[INFO] cloning repository https://github.com/narisuzu/Peano
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/narisuzu/Peano" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnarisuzu%2FPeano", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnarisuzu%2FPeano'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebcd784c6ef775c30615a20fd79528f2da26e86d
[INFO] checking narisuzu/Peano against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnarisuzu%2FPeano" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/narisuzu/Peano on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/narisuzu/Peano
[INFO] finished tweaking git repo https://github.com/narisuzu/Peano
[INFO] tweaked toml for git repo https://github.com/narisuzu/Peano written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/narisuzu/Peano already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded config v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24ba4623b6a017ac04a144ba93f1b468921217d9e090724b9af67b17fb9b90b6
[INFO] running `Command { std: "docker" "start" "-a" "24ba4623b6a017ac04a144ba93f1b468921217d9e090724b9af67b17fb9b90b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24ba4623b6a017ac04a144ba93f1b468921217d9e090724b9af67b17fb9b90b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ba4623b6a017ac04a144ba93f1b468921217d9e090724b9af67b17fb9b90b6", kill_on_drop: false }`
[INFO] [stdout] 24ba4623b6a017ac04a144ba93f1b468921217d9e090724b9af67b17fb9b90b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6b81f9f97ce2485c94dcc18381e417ecef4195737789913492a2561ff06217a
[INFO] running `Command { std: "docker" "start" "-a" "b6b81f9f97ce2485c94dcc18381e417ecef4195737789913492a2561ff06217a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking api v0.1.0 (/opt/rustwide/workdir/crates/api)
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking mcsrvmgr v0.1.0 (/opt/rustwide/workdir/crates/mcsrvmgr)
[INFO] [stdout] warning: function is never used: `jre_line`
[INFO] [stdout]  --> crates/mcsrvmgr/src/jre.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn jre_line() -> Result<String, &'static str> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `jre_raw_version`
[INFO] [stdout]   --> crates/mcsrvmgr/src/jre.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn jre_raw_version() -> Result<String, &'static str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `jre_major_version`
[INFO] [stdout]   --> crates/mcsrvmgr/src/jre.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn jre_major_version() -> Result<u32, &'static str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> crates/mcsrvmgr/src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         op::start(cfg);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking peano v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.12s
[INFO] running `Command { std: "docker" "inspect" "b6b81f9f97ce2485c94dcc18381e417ecef4195737789913492a2561ff06217a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b81f9f97ce2485c94dcc18381e417ecef4195737789913492a2561ff06217a", kill_on_drop: false }`
[INFO] [stdout] b6b81f9f97ce2485c94dcc18381e417ecef4195737789913492a2561ff06217a