[INFO] cloning repository https://github.com/lkitching/rlpi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lkitching/rlpi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkitching%2Frlpi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkitching%2Frlpi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a783cf51b7b3f9cb5b1b2077bd9b9c809e8cb814
[INFO] checking lkitching/rlpi against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkitching%2Frlpi" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lkitching/rlpi on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lkitching/rlpi
[INFO] finished tweaking git repo https://github.com/lkitching/rlpi
[INFO] tweaked toml for git repo https://github.com/lkitching/rlpi written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/lkitching/rlpi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5856302b6d7facfa75825a1049ee72340075708ab81507060a6f0d1797a3897a
[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" "5856302b6d7facfa75825a1049ee72340075708ab81507060a6f0d1797a3897a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5856302b6d7facfa75825a1049ee72340075708ab81507060a6f0d1797a3897a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5856302b6d7facfa75825a1049ee72340075708ab81507060a6f0d1797a3897a", kill_on_drop: false }`
[INFO] [stdout] 5856302b6d7facfa75825a1049ee72340075708ab81507060a6f0d1797a3897a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] 1ffb761de4c8391feaa200a235fffd5fec71348adf620ed5c3d842b22b380953
[INFO] running `Command { std: "docker" "start" "-a" "1ffb761de4c8391feaa200a235fffd5fec71348adf620ed5c3d842b22b380953", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rlpi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/threads/thread_util.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |     unsafe {
[INFO] [stdout]    |     ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 40 |         to_result(s, || unsafe { result.assume_init() }, "pthread_join")
[INFO] [stdout]    |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/threads/thread_util.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |     unsafe {
[INFO] [stdout]    |     ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 40 |         to_result(s, || unsafe { result.assume_init() }, "pthread_join")
[INFO] [stdout]    |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `close`
[INFO] [stdout]  --> src/sockets/us_xfr_cl.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 |            STDIN_FILENO, write, size_t, close, exit, EXIT_SUCCESS};
[INFO] [stdout]   |                                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/threads/thread_cancel.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |     if result == unsafe { PTHREAD_CANCELED } {
[INFO] [stdout]    |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/threads/thread_cancel.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |     if result == unsafe { PTHREAD_CANCELED } {
[INFO] [stdout]    |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `close`
[INFO] [stdout]  --> src/sockets/us_xfr_cl.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 |            STDIN_FILENO, write, size_t, close, exit, EXIT_SUCCESS};
[INFO] [stdout]   |                                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.91s
[INFO] running `Command { std: "docker" "inspect" "1ffb761de4c8391feaa200a235fffd5fec71348adf620ed5c3d842b22b380953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ffb761de4c8391feaa200a235fffd5fec71348adf620ed5c3d842b22b380953", kill_on_drop: false }`
[INFO] [stdout] 1ffb761de4c8391feaa200a235fffd5fec71348adf620ed5c3d842b22b380953