[INFO] cloning repository https://github.com/IGI-111/xit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IGI-111/xit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIGI-111%2Fxit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIGI-111%2Fxit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fe077f01c63f192246a4a9364ee165c572c4edd
[INFO] checking IGI-111/xit against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIGI-111%2Fxit" "/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/IGI-111/xit on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IGI-111/xit
[INFO] finished tweaking git repo https://github.com/IGI-111/xit
[INFO] tweaked toml for git repo https://github.com/IGI-111/xit written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/IGI-111/xit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v1.3.0
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] 0af5f0d6ca8da8b10cf146501bce1b371a214cac62ca7bb05b2fa63ddc9b9749
[INFO] running `Command { std: "docker" "start" "-a" "0af5f0d6ca8da8b10cf146501bce1b371a214cac62ca7bb05b2fa63ddc9b9749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0af5f0d6ca8da8b10cf146501bce1b371a214cac62ca7bb05b2fa63ddc9b9749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af5f0d6ca8da8b10cf146501bce1b371a214cac62ca7bb05b2fa63ddc9b9749", kill_on_drop: false }`
[INFO] [stdout] 0af5f0d6ca8da8b10cf146501bce1b371a214cac62ca7bb05b2fa63ddc9b9749
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] af295e283a101d8c6efe292d754280a16520e97f30585b9aaccbc0b02ec351b3
[INFO] running `Command { std: "docker" "start" "-a" "af295e283a101d8c6efe292d754280a16520e97f30585b9aaccbc0b02ec351b3", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking serde v0.9.14
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking termion v1.3.0
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking xit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]   --> src/main.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::time::{Instant, Duration};
[INFO] [stdout]    |                 ^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/main.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::sync::mpsc::{self, Receiver};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/main.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::io::{stdin, stdout, Write, Read, BufWriter};
[INFO] [stdout]    |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]   --> src/main.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::time::{Instant, Duration};
[INFO] [stdout]    |                 ^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/main.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::sync::mpsc::{self, Receiver};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/main.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::io::{stdin, stdout, Write, Read, BufWriter};
[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 4.95s
[INFO] running `Command { std: "docker" "inspect" "af295e283a101d8c6efe292d754280a16520e97f30585b9aaccbc0b02ec351b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af295e283a101d8c6efe292d754280a16520e97f30585b9aaccbc0b02ec351b3", kill_on_drop: false }`
[INFO] [stdout] af295e283a101d8c6efe292d754280a16520e97f30585b9aaccbc0b02ec351b3