[INFO] cloning repository https://github.com/rail44/neu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rail44/neu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fneu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fneu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b808efecf1c7c04fce56c0ef5223562285717bb
[INFO] testing rail44/neu against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fneu" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rail44/neu on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rail44/neu
[INFO] finished tweaking git repo https://github.com/rail44/neu
[INFO] tweaked toml for git repo https://github.com/rail44/neu written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rail44/neu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3429c488bbde8b637fd2579701da4fca007373c2a2215a6d8d1c6e3aa395a60
[INFO] running `Command { std: "docker" "start" "-a" "f3429c488bbde8b637fd2579701da4fca007373c2a2215a6d8d1c6e3aa395a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3429c488bbde8b637fd2579701da4fca007373c2a2215a6d8d1c6e3aa395a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3429c488bbde8b637fd2579701da4fca007373c2a2215a6d8d1c6e3aa395a60", kill_on_drop: false }`
[INFO] [stdout] f3429c488bbde8b637fd2579701da4fca007373c2a2215a6d8d1c6e3aa395a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 357f60a2cf3c3fd8a2f9019e67ba1b33017d20868bd45b49224f9dd5c5368f94
[INFO] running `Command { std: "docker" "start" "-a" "357f60a2cf3c3fd8a2f9019e67ba1b33017d20868bd45b49224f9dd5c5368f94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling ropey v1.3.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling tree-sitter v0.20.2
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling tree-sitter-javascript v0.20.0
[INFO] [stderr]    Compiling tree-sitter-rust v0.20.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling blocking v1.1.0
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling async-process v1.3.0
[INFO] [stderr]    Compiling async-net v1.6.1
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling clap_derive v3.0.5
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling flume v0.10.9
[INFO] [stderr]    Compiling clap v3.0.5
[INFO] [stderr]    Compiling neu v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `nth`
[INFO] [stdout]   --> src/action.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub(super) fn nth(self, n: usize) -> Action {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_update`
[INFO] [stdout]   --> src/compute.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub(super) fn get_update<C: Compute>(&mut self) -> Option<C> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nth`
[INFO] [stdout]   --> src/selection.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(super) fn nth(self, n: usize) -> Selection {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.37s
[INFO] running `Command { std: "docker" "inspect" "357f60a2cf3c3fd8a2f9019e67ba1b33017d20868bd45b49224f9dd5c5368f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "357f60a2cf3c3fd8a2f9019e67ba1b33017d20868bd45b49224f9dd5c5368f94", kill_on_drop: false }`
[INFO] [stdout] 357f60a2cf3c3fd8a2f9019e67ba1b33017d20868bd45b49224f9dd5c5368f94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 038335e79a13c97b9a66e72b6cd608542e228d8a420ad8b7c1c79ace8749d778
[INFO] running `Command { std: "docker" "start" "-a" "038335e79a13c97b9a66e72b6cd608542e228d8a420ad8b7c1c79ace8749d778", kill_on_drop: false }`
[INFO] [stderr]    Compiling neu v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `nth`
[INFO] [stdout]   --> src/action.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub(super) fn nth(self, n: usize) -> Action {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_update`
[INFO] [stdout]   --> src/compute.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub(super) fn get_update<C: Compute>(&mut self) -> Option<C> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nth`
[INFO] [stdout]   --> src/selection.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(super) fn nth(self, n: usize) -> Selection {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/neu-dde770180ecee116)
[INFO] running `Command { std: "docker" "inspect" "038335e79a13c97b9a66e72b6cd608542e228d8a420ad8b7c1c79ace8749d778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038335e79a13c97b9a66e72b6cd608542e228d8a420ad8b7c1c79ace8749d778", kill_on_drop: false }`
[INFO] [stdout] 038335e79a13c97b9a66e72b6cd608542e228d8a420ad8b7c1c79ace8749d778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fa034112bd287713697240f6e5b69d44d180c73f261e9b592da320893f09e55
[INFO] running `Command { std: "docker" "start" "-a" "8fa034112bd287713697240f6e5b69d44d180c73f261e9b592da320893f09e55", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `nth`
[INFO] [stderr]   --> src/action.rs:61:19
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub(super) fn nth(self, n: usize) -> Action {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_update`
[INFO] [stderr]   --> src/compute.rs:46:19
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub(super) fn get_update<C: Compute>(&mut self) -> Option<C> {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `nth`
[INFO] [stderr]   --> src/selection.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub(super) fn nth(self, n: usize) -> Selection {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `neu` (bin "neu" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/neu-dde770180ecee116)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8fa034112bd287713697240f6e5b69d44d180c73f261e9b592da320893f09e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa034112bd287713697240f6e5b69d44d180c73f261e9b592da320893f09e55", kill_on_drop: false }`
[INFO] [stdout] 8fa034112bd287713697240f6e5b69d44d180c73f261e9b592da320893f09e55