[INFO] crate tensor 0.1.2 is already in cache [INFO] testing tensor-0.1.2 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate tensor 0.1.2 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate tensor 0.1.2 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [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-7/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8eac278ae01c8c959539d9d5fac41fe2508521cc347de601fb7038f65aa55c98 [INFO] running `"docker" "start" "-a" "8eac278ae01c8c959539d9d5fac41fe2508521cc347de601fb7038f65aa55c98"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-bigint v0.1.44 [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] [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: 1 warning emitted [INFO] [stderr] [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.18s [INFO] running `"docker" "inspect" "8eac278ae01c8c959539d9d5fac41fe2508521cc347de601fb7038f65aa55c98"` [INFO] running `"docker" "rm" "-f" "8eac278ae01c8c959539d9d5fac41fe2508521cc347de601fb7038f65aa55c98"` [INFO] [stdout] 8eac278ae01c8c959539d9d5fac41fe2508521cc347de601fb7038f65aa55c98 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a0ac799cc046cf5d8fd5d962a29f17ac6b6b92c74f120bada5de922913e54038 [INFO] running `"docker" "start" "-a" "a0ac799cc046cf5d8fd5d962a29f17ac6b6b92c74f120bada5de922913e54038"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Compiling tensor v0.1.2 (/opt/rustwide/workdir) [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: 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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `"docker" "inspect" "a0ac799cc046cf5d8fd5d962a29f17ac6b6b92c74f120bada5de922913e54038"` [INFO] running `"docker" "rm" "-f" "a0ac799cc046cf5d8fd5d962a29f17ac6b6b92c74f120bada5de922913e54038"` [INFO] [stdout] a0ac799cc046cf5d8fd5d962a29f17ac6b6b92c74f120bada5de922913e54038 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 273a73a5f60113e71e0ab432196dfbabf4c5b7460c07b3bcd5e129e69334b2ad [INFO] running `"docker" "start" "-a" "273a73a5f60113e71e0ab432196dfbabf4c5b7460c07b3bcd5e129e69334b2ad"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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: 1 warning emitted [INFO] [stderr] [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: 1 warning emitted [INFO] [stderr] [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tensor-da185fdbe6071dd8 [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tensor-aea30f115ada816a [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Doc-tests tensor [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "273a73a5f60113e71e0ab432196dfbabf4c5b7460c07b3bcd5e129e69334b2ad"` [INFO] running `"docker" "rm" "-f" "273a73a5f60113e71e0ab432196dfbabf4c5b7460c07b3bcd5e129e69334b2ad"` [INFO] [stdout] 273a73a5f60113e71e0ab432196dfbabf4c5b7460c07b3bcd5e129e69334b2ad