[INFO] cloning repository https://github.com/michealkeines/Prettifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michealkeines/Prettifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichealkeines%2FPrettifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichealkeines%2FPrettifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df8f2edd5b0ca5e37b73bbb5c98e47770aecab68
[INFO] testing michealkeines/Prettifier against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichealkeines%2FPrettifier" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michealkeines/Prettifier on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michealkeines/Prettifier
[INFO] finished tweaking git repo https://github.com/michealkeines/Prettifier
[INFO] tweaked toml for git repo https://github.com/michealkeines/Prettifier written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/michealkeines/Prettifier 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bc8b277aabfa7bbfd425cc6c6fef1ec8e25c21b00950fec471dcba110992b0e
[INFO] running `Command { std: "docker" "start" "-a" "6bc8b277aabfa7bbfd425cc6c6fef1ec8e25c21b00950fec471dcba110992b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bc8b277aabfa7bbfd425cc6c6fef1ec8e25c21b00950fec471dcba110992b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc8b277aabfa7bbfd425cc6c6fef1ec8e25c21b00950fec471dcba110992b0e", kill_on_drop: false }`
[INFO] [stdout] 6bc8b277aabfa7bbfd425cc6c6fef1ec8e25c21b00950fec471dcba110992b0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92bed97eef85cb67db31e3d8cb8a3638779c426782a5ce83da2d884b320297c0
[INFO] running `Command { std: "docker" "start" "-a" "92bed97eef85cb67db31e3d8cb8a3638779c426782a5ce83da2d884b320297c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling prettifier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `temp` is never read
[INFO] [stdout]   --> src/prettify.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut temp: Vec<u8> = vec![];
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/prettify.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn update(&self, c: char, i: usize, list: &Vec<u8>) -> Vec<u8>{
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/prettify.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut count = 0;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/prettify.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut count = 0;
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "92bed97eef85cb67db31e3d8cb8a3638779c426782a5ce83da2d884b320297c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92bed97eef85cb67db31e3d8cb8a3638779c426782a5ce83da2d884b320297c0", kill_on_drop: false }`
[INFO] [stdout] 92bed97eef85cb67db31e3d8cb8a3638779c426782a5ce83da2d884b320297c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 529fa65a04cd5851d62dd1d0f027e6ce305eee19754fe0e97aad0dd96c91f2a5
[INFO] running `Command { std: "docker" "start" "-a" "529fa65a04cd5851d62dd1d0f027e6ce305eee19754fe0e97aad0dd96c91f2a5", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `temp` is never read
[INFO] [stdout]   --> src/prettify.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut temp: Vec<u8> = vec![];
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling prettifier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/prettify.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn update(&self, c: char, i: usize, list: &Vec<u8>) -> Vec<u8>{
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/prettify.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut count = 0;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/prettify.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut count = 0;
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/unsafe_stack.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp` is never read
[INFO] [stdout]   --> src/prettify.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut temp: Vec<u8> = vec![];
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/prettify.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn update(&self, c: char, i: usize, list: &Vec<u8>) -> Vec<u8>{
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/prettify.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut count = 0;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/prettify.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let mut count = 0;
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "529fa65a04cd5851d62dd1d0f027e6ce305eee19754fe0e97aad0dd96c91f2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529fa65a04cd5851d62dd1d0f027e6ce305eee19754fe0e97aad0dd96c91f2a5", kill_on_drop: false }`
[INFO] [stdout] 529fa65a04cd5851d62dd1d0f027e6ce305eee19754fe0e97aad0dd96c91f2a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd19aeee8cacbd973316994c5ad733f6b25f84bcb94661fd195f08410a0f800d
[INFO] running `Command { std: "docker" "start" "-a" "cd19aeee8cacbd973316994c5ad733f6b25f84bcb94661fd195f08410a0f800d", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]   --> src/prettify.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut temp: Vec<u8> = vec![];
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/prettify.rs:38:22
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn update(&self, c: char, i: usize, list: &Vec<u8>) -> Vec<u8>{
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]    --> src/prettify.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let mut count = 0;
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/prettify.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let mut count = 0;
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `prettifier` (lib) generated 4 warnings (run `cargo fix --lib -p prettifier` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/unsafe_stack.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `prettifier` (lib test) generated 5 warnings (4 duplicates) (run `cargo fix --lib -p prettifier --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prettifier-8c9106fca75b29c4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test prettify::tests::test_pretify has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "cd19aeee8cacbd973316994c5ad733f6b25f84bcb94661fd195f08410a0f800d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd19aeee8cacbd973316994c5ad733f6b25f84bcb94661fd195f08410a0f800d", kill_on_drop: false }`
[INFO] [stdout] cd19aeee8cacbd973316994c5ad733f6b25f84bcb94661fd195f08410a0f800d
