[INFO] cloning repository https://github.com/myuon/txt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/myuon/txt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Ftxt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Ftxt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc9bd4294bf1461675a8bb9bd391d7eeabb435dc
[INFO] testing myuon/txt against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Ftxt" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myuon/txt on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/myuon/txt
[INFO] finished tweaking git repo https://github.com/myuon/txt
[INFO] tweaked toml for git repo https://github.com/myuon/txt written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/myuon/txt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 24a7ad44ef7d64b7982c179e654929c90780abf41ba2f1f6f6c94eeacdac6d1b
[INFO] running `Command { std: "docker" "start" "-a" "24a7ad44ef7d64b7982c179e654929c90780abf41ba2f1f6f6c94eeacdac6d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24a7ad44ef7d64b7982c179e654929c90780abf41ba2f1f6f6c94eeacdac6d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a7ad44ef7d64b7982c179e654929c90780abf41ba2f1f6f6c94eeacdac6d1b", kill_on_drop: false }`
[INFO] [stdout] 24a7ad44ef7d64b7982c179e654929c90780abf41ba2f1f6f6c94eeacdac6d1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b94cf997dcb9abcab62dcea332b3f8b4952a9b9e3d7f7f744900a8e94f3678f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b94cf997dcb9abcab62dcea332b3f8b4952a9b9e3d7f7f744900a8e94f3678f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling txt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `input_handle`
[INFO] [stdout]   --> src/event.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tick_handle`
[INFO] [stdout]   --> src/event.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `operate`
[INFO] [stdout]    --> src/gap_buffer.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn operate(&mut self, index: usize, op: Operation<T>) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Operation`
[INFO] [stdout]    --> src/gap_buffer.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub enum Operation<T> {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "b94cf997dcb9abcab62dcea332b3f8b4952a9b9e3d7f7f744900a8e94f3678f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94cf997dcb9abcab62dcea332b3f8b4952a9b9e3d7f7f744900a8e94f3678f3", kill_on_drop: false }`
[INFO] [stdout] b94cf997dcb9abcab62dcea332b3f8b4952a9b9e3d7f7f744900a8e94f3678f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] affe01b6243777572ab82a079a1b316af0df05ddfb789056fbad2f81fe33d38d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "affe01b6243777572ab82a079a1b316af0df05ddfb789056fbad2f81fe33d38d", kill_on_drop: false }`
[INFO] [stderr]    Compiling txt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `input_handle`
[INFO] [stdout]   --> src/event.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tick_handle`
[INFO] [stdout]   --> src/event.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "affe01b6243777572ab82a079a1b316af0df05ddfb789056fbad2f81fe33d38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "affe01b6243777572ab82a079a1b316af0df05ddfb789056fbad2f81fe33d38d", kill_on_drop: false }`
[INFO] [stdout] affe01b6243777572ab82a079a1b316af0df05ddfb789056fbad2f81fe33d38d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4bf782e23b3eba1de3ddd7423849f45cdca3fa5e09298339a877c8f0fa23c8f
[INFO] running `Command { std: "docker" "start" "-a" "c4bf782e23b3eba1de3ddd7423849f45cdca3fa5e09298339a877c8f0fa23c8f", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `input_handle`
[INFO] [stderr]   --> src/event.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     input_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tick_handle`
[INFO] [stderr]   --> src/event.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `txt` (bin "txt" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test gap_buffer::test::delete ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/txt-e36e2390a2329503)
[INFO] [stdout] test gap_buffer::test::ex ... ok
[INFO] [stdout] test gap_buffer::test::insert_many ... ok
[INFO] [stdout] test gap_buffer::test::insert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4bf782e23b3eba1de3ddd7423849f45cdca3fa5e09298339a877c8f0fa23c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4bf782e23b3eba1de3ddd7423849f45cdca3fa5e09298339a877c8f0fa23c8f", kill_on_drop: false }`
[INFO] [stdout] c4bf782e23b3eba1de3ddd7423849f45cdca3fa5e09298339a877c8f0fa23c8f