[INFO] cloning repository https://github.com/y-ich/kiri
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/y-ich/kiri" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy-ich%2Fkiri", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy-ich%2Fkiri'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e133ac1486f57840b6f154448cbfce2471793c3c
[INFO] testing y-ich/kiri against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy-ich%2Fkiri" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/y-ich/kiri on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/y-ich/kiri
[INFO] finished tweaking git repo https://github.com/y-ich/kiri
[INFO] tweaked toml for git repo https://github.com/y-ich/kiri written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/y-ich/kiri already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c2d9bbbe26cecb18229f1c1bbfce2ac7870a777a97a571b30a831fde78f76af
[INFO] running `Command { std: "docker" "start" "-a" "4c2d9bbbe26cecb18229f1c1bbfce2ac7870a777a97a571b30a831fde78f76af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c2d9bbbe26cecb18229f1c1bbfce2ac7870a777a97a571b30a831fde78f76af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2d9bbbe26cecb18229f1c1bbfce2ac7870a777a97a571b30a831fde78f76af", kill_on_drop: false }`
[INFO] [stdout] 4c2d9bbbe26cecb18229f1c1bbfce2ac7870a777a97a571b30a831fde78f76af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83901b98084cc2c62265ccbdd1cf1b3ae0023c2556ae5b86ce807ddc7e5cdb9c
[INFO] running `Command { std: "docker" "start" "-a" "83901b98084cc2c62265ccbdd1cf1b3ae0023c2556ae5b86ce807ddc7e5cdb9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling nodrop v0.1.9
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling arrayvec v0.3.23
[INFO] [stderr]    Compiling go_board v0.1.1 (/opt/rustwide/workdir/go_board)
[INFO] [stderr]    Compiling go_rule v0.1.2 (/opt/rustwide/workdir/go_rule)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> go_rule/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> go_rule/src/position.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::mem::uninitialized;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> go_rule/src/position.rs:154:46
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 let mut pos: Self = unsafe { uninitialized() };
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 | make_position!(19, 1, Position19, ARRAY_SIZE_19, Marker19, MARKER19);
[INFO] [stdout]     | --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_position` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `go_rule`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "83901b98084cc2c62265ccbdd1cf1b3ae0023c2556ae5b86ce807ddc7e5cdb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83901b98084cc2c62265ccbdd1cf1b3ae0023c2556ae5b86ce807ddc7e5cdb9c", kill_on_drop: false }`
[INFO] [stdout] 83901b98084cc2c62265ccbdd1cf1b3ae0023c2556ae5b86ce807ddc7e5cdb9c
