[INFO] fetching crate tensor 0.1.2... [INFO] testing tensor-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate tensor 0.1.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate tensor 0.1.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tensor 0.1.2 [INFO] finished tweaking crates.io crate tensor 0.1.2 [INFO] tweaked toml for crates.io crate tensor 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 17dcdf6cfe2979def5f0f221b13248d90198edd46df36e7a33ca268132a12f14 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "17dcdf6cfe2979def5f0f221b13248d90198edd46df36e7a33ca268132a12f14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "17dcdf6cfe2979def5f0f221b13248d90198edd46df36e7a33ca268132a12f14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17dcdf6cfe2979def5f0f221b13248d90198edd46df36e7a33ca268132a12f14", kill_on_drop: false }` [INFO] [stdout] 17dcdf6cfe2979def5f0f221b13248d90198edd46df36e7a33ca268132a12f14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1bf6fcc890e0090ab0a75b8fea254be3c11fa821ea6b26cd346907cacaa5d195 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1bf6fcc890e0090ab0a75b8fea254be3c11fa821ea6b26cd346907cacaa5d195", kill_on_drop: false }` [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling tensor v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tensor.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tensor.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.18s [INFO] running `Command { std: "docker" "inspect" "1bf6fcc890e0090ab0a75b8fea254be3c11fa821ea6b26cd346907cacaa5d195", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bf6fcc890e0090ab0a75b8fea254be3c11fa821ea6b26cd346907cacaa5d195", kill_on_drop: false }` [INFO] [stdout] 1bf6fcc890e0090ab0a75b8fea254be3c11fa821ea6b26cd346907cacaa5d195 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2c7f13fb06ca2dbb0e2056a9e9d5ee1719d723bd52cfda16ebcd6b2f334b2720 [INFO] running `Command { std: "docker" "start" "-a" "2c7f13fb06ca2dbb0e2056a9e9d5ee1719d723bd52cfda16ebcd6b2f334b2720", kill_on_drop: false }` [INFO] [stderr] Compiling tensor v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tensor.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tensor.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tensor.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.72s [INFO] running `Command { std: "docker" "inspect" "2c7f13fb06ca2dbb0e2056a9e9d5ee1719d723bd52cfda16ebcd6b2f334b2720", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c7f13fb06ca2dbb0e2056a9e9d5ee1719d723bd52cfda16ebcd6b2f334b2720", kill_on_drop: false }` [INFO] [stdout] 2c7f13fb06ca2dbb0e2056a9e9d5ee1719d723bd52cfda16ebcd6b2f334b2720 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c6cd978c3a39595e1eb6cdcc748864b02d38d1e0297961cf0a93d02d6978ba58 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c6cd978c3a39595e1eb6cdcc748864b02d38d1e0297961cf0a93d02d6978ba58", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tensor.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut new_tensor = &mut Tensor::build(self.dim, new_rank, vec![T::zero(); len]); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `tensor` (lib) generated 1 warning [INFO] [stderr] warning: `tensor` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `tensor` (bin "tensor" test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tensor-0ebd8909611e74f9) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tensor-d04e133857a063a7) [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] [stderr] Doc-tests tensor [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" "c6cd978c3a39595e1eb6cdcc748864b02d38d1e0297961cf0a93d02d6978ba58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6cd978c3a39595e1eb6cdcc748864b02d38d1e0297961cf0a93d02d6978ba58", kill_on_drop: false }` [INFO] [stdout] c6cd978c3a39595e1eb6cdcc748864b02d38d1e0297961cf0a93d02d6978ba58