[INFO] cloning repository https://github.com/komkomh/hello_rust_world
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/komkomh/hello_rust_world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomkomh%2Fhello_rust_world", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomkomh%2Fhello_rust_world'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ec8c1669ad4920123aa7701398507f5969f0381
[INFO] checking komkomh/hello_rust_world against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomkomh%2Fhello_rust_world" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/komkomh/hello_rust_world on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/komkomh/hello_rust_world
[INFO] finished tweaking git repo https://github.com/komkomh/hello_rust_world
[INFO] tweaked toml for git repo https://github.com/komkomh/hello_rust_world written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/komkomh/hello_rust_world already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fcab929e8401ac694f78fbdee7e807030fd5d56b98239b4af5f2acc4a5ba758
[INFO] running `Command { std: "docker" "start" "-a" "9fcab929e8401ac694f78fbdee7e807030fd5d56b98239b4af5f2acc4a5ba758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fcab929e8401ac694f78fbdee7e807030fd5d56b98239b4af5f2acc4a5ba758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fcab929e8401ac694f78fbdee7e807030fd5d56b98239b4af5f2acc4a5ba758", kill_on_drop: false }`
[INFO] [stdout] 9fcab929e8401ac694f78fbdee7e807030fd5d56b98239b4af5f2acc4a5ba758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f1d09c51ab7ed4abb1c1acd4c7da0dcf178bf50fd74224f838360f0ae6e79b3
[INFO] running `Command { std: "docker" "start" "-a" "5f1d09c51ab7ed4abb1c1acd4c7da0dcf178bf50fd74224f838360f0ae6e79b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]     Checking rand v0.4.4
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking hello_rust_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_score` is never used
[INFO] [stdout]   --> src/reversi/hairetsu7_points.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn get_score(ban: [[i8; BAN_SIZE]; BAN_SIZE], stone_color: i8) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `value_of` is never used
[INFO] [stdout]    --> src/reversi/client2.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl Stone {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 113 |     fn value_of(v: i8) -> Option<Stone> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_score` is never used
[INFO] [stdout]   --> src/reversi/hairetsu7_points.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn get_score(ban: [[i8; BAN_SIZE]; BAN_SIZE], stone_color: i8) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/reversi/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/reversi/client.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut ban = create_ban();
[INFO] [stdout]   |         ----^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEARCH_DEPTH` is never used
[INFO] [stdout]  --> src/reversi/client.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const SEARCH_DEPTH: usize = 5;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_score` is never used
[INFO] [stdout]   --> src/reversi/hairetsu8_reverse.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn get_score(ban: [[i8; BAN_SIZE]; BAN_SIZE], stone_color: i8) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `value_of` and `reverse` are never used
[INFO] [stdout]    --> src/reversi/client.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl Stone {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 107 |     fn value_of(v: i8) -> Option<Stone> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn reverse(&self) -> Stone {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/hello_rust_world-b10a769d78297795/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hello_rust_world` (bin "reversi_client" test); 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/068609ce766e55d2e7371cd2a86143a6d7e8e2e4/bin/rustc --crate-name reversi_client --edition=2018 src/reversi/client.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=91add85c9adce30f -C extra-filename=-f28864d9f0883e4a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-48abce4ccb775ca7.rmeta --cap-lints=forbid` (exit status: 0)
[INFO] [stdout] warning: function `get_score` is never used
[INFO] [stdout]   --> src/reversi/hairetsu8_reverse.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn get_score(ban: [[i8; BAN_SIZE]; BAN_SIZE], stone_color: i8) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_rust_world` (bin "reversi_hairetsu8_reverse" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/068609ce766e55d2e7371cd2a86143a6d7e8e2e4/bin/rustc --crate-name reversi_hairetsu8_reverse --edition=2018 src/reversi/hairetsu8_reverse.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=0bcbf678a3d15b78 -C extra-filename=-3121309aec1c0f4e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-48abce4ccb775ca7.rmeta --cap-lints=forbid` (exit status: 0)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/reversi/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_rust_world` (bin "reversi_hairetsu8_reverse"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/068609ce766e55d2e7371cd2a86143a6d7e8e2e4/bin/rustc --crate-name reversi_hairetsu8_reverse --edition=2018 src/reversi/hairetsu8_reverse.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=86dd391ec6d4b7c4 -C extra-filename=-9e303f718da06403 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-48abce4ccb775ca7.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] error: could not compile `hello_rust_world` (bin "reversi_client"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/068609ce766e55d2e7371cd2a86143a6d7e8e2e4/bin/rustc --crate-name reversi_client --edition=2018 src/reversi/client.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=60fab0def6bc557f -C extra-filename=-090fab0bd4d9cde2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-48abce4ccb775ca7.rmeta --cap-lints=forbid` (exit status: 0)
[INFO] running `Command { std: "docker" "inspect" "5f1d09c51ab7ed4abb1c1acd4c7da0dcf178bf50fd74224f838360f0ae6e79b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1d09c51ab7ed4abb1c1acd4c7da0dcf178bf50fd74224f838360f0ae6e79b3", kill_on_drop: false }`
[INFO] [stdout] 5f1d09c51ab7ed4abb1c1acd4c7da0dcf178bf50fd74224f838360f0ae6e79b3