[INFO] fetching crate n5 0.7.6...
[INFO] checking n5-0.7.6 against 1.95.0 for pr-155915
[INFO] extracting crate n5 0.7.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate n5 0.7.6
[INFO] finished tweaking crates.io crate n5 0.7.6
[INFO] tweaked toml for crates.io crate n5 0.7.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate n5 0.7.6 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--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
[INFO] [stderr]      Locking 94 packages to latest compatible versions
[INFO] [stderr]       Adding bzip2 v0.4.4 (available: v0.6.1)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.32)
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.14.0)
[INFO] [stderr]       Adding lz-fear v0.1.1 (available: v0.2.0)
[INFO] [stderr]       Adding ndarray v0.13.1 (available: v0.17.2)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.1)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.28)
[INFO] [stderr]       Adding tiff v0.3.1 (available: v0.11.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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 bencher v0.1.5
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded fehler-macros v1.0.0
[INFO] [stderr]   Downloaded fehler v1.0.0
[INFO] [stderr]   Downloaded lz-fear v0.1.1
[INFO] [stderr]   Downloaded tiff v0.3.1
[INFO] [stderr]   Downloaded lzw v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d5bd6fe56ff3476f11c3ea1d83ef03b91e3e3168cb9aa10e9b03f5b1089a443
[INFO] running `Command { std: "docker" "start" "-a" "0d5bd6fe56ff3476f11c3ea1d83ef03b91e3e3168cb9aa10e9b03f5b1089a443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d5bd6fe56ff3476f11c3ea1d83ef03b91e3e3168cb9aa10e9b03f5b1089a443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5bd6fe56ff3476f11c3ea1d83ef03b91e3e3168cb9aa10e9b03f5b1089a443", kill_on_drop: false }`
[INFO] [stdout] 0d5bd6fe56ff3476f11c3ea1d83ef03b91e3e3168cb9aa10e9b03f5b1089a443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca179ed44e3a534e2d9033eee2d132ecdd86df3edd3814be71a83bb21353ef91
[INFO] running `Command { std: "docker" "start" "-a" "ca179ed44e3a534e2d9033eee2d132ecdd86df3edd3814be71a83bb21353ef91", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking lz4 v1.28.1
[INFO] [stderr]     Checking n5 v0.7.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> benches/parallel_write.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/simple.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `n5` (bench "simple") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `n5` (bench "parallel_write") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ca179ed44e3a534e2d9033eee2d132ecdd86df3edd3814be71a83bb21353ef91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca179ed44e3a534e2d9033eee2d132ecdd86df3edd3814be71a83bb21353ef91", kill_on_drop: false }`
[INFO] [stdout] ca179ed44e3a534e2d9033eee2d132ecdd86df3edd3814be71a83bb21353ef91
