[INFO] cloning repository https://github.com/d3sm0/rrk4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d3sm0/rrk4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3sm0%2Frrk4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3sm0%2Frrk4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7f7982eb4cf5e81a8044af19afc201fa988e758
[INFO] checking d3sm0/rrk4 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3sm0%2Frrk4" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d3sm0/rrk4 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d3sm0/rrk4
[INFO] finished tweaking git repo https://github.com/d3sm0/rrk4
[INFO] tweaked toml for git repo https://github.com/d3sm0/rrk4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/d3sm0/rrk4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inventory-impl v0.1.9
[INFO] [stderr]   Downloaded pyo3 v0.12.1
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.12.1
[INFO] [stderr]   Downloaded pyo3cls v0.12.1
[INFO] [stderr]   Downloaded unindent v0.1.6
[INFO] [stderr]   Downloaded inventory v0.1.9
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbf4cbf9dcded0031c794b6322c9f257e63594500ded0429ec25b1ef6c545f33
[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" "fbf4cbf9dcded0031c794b6322c9f257e63594500ded0429ec25b1ef6c545f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbf4cbf9dcded0031c794b6322c9f257e63594500ded0429ec25b1ef6c545f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf4cbf9dcded0031c794b6322c9f257e63594500ded0429ec25b1ef6c545f33", kill_on_drop: false }`
[INFO] [stdout] fbf4cbf9dcded0031c794b6322c9f257e63594500ded0429ec25b1ef6c545f33
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 420b35d6a45bce20cadc7b6dc9f2e1c4dd9de97fd486e044f0b67483faa87bb2
[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" "420b35d6a45bce20cadc7b6dc9f2e1c4dd9de97fd486e044f0b67483faa87bb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling pyo3 v0.12.1
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling pyo3-derive-backend v0.12.1
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.12.1
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking vdp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `ndarray::impl_constructors::<impl ndarray::ArrayBase<S, ndarray::Dim<[usize; 1]>>>::from_vec`: use standard `from`
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let x = Array1::from_vec(y);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `lib::ndarray::impl_constructors::<impl lib::ndarray::ArrayBase<S, lib::ndarray::Dim<[usize; 1]>>>::from_vec`: use standard `from`
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let x = Array1::from_vec(y);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `lib::ndarray::impl_constructors::<impl lib::ndarray::ArrayBase<S, lib::ndarray::Dim<[usize; 1]>>>::from_vec`: use standard `from`
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let x = Array1::from_vec(y);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `ndarray::impl_constructors::<impl ndarray::ArrayBase<S, ndarray::Dim<[usize; 1]>>>::from_vec`: use standard `from`
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let x = Array1::from_vec(y);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 32.35s
[INFO] running `Command { std: "docker" "inspect" "420b35d6a45bce20cadc7b6dc9f2e1c4dd9de97fd486e044f0b67483faa87bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420b35d6a45bce20cadc7b6dc9f2e1c4dd9de97fd486e044f0b67483faa87bb2", kill_on_drop: false }`
[INFO] [stdout] 420b35d6a45bce20cadc7b6dc9f2e1c4dd9de97fd486e044f0b67483faa87bb2