[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 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frail44%2Fneu" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rail44/neu on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rail44/neu 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 394b41be9ccfb96e6f3bec826a5902df8f5ba3b6f1dd43a553e7490cb1b72af0
[INFO] running `Command { std: "docker" "start" "-a" "394b41be9ccfb96e6f3bec826a5902df8f5ba3b6f1dd43a553e7490cb1b72af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "394b41be9ccfb96e6f3bec826a5902df8f5ba3b6f1dd43a553e7490cb1b72af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394b41be9ccfb96e6f3bec826a5902df8f5ba3b6f1dd43a553e7490cb1b72af0", kill_on_drop: false }`
[INFO] [stdout] 394b41be9ccfb96e6f3bec826a5902df8f5ba3b6f1dd43a553e7490cb1b72af0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a823699e1c15185bf798c378ed4642a76636fea228ee066497135e55dba0074
[INFO] running `Command { std: "docker" "start" "-a" "5a823699e1c15185bf798c378ed4642a76636fea228ee066497135e55dba0074", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
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[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
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[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling futures-lite v1.12.0
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[INFO] [stderr]    Compiling polling v2.2.0
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[INFO] [stderr]    Compiling aho-corasick v0.7.18
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[INFO] [stderr]    Compiling atty v0.2.14
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[INFO] [stderr]    Compiling tree-sitter v0.20.2
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[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling tree-sitter-rust v0.20.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[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 thread_local v1.1.3
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling async-net v1.6.1
[INFO] [stderr]    Compiling async-process v1.3.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling tracing-subscriber v0.3.5
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling ropey v1.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stdout] error[E0080]: attempt to compute `0_usize - 1_usize`, which would overflow
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ropey-1.3.2/src/tree/mod.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 |       const _: [(); 0 - !{
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 75 | |         // Assert alignment.
[INFO] [stdout] 76 | |         const ASSERT: bool = if align_of::<Node>() > ARC_COUNTERS_SIZE {
[INFO] [stdout] 77 | |             align_of::<Node>() + size_of::<Node>()
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |         ASSERT
[INFO] [stdout] 82 | |     } as usize] = [];
[INFO] [stdout]    | |______________^ evaluation of `tree::constants::_::{constant#0}` failed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0080`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ropey` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5a823699e1c15185bf798c378ed4642a76636fea228ee066497135e55dba0074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a823699e1c15185bf798c378ed4642a76636fea228ee066497135e55dba0074", kill_on_drop: false }`
[INFO] [stdout] 5a823699e1c15185bf798c378ed4642a76636fea228ee066497135e55dba0074