[INFO] cloning repository https://github.com/ShawnHeyli/peek-a-boo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShawnHeyli/peek-a-boo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShawnHeyli%2Fpeek-a-boo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShawnHeyli%2Fpeek-a-boo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7076b88729b2f69ca849bbd22b40c0c1a4af9cc2
[INFO] checking ShawnHeyli/peek-a-boo against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShawnHeyli%2Fpeek-a-boo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShawnHeyli/peek-a-boo on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShawnHeyli/peek-a-boo
[INFO] finished tweaking git repo https://github.com/ShawnHeyli/peek-a-boo
[INFO] tweaked toml for git repo https://github.com/ShawnHeyli/peek-a-boo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ShawnHeyli/peek-a-boo 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71b7c0b0c6ee8065cfe3f7f3b18dbfd9f372e7e2e1bdbc8176b7e6fff14c5e27
[INFO] running `Command { std: "docker" "start" "-a" "71b7c0b0c6ee8065cfe3f7f3b18dbfd9f372e7e2e1bdbc8176b7e6fff14c5e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71b7c0b0c6ee8065cfe3f7f3b18dbfd9f372e7e2e1bdbc8176b7e6fff14c5e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b7c0b0c6ee8065cfe3f7f3b18dbfd9f372e7e2e1bdbc8176b7e6fff14c5e27", kill_on_drop: false }`
[INFO] [stdout] 71b7c0b0c6ee8065cfe3f7f3b18dbfd9f372e7e2e1bdbc8176b7e6fff14c5e27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b9f4b15d72787d0217c05f940a4cddc01002e5369875f08ca3343dc07e44bcc
[INFO] running `Command { std: "docker" "start" "-a" "1b9f4b15d72787d0217c05f940a4cddc01002e5369875f08ca3343dc07e44bcc", kill_on_drop: false }`
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]    Compiling openssl v0.10.63
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking image v0.24.8
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.24
[INFO] [stderr]     Checking pab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `MAX_SIZE` is never used
[INFO] [stdout]  --> src/circular_buffer.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const MAX_SIZE: usize = 256;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `get` are never used
[INFO] [stdout]   --> src/circular_buffer.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | / impl<T> CircularBuffer<T>
[INFO] [stdout] 16 | | where
[INFO] [stdout] 17 | |     T: Display + Debug,
[INFO] [stdout]    | |_______________________- associated items in this implementation
[INFO] [stdout] 18 |   {
[INFO] [stdout] 19 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |       pub fn push(&mut self, item: T) {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |       pub fn get(&self, index: usize) -> Option<&T> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_SIZE` is never used
[INFO] [stdout]  --> src/circular_buffer.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const MAX_SIZE: usize = 256;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `get` are never used
[INFO] [stdout]   --> src/circular_buffer.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | / impl<T> CircularBuffer<T>
[INFO] [stdout] 16 | | where
[INFO] [stdout] 17 | |     T: Display + Debug,
[INFO] [stdout]    | |_______________________- associated items in this implementation
[INFO] [stdout] 18 |   {
[INFO] [stdout] 19 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |       pub fn push(&mut self, item: T) {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |       pub fn get(&self, index: usize) -> Option<&T> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.51s
[INFO] running `Command { std: "docker" "inspect" "1b9f4b15d72787d0217c05f940a4cddc01002e5369875f08ca3343dc07e44bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b9f4b15d72787d0217c05f940a4cddc01002e5369875f08ca3343dc07e44bcc", kill_on_drop: false }`
[INFO] [stdout] 1b9f4b15d72787d0217c05f940a4cddc01002e5369875f08ca3343dc07e44bcc
[INFO] checking ShawnHeyli/peek-a-boo against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShawnHeyli%2Fpeek-a-boo" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShawnHeyli/peek-a-boo on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShawnHeyli/peek-a-boo
[INFO] finished tweaking git repo https://github.com/ShawnHeyli/peek-a-boo
[INFO] tweaked toml for git repo https://github.com/ShawnHeyli/peek-a-boo written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ShawnHeyli/peek-a-boo 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54e302817ecb66d482115745554f0527a2744e9b6eed77e6b507eaafa96ece5b
[INFO] running `Command { std: "docker" "start" "-a" "54e302817ecb66d482115745554f0527a2744e9b6eed77e6b507eaafa96ece5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54e302817ecb66d482115745554f0527a2744e9b6eed77e6b507eaafa96ece5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e302817ecb66d482115745554f0527a2744e9b6eed77e6b507eaafa96ece5b", kill_on_drop: false }`
[INFO] [stdout] 54e302817ecb66d482115745554f0527a2744e9b6eed77e6b507eaafa96ece5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0399e10f654d1a73388a6891570417ffb13ed57c3991cb18305f7bac788a1e7b
[INFO] running `Command { std: "docker" "start" "-a" "0399e10f654d1a73388a6891570417ffb13ed57c3991cb18305f7bac788a1e7b", kill_on_drop: false }`
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]    Compiling openssl v0.10.63
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking image v0.24.8
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.24
[INFO] [stderr]     Checking pab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `MAX_SIZE` is never used
[INFO] [stdout]  --> src/circular_buffer.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const MAX_SIZE: usize = 256;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `get` are never used
[INFO] [stdout]   --> src/circular_buffer.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | / impl<T> CircularBuffer<T>
[INFO] [stdout] 16 | | where
[INFO] [stdout] 17 | |     T: Display + Debug,
[INFO] [stdout]    | |_______________________- associated items in this implementation
[INFO] [stdout] 18 |   {
[INFO] [stdout] 19 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |       pub fn push(&mut self, item: T) {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |       pub fn get(&self, index: usize) -> Option<&T> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_SIZE` is never used
[INFO] [stdout]  --> src/circular_buffer.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const MAX_SIZE: usize = 256;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `get` are never used
[INFO] [stdout]   --> src/circular_buffer.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | / impl<T> CircularBuffer<T>
[INFO] [stdout] 16 | | where
[INFO] [stdout] 17 | |     T: Display + Debug,
[INFO] [stdout]    | |_______________________- associated items in this implementation
[INFO] [stdout] 18 |   {
[INFO] [stdout] 19 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |       pub fn push(&mut self, item: T) {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |       pub fn get(&self, index: usize) -> Option<&T> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.47s
[INFO] running `Command { std: "docker" "inspect" "0399e10f654d1a73388a6891570417ffb13ed57c3991cb18305f7bac788a1e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0399e10f654d1a73388a6891570417ffb13ed57c3991cb18305f7bac788a1e7b", kill_on_drop: false }`
[INFO] [stdout] 0399e10f654d1a73388a6891570417ffb13ed57c3991cb18305f7bac788a1e7b