/vec_one.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 130 |   pub fn iter_mut(&mut self) -> IterMut<T> {
[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] 130 |   pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking stack-std v0.1.0 (/opt/rustwide/workdir/stack-std)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> stack-std/src/str.rs:380:21
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> stack-std/src/str.rs:342:21
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> stack-std/src/str.rs:306:21
[INFO] [stdout]     |
[INFO] [stdout] 306 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> stack-std/src/str.rs:380:21
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> stack-std/src/str.rs:342:21
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> stack-std/src/str.rs:306:21
[INFO] [stdout]     |
[INFO] [stdout] 306 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking idna v1.0.0
[INFO] [stderr]     Checking zbus_names v2.6.1
[INFO] [stderr]     Checking url v2.5.1
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> stack-core/src/vec_one.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 |   pub fn iter(&self) -> Iter<T> {
[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] 125 |   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]    --> stack-core/src/vec_one.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 130 |   pub fn iter_mut(&mut self) -> IterMut<T> {
[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] 130 |   pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking webbrowser v0.8.15
[INFO] [stderr]     Checking ws v0.9.2
[INFO] [stderr]     Checking zbus v3.15.2
[INFO] [stderr]     Checking x11rb v0.13.1
[INFO] [stderr]     Checking polling v3.7.1
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking calloop v0.12.4
[INFO] [stderr]     Checking wayland-csd-frame v0.3.0
[INFO] [stderr]     Checking wayland-protocols v0.31.2
[INFO] [stderr]     Checking wayland-cursor v0.31.3
[INFO] [stderr]     Checking calloop-wayland-source v0.2.0
[INFO] [stderr]     Checking atspi-common v0.3.0
[INFO] [stderr]     Checking wayland-protocols-wlr v0.2.0
[INFO] [stderr]     Checking wayland-protocols-plasma v0.2.0
[INFO] [stderr]     Checking atspi-proxies v0.3.0
[INFO] [stderr]     Checking wl-clipboard-rs v0.8.1
[INFO] [stderr]     Checking arboard v3.4.0
[INFO] [stderr]     Checking reedline v0.31.0
[INFO] [stderr]     Checking sctk-adwaita v0.8.1
[INFO] [stderr]     Checking smithay-clipboard v0.7.1
[INFO] [stderr]     Checking atspi-connection v0.3.0
[INFO] [stderr]     Checking atspi v0.19.0
[INFO] [stderr]     Checking accesskit_unix v0.6.2
[INFO] [stderr]     Checking stack-cli v0.1.0 (/opt/rustwide/workdir/stack-cli)
[INFO] [stderr]     Checking accesskit_winit v0.16.1
[INFO] [stderr]     Checking egui-winit v0.27.2
[INFO] [stderr]     Checking eframe v0.27.2
[INFO] [stderr]     Checking stack-debugger v0.1.0 (/opt/rustwide/workdir/stack-debugger)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8, wl-clipboard-rs v0.8.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "2f52cb0dc7c2ebce851a95a08142dc6fe6e4dd256618ec95a05a21af4badbac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f52cb0dc7c2ebce851a95a08142dc6fe6e4dd256618ec95a05a21af4badbac3", kill_on_drop: false }`
[INFO] [stdout] 2f52cb0dc7c2ebce851a95a08142dc6fe6e4dd256618ec95a05a21af4badbac3
