[INFO] cloning repository https://github.com/joneal/array-dump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joneal/array-dump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoneal%2Farray-dump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoneal%2Farray-dump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c816cb974df04a99f660afc42aee9b70c3992adc
[INFO] checking joneal/array-dump against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoneal%2Farray-dump" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joneal/array-dump on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joneal/array-dump
[INFO] finished tweaking git repo https://github.com/joneal/array-dump
[INFO] tweaked toml for git repo https://github.com/joneal/array-dump written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/joneal/array-dump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1aa47fe4524caf766ea5afef200d264272d646bfd4d2efbe073f06fa293b8a2
[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" "a1aa47fe4524caf766ea5afef200d264272d646bfd4d2efbe073f06fa293b8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1aa47fe4524caf766ea5afef200d264272d646bfd4d2efbe073f06fa293b8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1aa47fe4524caf766ea5afef200d264272d646bfd4d2efbe073f06fa293b8a2", kill_on_drop: false }`
[INFO] [stdout] a1aa47fe4524caf766ea5afef200d264272d646bfd4d2efbe073f06fa293b8a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcef649089b67d91f72648aa0cce4b6ffe0f458c95f09a049833f49ba9a6b461
[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" "fcef649089b67d91f72648aa0cce4b6ffe0f458c95f09a049833f49ba9a6b461", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]     Checking pnet_base v0.27.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking pnet_sys v0.27.2
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]     Checking kernel32-sys v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking pnet_macros_support v0.27.2
[INFO] [stderr]     Checking pnet_datalink v0.27.2
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking dns-lookup v1.0.5
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking local-ip v0.1.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]    Compiling pnet_packet v0.27.2
[INFO] [stderr]     Checking pnet_transport v0.27.2
[INFO] [stderr]     Checking array-dump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_string`
[INFO] [stdout]   --> src/main.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn write_string(data: &str, row_size: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_string`
[INFO] [stdout]   --> src/main.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn write_string(data: &str, row_size: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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 [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "fcef649089b67d91f72648aa0cce4b6ffe0f458c95f09a049833f49ba9a6b461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcef649089b67d91f72648aa0cce4b6ffe0f458c95f09a049833f49ba9a6b461", kill_on_drop: false }`
[INFO] [stdout] fcef649089b67d91f72648aa0cce4b6ffe0f458c95f09a049833f49ba9a6b461