[INFO] cloning repository https://github.com/chloro-pn/matrix-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chloro-pn/matrix-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchloro-pn%2Fmatrix-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchloro-pn%2Fmatrix-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bc0dcb57a41864d36c175e687309b91845b54ae
[INFO] testing chloro-pn/matrix-rs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchloro-pn%2Fmatrix-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chloro-pn/matrix-rs on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chloro-pn/matrix-rs
[INFO] finished tweaking git repo https://github.com/chloro-pn/matrix-rs
[INFO] tweaked toml for git repo https://github.com/chloro-pn/matrix-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/chloro-pn/matrix-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1a2c69980dc29a63bd1618eb696554a6fa91d5fbf78c57c112e58c6f3e07408
[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" "c1a2c69980dc29a63bd1618eb696554a6fa91d5fbf78c57c112e58c6f3e07408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1a2c69980dc29a63bd1618eb696554a6fa91d5fbf78c57c112e58c6f3e07408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a2c69980dc29a63bd1618eb696554a6fa91d5fbf78c57c112e58c6f3e07408", kill_on_drop: false }`
[INFO] [stdout] c1a2c69980dc29a63bd1618eb696554a6fa91d5fbf78c57c112e58c6f3e07408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c0978498c16d021f7b4cb7b5c546e84844d5e2c2027c4c6ca48ec433d63c857
[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" "3c0978498c16d021f7b4cb7b5c546e84844d5e2c2027c4c6ca48ec433d63c857", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set_nth_column`
[INFO] [stdout]    --> src/dense_matrix.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn set_nth_column(self : &mut Self, col : usize, v : Vector<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/dense_matrix.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |     #[warn(dead_code)]
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with`
[INFO] [stdout]   --> src/vector.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new_with(length : usize, value : T) -> Vector<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/vector.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[warn(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "3c0978498c16d021f7b4cb7b5c546e84844d5e2c2027c4c6ca48ec433d63c857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c0978498c16d021f7b4cb7b5c546e84844d5e2c2027c4c6ca48ec433d63c857", kill_on_drop: false }`
[INFO] [stdout] 3c0978498c16d021f7b4cb7b5c546e84844d5e2c2027c4c6ca48ec433d63c857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00642a0d7c0619ceadc6a5c5de17d7f91234bcb6694e3b1ee63b3de8765c9644
[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" "00642a0d7c0619ceadc6a5c5de17d7f91234bcb6694e3b1ee63b3de8765c9644", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set_nth_column`
[INFO] [stdout]    --> src/dense_matrix.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn set_nth_column(self : &mut Self, col : usize, v : Vector<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/dense_matrix.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |     #[warn(dead_code)]
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "00642a0d7c0619ceadc6a5c5de17d7f91234bcb6694e3b1ee63b3de8765c9644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00642a0d7c0619ceadc6a5c5de17d7f91234bcb6694e3b1ee63b3de8765c9644", kill_on_drop: false }`
[INFO] [stdout] 00642a0d7c0619ceadc6a5c5de17d7f91234bcb6694e3b1ee63b3de8765c9644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44807d8d2769dff18ac25122d4daf65fbf2d09df1d38c6fbfbf14be4d9bb8f28
[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" "44807d8d2769dff18ac25122d4daf65fbf2d09df1d38c6fbfbf14be4d9bb8f28", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `set_nth_column`
[INFO] [stdout] running 6 tests
[INFO] [stderr]    --> src/dense_matrix.rs:135:12
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn set_nth_column(self : &mut Self, col : usize, v : Vector<T>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/dense_matrix.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 134 |     #[warn(dead_code)]
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `matrix` (bin "matrix" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix-8731b945d1efbbb4)
[INFO] [stdout] test vector::tests::vector_new_with ... ok
[INFO] [stdout] test vector::tests::vector_set ... ok
[INFO] [stdout] test vector::tests::vector_new ... ok
[INFO] [stdout] test vector::tests::vector_iterator ... ok
[INFO] [stdout] test vector::tests::vector_set_out_of_range - should panic ... ok
[INFO] [stdout] test vector::tests::vector_index_out_of_range - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "44807d8d2769dff18ac25122d4daf65fbf2d09df1d38c6fbfbf14be4d9bb8f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44807d8d2769dff18ac25122d4daf65fbf2d09df1d38c6fbfbf14be4d9bb8f28", kill_on_drop: false }`
[INFO] [stdout] 44807d8d2769dff18ac25122d4daf65fbf2d09df1d38c6fbfbf14be4d9bb8f28