[INFO] cloning repository https://github.com/yfarge/lists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yfarge/lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyfarge%2Flists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyfarge%2Flists'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f99443d41156e9f03fb2c47f2c9ae4f716badbbd
[INFO] checking yfarge/lists against master#5337252b9952fdd9482ed6a4add17254e5bd2c40 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyfarge%2Flists" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yfarge/lists on toolchain 5337252b9952fdd9482ed6a4add17254e5bd2c40
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yfarge/lists
[INFO] finished tweaking git repo https://github.com/yfarge/lists
[INFO] tweaked toml for git repo https://github.com/yfarge/lists written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yfarge/lists 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" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3968a71890fdd9f479f828e7152a07e17bc025129b4f04fcc0dd76ef63ebfc7
[INFO] running `Command { std: "docker" "start" "-a" "f3968a71890fdd9f479f828e7152a07e17bc025129b4f04fcc0dd76ef63ebfc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3968a71890fdd9f479f828e7152a07e17bc025129b4f04fcc0dd76ef63ebfc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3968a71890fdd9f479f828e7152a07e17bc025129b4f04fcc0dd76ef63ebfc7", kill_on_drop: false }`
[INFO] [stdout] f3968a71890fdd9f479f828e7152a07e17bc025129b4f04fcc0dd76ef63ebfc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a89d82bd350b1b3e56af42e9a67a4d0c6dbd928a7b2acc4a5d97ef3444d44dd1
[INFO] running `Command { std: "docker" "start" "-a" "a89d82bd350b1b3e56af42e9a67a4d0c6dbd928a7b2acc4a5d97ef3444d44dd1", kill_on_drop: false }`
[INFO] [stderr]     Checking lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/second.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn iter<'a>(&'a self) -> Iter<T> {
[INFO] [stdout]    |                 --                   ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 lifetime `'a` declared here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/second.rs:57:49
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn iter_mut<'a>(&'a mut self) -> IterMut<T> {
[INFO] [stdout]    |                     --                          ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     lifetime `'a` declared here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/second.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn iter<'a>(&'a self) -> Iter<T> {
[INFO] [stdout]    |                 --                   ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 lifetime `'a` declared here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/second.rs:57:49
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn iter_mut<'a>(&'a mut self) -> IterMut<T> {
[INFO] [stdout]    |                     --                          ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     lifetime `'a` declared here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "a89d82bd350b1b3e56af42e9a67a4d0c6dbd928a7b2acc4a5d97ef3444d44dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89d82bd350b1b3e56af42e9a67a4d0c6dbd928a7b2acc4a5d97ef3444d44dd1", kill_on_drop: false }`
[INFO] [stdout] a89d82bd350b1b3e56af42e9a67a4d0c6dbd928a7b2acc4a5d97ef3444d44dd1