[INFO] fetching crate array-matrix 0.1.4...
[INFO] checking array-matrix-0.1.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate array-matrix 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate array-matrix 0.1.4
[INFO] finished tweaking crates.io crate array-matrix 0.1.4
[INFO] tweaked toml for crates.io crate array-matrix 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate array-matrix 0.1.4 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0079a5bbf6da728efee184263b24f2c34d47525c52fa2c0b8672a328290bc30e
[INFO] running `Command { std: "docker" "start" "-a" "0079a5bbf6da728efee184263b24f2c34d47525c52fa2c0b8672a328290bc30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0079a5bbf6da728efee184263b24f2c34d47525c52fa2c0b8672a328290bc30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0079a5bbf6da728efee184263b24f2c34d47525c52fa2c0b8672a328290bc30e", kill_on_drop: false }`
[INFO] [stdout] 0079a5bbf6da728efee184263b24f2c34d47525c52fa2c0b8672a328290bc30e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cea7e4eb96e4c60a6d70e48bef70e3540d7fc1d6a14b15fb8d8114b2f02fe5c
[INFO] running `Command { std: "docker" "start" "-a" "8cea7e4eb96e4c60a6d70e48bef70e3540d7fc1d6a14b15fb8d8114b2f02fe5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking array-matrix v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use crate::matrix::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `add` in the type namespace is first re-exported here
[INFO] [stdout] 10 | pub use crate::vector::*;
[INFO] [stdout]    |         ---------------- but the name `add` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use crate::matrix::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `sub` in the type namespace is first re-exported here
[INFO] [stdout] 10 | pub use crate::vector::*;
[INFO] [stdout]    |         ---------------- but the name `sub` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use crate::matrix::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `mul` in the type namespace is first re-exported here
[INFO] [stdout] 10 | pub use crate::vector::*;
[INFO] [stdout]    |         ---------------- but the name `mul` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use crate::matrix::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `conj` in the type namespace is first re-exported here
[INFO] [stdout] 10 | pub use crate::vector::*;
[INFO] [stdout]    |         ---------------- but the name `conj` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use crate::matrix::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `div` in the type namespace is first re-exported here
[INFO] [stdout] 10 | pub use crate::vector::*;
[INFO] [stdout]    |         ---------------- but the name `div` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use crate::matrix::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `add` in the type namespace is first re-exported here
[INFO] [stdout] 10 | pub use crate::vector::*;
[INFO] [stdout]    |         ---------------- but the name `add` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use crate::matrix::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `sub` in the type namespace is first re-exported here
[INFO] [stdout] 10 | pub use crate::vector::*;
[INFO] [stdout]    |         ---------------- but the name `sub` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use crate::matrix::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `mul` in the type namespace is first re-exported here
[INFO] [stdout] 10 | pub use crate::vector::*;
[INFO] [stdout]    |         ---------------- but the name `mul` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use crate::matrix::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `conj` in the type namespace is first re-exported here
[INFO] [stdout] 10 | pub use crate::vector::*;
[INFO] [stdout]    |         ---------------- but the name `conj` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use crate::matrix::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `div` in the type namespace is first re-exported here
[INFO] [stdout] 10 | pub use crate::vector::*;
[INFO] [stdout]    |         ---------------- but the name `div` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "8cea7e4eb96e4c60a6d70e48bef70e3540d7fc1d6a14b15fb8d8114b2f02fe5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cea7e4eb96e4c60a6d70e48bef70e3540d7fc1d6a14b15fb8d8114b2f02fe5c", kill_on_drop: false }`
[INFO] [stdout] 8cea7e4eb96e4c60a6d70e48bef70e3540d7fc1d6a14b15fb8d8114b2f02fe5c