[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/description' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists/description': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 8)
[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 9)
[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 10)
[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 11)
[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 12)
[INFO] cloning repository https://github.com/nazariyv/rust-linkedlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nazariyv/rust-linkedlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0017733cb15f2857d0894b1c3fa31731df1dcaec
[INFO] checking nazariyv/rust-linkedlists against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnazariyv%2Frust-linkedlists" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nazariyv/rust-linkedlists
[INFO] finished tweaking git repo https://github.com/nazariyv/rust-linkedlists
[INFO] tweaked toml for git repo https://github.com/nazariyv/rust-linkedlists written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nazariyv/rust-linkedlists on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nazariyv/rust-linkedlists 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 944f8843745b53b5374e4ccf6b27c84622dc286502671ffe7cf416cc2c5d883a
[INFO] running `Command { std: "docker" "start" "-a" "944f8843745b53b5374e4ccf6b27c84622dc286502671ffe7cf416cc2c5d883a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "944f8843745b53b5374e4ccf6b27c84622dc286502671ffe7cf416cc2c5d883a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944f8843745b53b5374e4ccf6b27c84622dc286502671ffe7cf416cc2c5d883a", kill_on_drop: false }`
[INFO] [stdout] 944f8843745b53b5374e4ccf6b27c84622dc286502671ffe7cf416cc2c5d883a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18604677e90c9a1b36db6cebbc2d1b1958f86bc82fe22f521cb34126e54521e0
[INFO] running `Command { std: "docker" "start" "-a" "18604677e90c9a1b36db6cebbc2d1b1958f86bc82fe22f521cb34126e54521e0", kill_on_drop: false }`
[INFO] [stderr]     Checking linkedlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/fourth.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn peek_front(&self) -> Option<Ref<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] 100 |     pub fn peek_front(&self) -> Option<Ref<'_, 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/fourth.rs:106:22
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn peek_back(&self) -> Option<Ref<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] 106 |     pub fn peek_back(&self) -> Option<Ref<'_, 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/fourth.rs:112:26
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn peek_back_mut(&mut self) -> Option<RefMut<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] 112 |     pub fn peek_back_mut(&mut self) -> Option<RefMut<'_, 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/fourth.rs:118:27
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn peek_front_mut(&mut self) -> Option<RefMut<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] 118 |     pub fn peek_front_mut(&mut self) -> Option<RefMut<'_, 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/fourth.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn peek_front(&self) -> Option<Ref<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] 100 |     pub fn peek_front(&self) -> Option<Ref<'_, 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/fourth.rs:106:22
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn peek_back(&self) -> Option<Ref<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] 106 |     pub fn peek_back(&self) -> Option<Ref<'_, 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/fourth.rs:112:26
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn peek_back_mut(&mut self) -> Option<RefMut<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] 112 |     pub fn peek_back_mut(&mut self) -> Option<RefMut<'_, 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/fourth.rs:118:27
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn peek_front_mut(&mut self) -> Option<RefMut<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] 118 |     pub fn peek_front_mut(&mut self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "18604677e90c9a1b36db6cebbc2d1b1958f86bc82fe22f521cb34126e54521e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18604677e90c9a1b36db6cebbc2d1b1958f86bc82fe22f521cb34126e54521e0", kill_on_drop: false }`
[INFO] [stdout] 18604677e90c9a1b36db6cebbc2d1b1958f86bc82fe22f521cb34126e54521e0
