[INFO] fetching crate npy 0.4.0...
[INFO] checking npy-0.4.0 against 1.95.0 for pr-155915
[INFO] extracting crate npy 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate npy 0.4.0
[INFO] finished tweaking crates.io crate npy 0.4.0
[INFO] tweaked toml for crates.io crate npy 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate npy 0.4.0 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 13 packages to latest compatible versions
[INFO] [stderr]       Adding memmap v0.6.2 (available: v0.7.0)
[INFO] [stderr]       Adding nom v3.2.1 (available: v8.0.0)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded memmap v0.6.2
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded npy-derive v0.4.0
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded syn v0.12.15
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18f5a17c23082c1f50bab7ac6e6e284ca8482df73e45bf0f115818ddb7174408
[INFO] running `Command { std: "docker" "start" "-a" "18f5a17c23082c1f50bab7ac6e6e284ca8482df73e45bf0f115818ddb7174408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f5a17c23082c1f50bab7ac6e6e284ca8482df73e45bf0f115818ddb7174408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f5a17c23082c1f50bab7ac6e6e284ca8482df73e45bf0f115818ddb7174408", kill_on_drop: false }`
[INFO] [stdout] 18f5a17c23082c1f50bab7ac6e6e284ca8482df73e45bf0f115818ddb7174408
[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=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] dc184087efe4ca6df0c081d501a2fa6cc9e3b06cbadc8e77c1664d318e61ebc1
[INFO] running `Command { std: "docker" "start" "-a" "dc184087efe4ca6df0c081d501a2fa6cc9e3b06cbadc8e77c1664d318e61ebc1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]    Compiling npy-derive v0.4.0
[INFO] [stderr]     Checking npy v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]    --> src/lib.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/serializable.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |         unsafe { ::std::mem::transmute(buf[0]) } // TODO: a better way
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 36 -         unsafe { ::std::mem::transmute(buf[0]) } // TODO: a better way
[INFO] [stdout] 36 +         unsafe { u8::cast_signed(buf[0]) } // TODO: a better way
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]    --> tests/roundtrip.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | struct S {
[INFO] [stdout]     |        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `npy` (bench "bench") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]    --> src/lib.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/serializable.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |         unsafe { ::std::mem::transmute(buf[0]) } // TODO: a better way
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 36 -         unsafe { ::std::mem::transmute(buf[0]) } // TODO: a better way
[INFO] [stdout] 36 +         unsafe { u8::cast_signed(buf[0]) } // TODO: a better way
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc184087efe4ca6df0c081d501a2fa6cc9e3b06cbadc8e77c1664d318e61ebc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc184087efe4ca6df0c081d501a2fa6cc9e3b06cbadc8e77c1664d318e61ebc1", kill_on_drop: false }`
[INFO] [stdout] dc184087efe4ca6df0c081d501a2fa6cc9e3b06cbadc8e77c1664d318e61ebc1
