[INFO] fetching crate axb 0.1.4...
[INFO] testing axb-0.1.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate axb 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate axb 0.1.4
[INFO] finished tweaking crates.io crate axb 0.1.4
[INFO] tweaked toml for crates.io crate axb 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate axb 0.1.4 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate axb 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 374277019a1a2923066e7aa785ccf92ed1bb93d476db78ab2b2edc80ba78fc6a
[INFO] running `Command { std: "docker" "start" "-a" "374277019a1a2923066e7aa785ccf92ed1bb93d476db78ab2b2edc80ba78fc6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "374277019a1a2923066e7aa785ccf92ed1bb93d476db78ab2b2edc80ba78fc6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374277019a1a2923066e7aa785ccf92ed1bb93d476db78ab2b2edc80ba78fc6a", kill_on_drop: false }`
[INFO] [stdout] 374277019a1a2923066e7aa785ccf92ed1bb93d476db78ab2b2edc80ba78fc6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 725cfd0288d6f93ae2eb7a87326d50c1a3f00df050a23d09394efa63785448e0
[INFO] running `Command { std: "docker" "start" "-a" "725cfd0288d6f93ae2eb7a87326d50c1a3f00df050a23d09394efa63785448e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling axb v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `non_square_matrix_error` is never used
[INFO] [stdout]  --> src/matrix/errors.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn non_square_matrix_error(r: &usize, c: &usize) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "725cfd0288d6f93ae2eb7a87326d50c1a3f00df050a23d09394efa63785448e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725cfd0288d6f93ae2eb7a87326d50c1a3f00df050a23d09394efa63785448e0", kill_on_drop: false }`
[INFO] [stdout] 725cfd0288d6f93ae2eb7a87326d50c1a3f00df050a23d09394efa63785448e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe824300481d80b95f756989f9daf4f8e456d99cff6aeb29d0d2a8194aa27612
[INFO] running `Command { std: "docker" "start" "-a" "fe824300481d80b95f756989f9daf4f8e456d99cff6aeb29d0d2a8194aa27612", kill_on_drop: false }`
[INFO] [stdout] warning: function `non_square_matrix_error` is never used
[INFO] [stdout]  --> src/matrix/errors.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn non_square_matrix_error(r: &usize, c: &usize) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling axb v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `non_square_matrix_error` is never used
[INFO] [stdout]  --> src/matrix/errors.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn non_square_matrix_error(r: &usize, c: &usize) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "fe824300481d80b95f756989f9daf4f8e456d99cff6aeb29d0d2a8194aa27612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe824300481d80b95f756989f9daf4f8e456d99cff6aeb29d0d2a8194aa27612", kill_on_drop: false }`
[INFO] [stdout] fe824300481d80b95f756989f9daf4f8e456d99cff6aeb29d0d2a8194aa27612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e83d5a3553a7272e51fd96ceb97ab792c445ed1ca2cd1f75644ee2cbd3fed8ae
[INFO] running `Command { std: "docker" "start" "-a" "e83d5a3553a7272e51fd96ceb97ab792c445ed1ca2cd1f75644ee2cbd3fed8ae", kill_on_drop: false }`
[INFO] [stderr] warning: function `non_square_matrix_error` is never used
[INFO] [stderr]  --> src/matrix/errors.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn non_square_matrix_error(r: &usize, c: &usize) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `axb` (lib) generated 1 warning
[INFO] [stderr] warning: `axb` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/axb-9df6f4adbed895be)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/axb-9d608ccd99f6c7e8)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests axb
[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] [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] [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" "e83d5a3553a7272e51fd96ceb97ab792c445ed1ca2cd1f75644ee2cbd3fed8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83d5a3553a7272e51fd96ceb97ab792c445ed1ca2cd1f75644ee2cbd3fed8ae", kill_on_drop: false }`
[INFO] [stdout] e83d5a3553a7272e51fd96ceb97ab792c445ed1ca2cd1f75644ee2cbd3fed8ae