[INFO] cloning repository https://github.com/rail44/neu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rail44/neu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fneu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fneu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84689e5179f3922150e0a56f173c8b33f3e19f09
[INFO] checking rail44/neu against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fneu" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rail44/neu on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rail44/neu
[INFO] finished tweaking git repo https://github.com/rail44/neu
[INFO] tweaked toml for git repo https://github.com/rail44/neu written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rail44/neu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded catty v0.1.4
[INFO] [stderr]   Downloaded spinny v0.2.2
[INFO] [stderr]   Downloaded flume v0.10.5
[INFO] [stderr]   Downloaded xtra v0.5.1
[INFO] [stderr]   Downloaded barrage v0.2.1
[INFO] [stderr]   Downloaded pollster v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3e56076a3c3c35a22fedbd8c94b2880b9596e0c61ba39cb8b2fb37392e9cb7e
[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" "f3e56076a3c3c35a22fedbd8c94b2880b9596e0c61ba39cb8b2fb37392e9cb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3e56076a3c3c35a22fedbd8c94b2880b9596e0c61ba39cb8b2fb37392e9cb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e56076a3c3c35a22fedbd8c94b2880b9596e0c61ba39cb8b2fb37392e9cb7e", kill_on_drop: false }`
[INFO] [stdout] f3e56076a3c3c35a22fedbd8c94b2880b9596e0c61ba39cb8b2fb37392e9cb7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efaa65a495c2c2748969a1df302de4f24c8f766492ecfabfb2ac8ff3695a80ba
[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" "efaa65a495c2c2748969a1df302de4f24c8f766492ecfabfb2ac8ff3695a80ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking spin v0.7.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking pollster v0.2.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking catty v0.1.4
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking spinny v0.2.2
[INFO] [stderr]     Checking spinning_top v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking barrage v0.2.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-net v1.6.0
[INFO] [stderr]     Checking async-process v1.1.0
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking xi-rope v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking flume v0.10.5
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking xtra v0.5.1
[INFO] [stderr]     Checking neu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/buffer.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub(crate) fn new() -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `line`
[INFO] [stdout]   --> src/buffer.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub(crate) fn line(&self, n: usize) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_cmd_mut`
[INFO] [stdout]   --> src/store.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn get_cmd_mut(&mut self) -> &mut String {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/buffer.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub(crate) fn new() -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `line`
[INFO] [stdout]   --> src/buffer.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub(crate) fn line(&self, n: usize) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_cmd_mut`
[INFO] [stdout]   --> src/store.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn get_cmd_mut(&mut self) -> &mut String {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "efaa65a495c2c2748969a1df302de4f24c8f766492ecfabfb2ac8ff3695a80ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efaa65a495c2c2748969a1df302de4f24c8f766492ecfabfb2ac8ff3695a80ba", kill_on_drop: false }`
[INFO] [stdout] efaa65a495c2c2748969a1df302de4f24c8f766492ecfabfb2ac8ff3695a80ba