[INFO] fetching crate lin_algebra 0.2.0...
[INFO] testing lin_algebra-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate lin_algebra 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate lin_algebra 0.2.0
[INFO] finished tweaking crates.io crate lin_algebra 0.2.0
[INFO] tweaked toml for crates.io crate lin_algebra 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lin_algebra 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e74ff7cd12b47228630c9c62083d71aced2d0e63947d7f84ded5bd5062e127c
[INFO] running `Command { std: "docker" "start" "-a" "0e74ff7cd12b47228630c9c62083d71aced2d0e63947d7f84ded5bd5062e127c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e74ff7cd12b47228630c9c62083d71aced2d0e63947d7f84ded5bd5062e127c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e74ff7cd12b47228630c9c62083d71aced2d0e63947d7f84ded5bd5062e127c", kill_on_drop: false }`
[INFO] [stdout] 0e74ff7cd12b47228630c9c62083d71aced2d0e63947d7f84ded5bd5062e127c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33cf37e0ecb1752bec8001b64722bbd64a58923d7a7b88b384b937d1e9bd2783
[INFO] running `Command { std: "docker" "start" "-a" "33cf37e0ecb1752bec8001b64722bbd64a58923d7a7b88b384b937d1e9bd2783", kill_on_drop: false }`
[INFO] [stderr]    Compiling lin_algebra v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "33cf37e0ecb1752bec8001b64722bbd64a58923d7a7b88b384b937d1e9bd2783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33cf37e0ecb1752bec8001b64722bbd64a58923d7a7b88b384b937d1e9bd2783", kill_on_drop: false }`
[INFO] [stdout] 33cf37e0ecb1752bec8001b64722bbd64a58923d7a7b88b384b937d1e9bd2783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a29f48a8c4f22a3e6c6516ec8173dcc39e4e918ba06dfb2acd19a752fa1cfa7b
[INFO] running `Command { std: "docker" "start" "-a" "a29f48a8c4f22a3e6c6516ec8173dcc39e4e918ba06dfb2acd19a752fa1cfa7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lin_algebra v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "a29f48a8c4f22a3e6c6516ec8173dcc39e4e918ba06dfb2acd19a752fa1cfa7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29f48a8c4f22a3e6c6516ec8173dcc39e4e918ba06dfb2acd19a752fa1cfa7b", kill_on_drop: false }`
[INFO] [stdout] a29f48a8c4f22a3e6c6516ec8173dcc39e4e918ba06dfb2acd19a752fa1cfa7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d54895e8467f47804643aaded4b33e76eef62b1f370caecfb10a4cab4f73e3a
[INFO] running `Command { std: "docker" "start" "-a" "8d54895e8467f47804643aaded4b33e76eef62b1f370caecfb10a4cab4f73e3a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lin_algebra-81fd819f377edc79)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::echelon_form_matrix ... ok
[INFO] [stdout] test tests::echelon_form_ops ... ok
[INFO] [stdout] test tests::get_pivot ... ok
[INFO] [stdout] test tests::instantiate_matrix ... ok
[INFO] [stdout] test tests::image ... ok
[INFO] [stdout] test tests::is_reduced_echelon ... ok
[INFO] [stdout] test tests::is_reduced_echelon_zero_row ... ok
[INFO] [stdout] test tests::kernel ... ok
[INFO] [stdout] test tests::ncols_nrows ... ok
[INFO] [stdout] test tests::rank ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lin_algebra
[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" "8d54895e8467f47804643aaded4b33e76eef62b1f370caecfb10a4cab4f73e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d54895e8467f47804643aaded4b33e76eef62b1f370caecfb10a4cab4f73e3a", kill_on_drop: false }`
[INFO] [stdout] 8d54895e8467f47804643aaded4b33e76eef62b1f370caecfb10a4cab4f73e3a