[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-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsixels%2Fmatrix" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sixels/matrix on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-23/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-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.22.1
[INFO] [stderr]   Downloaded signal-hook v0.3.10
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.0
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e12f4bbb105c9c4b3024516368752bec9122e05b4692af274d1feb78f48ad655
[INFO] running `Command { std: "docker" "start" "-a" "e12f4bbb105c9c4b3024516368752bec9122e05b4692af274d1feb78f48ad655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e12f4bbb105c9c4b3024516368752bec9122e05b4692af274d1feb78f48ad655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12f4bbb105c9c4b3024516368752bec9122e05b4692af274d1feb78f48ad655", kill_on_drop: false }`
[INFO] [stdout] e12f4bbb105c9c4b3024516368752bec9122e05b4692af274d1feb78f48ad655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5907324872ac2ff61dd6c972bdb03b3a3f47bce1a8e56e16df437c00d7dc1df
[INFO] running `Command { std: "docker" "start" "-a" "f5907324872ac2ff61dd6c972bdb03b3a3f47bce1a8e56e16df437c00d7dc1df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[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 crossterm v0.22.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "f5907324872ac2ff61dd6c972bdb03b3a3f47bce1a8e56e16df437c00d7dc1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5907324872ac2ff61dd6c972bdb03b3a3f47bce1a8e56e16df437c00d7dc1df", kill_on_drop: false }`
[INFO] [stdout] f5907324872ac2ff61dd6c972bdb03b3a3f47bce1a8e56e16df437c00d7dc1df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bac180cdafcac3175b235ccb0301d167b5a30be1e14d2bae929bd199daeedefc
[INFO] running `Command { std: "docker" "start" "-a" "bac180cdafcac3175b235ccb0301d167b5a30be1e14d2bae929bd199daeedefc", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "bac180cdafcac3175b235ccb0301d167b5a30be1e14d2bae929bd199daeedefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac180cdafcac3175b235ccb0301d167b5a30be1e14d2bae929bd199daeedefc", kill_on_drop: false }`
[INFO] [stdout] bac180cdafcac3175b235ccb0301d167b5a30be1e14d2bae929bd199daeedefc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d9d2fb3450b149fb16b8282321b2e5f322f81b1d58b17a34c154a8c1a7f6b96
[INFO] running `Command { std: "docker" "start" "-a" "3d9d2fb3450b149fb16b8282321b2e5f322f81b1d58b17a34c154a8c1a7f6b96", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix-d7dc2a5a8583fbf6)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix-35e5a8210a5fcc9e)
[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] [stderr]    Doc-tests matrix
[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" "3d9d2fb3450b149fb16b8282321b2e5f322f81b1d58b17a34c154a8c1a7f6b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9d2fb3450b149fb16b8282321b2e5f322f81b1d58b17a34c154a8c1a7f6b96", kill_on_drop: false }`
[INFO] [stdout] 3d9d2fb3450b149fb16b8282321b2e5f322f81b1d58b17a34c154a8c1a7f6b96