[INFO] cloning repository https://github.com/sixels/matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sixels/matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsixels%2Fmatrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsixels%2Fmatrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cc083f3838b1a3c45f02e8f1637d9fdb44227cd
[INFO] testing sixels/matrix against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsixels%2Fmatrix" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sixels/matrix on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sixels/matrix
[INFO] finished tweaking git repo https://github.com/sixels/matrix
[INFO] tweaked toml for git repo https://github.com/sixels/matrix written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/sixels/matrix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22dbb23b4ae64386e9e8d677fb1c6dacb004bd08ed5a5fa6359375e260bcc45c
[INFO] running `Command { std: "docker" "start" "-a" "22dbb23b4ae64386e9e8d677fb1c6dacb004bd08ed5a5fa6359375e260bcc45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22dbb23b4ae64386e9e8d677fb1c6dacb004bd08ed5a5fa6359375e260bcc45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22dbb23b4ae64386e9e8d677fb1c6dacb004bd08ed5a5fa6359375e260bcc45c", kill_on_drop: false }`
[INFO] [stdout] 22dbb23b4ae64386e9e8d677fb1c6dacb004bd08ed5a5fa6359375e260bcc45c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6be66b4ba1cde11deac035e04d357a51b5b45b71d3bfdb12af117dd3e945417b
[INFO] running `Command { std: "docker" "start" "-a" "6be66b4ba1cde11deac035e04d357a51b5b45b71d3bfdb12af117dd3e945417b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling crossterm v0.22.1
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.29s
[INFO] running `Command { std: "docker" "inspect" "6be66b4ba1cde11deac035e04d357a51b5b45b71d3bfdb12af117dd3e945417b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be66b4ba1cde11deac035e04d357a51b5b45b71d3bfdb12af117dd3e945417b", kill_on_drop: false }`
[INFO] [stdout] 6be66b4ba1cde11deac035e04d357a51b5b45b71d3bfdb12af117dd3e945417b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b8b673defdb87073fb122319b04f07b6fad52ec6501fd4ec7cb32e7f491c162
[INFO] running `Command { std: "docker" "start" "-a" "4b8b673defdb87073fb122319b04f07b6fad52ec6501fd4ec7cb32e7f491c162", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.03s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix-d7dc2a5a8583fbf6)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/matrix-35e5a8210a5fcc9e)
[INFO] running `Command { std: "docker" "inspect" "4b8b673defdb87073fb122319b04f07b6fad52ec6501fd4ec7cb32e7f491c162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8b673defdb87073fb122319b04f07b6fad52ec6501fd4ec7cb32e7f491c162", kill_on_drop: false }`
[INFO] [stdout] 4b8b673defdb87073fb122319b04f07b6fad52ec6501fd4ec7cb32e7f491c162
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a67fcf0e2d5fc756ebec9e6bfd05f50b22a6a991b70005d17a7d1672d474e783
[INFO] running `Command { std: "docker" "start" "-a" "a67fcf0e2d5fc756ebec9e6bfd05f50b22a6a991b70005d17a7d1672d474e783", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix-d7dc2a5a8583fbf6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/matrix-35e5a8210a5fcc9e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests matrix
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error[E0659]: `matrix` is ambiguous
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use matrix::Matrix;
[INFO] [stderr]   |         ^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: ambiguous because of multiple potential import sources
[INFO] [stderr]   = note: `matrix` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::matrix` to refer to this crate unambiguously
[INFO] [stderr] note: `matrix` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod matrix;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::matrix` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "a67fcf0e2d5fc756ebec9e6bfd05f50b22a6a991b70005d17a7d1672d474e783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67fcf0e2d5fc756ebec9e6bfd05f50b22a6a991b70005d17a7d1672d474e783", kill_on_drop: false }`
[INFO] [stdout] a67fcf0e2d5fc756ebec9e6bfd05f50b22a6a991b70005d17a7d1672d474e783