[INFO] cloning repository https://github.com/mmmpa/treeer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmmpa/treeer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Ftreeer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Ftreeer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df131f871c0e09b8d4baae8912c033d079809288
[INFO] testing mmmpa/treeer against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Ftreeer" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmmpa/treeer on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-30/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/mmmpa/treeer
[INFO] finished tweaking git repo https://github.com/mmmpa/treeer
[INFO] tweaked toml for git repo https://github.com/mmmpa/treeer written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/mmmpa/treeer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b12dce99890b20887692ad7306f4df15acbe87d94fd67eede852c07ad0d1aab
[INFO] running `Command { std: "docker" "start" "-a" "9b12dce99890b20887692ad7306f4df15acbe87d94fd67eede852c07ad0d1aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b12dce99890b20887692ad7306f4df15acbe87d94fd67eede852c07ad0d1aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b12dce99890b20887692ad7306f4df15acbe87d94fd67eede852c07ad0d1aab", kill_on_drop: false }`
[INFO] [stdout] 9b12dce99890b20887692ad7306f4df15acbe87d94fd67eede852c07ad0d1aab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8145d14af4f3a4937dbf2ce4d20d98c75c1d2c298e59ef5c109d880312d8cf58
[INFO] running `Command { std: "docker" "start" "-a" "8145d14af4f3a4937dbf2ce4d20d98c75c1d2c298e59ef5c109d880312d8cf58", kill_on_drop: false }`
[INFO] [stderr]    Compiling json v0.12.1
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling treeer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `errors`
[INFO] [stdout]  --> src/treeer/errors.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     errors: Errors
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "8145d14af4f3a4937dbf2ce4d20d98c75c1d2c298e59ef5c109d880312d8cf58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8145d14af4f3a4937dbf2ce4d20d98c75c1d2c298e59ef5c109d880312d8cf58", kill_on_drop: false }`
[INFO] [stdout] 8145d14af4f3a4937dbf2ce4d20d98c75c1d2c298e59ef5c109d880312d8cf58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fb19c4c61a5f9acae68ebf791e662800f72b8447f246de963e25b6c29eaee77
[INFO] running `Command { std: "docker" "start" "-a" "7fb19c4c61a5f9acae68ebf791e662800f72b8447f246de963e25b6c29eaee77", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `errors`
[INFO] [stdout]  --> src/treeer/errors.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     errors: Errors
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling treeer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `errors`
[INFO] [stdout]  --> src/treeer/errors.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     errors: Errors
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "7fb19c4c61a5f9acae68ebf791e662800f72b8447f246de963e25b6c29eaee77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb19c4c61a5f9acae68ebf791e662800f72b8447f246de963e25b6c29eaee77", kill_on_drop: false }`
[INFO] [stdout] 7fb19c4c61a5f9acae68ebf791e662800f72b8447f246de963e25b6c29eaee77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eaa5dc4905188ae5581d73307427022bd88864ff1134eaf98952b00bff49b86a
[INFO] running `Command { std: "docker" "start" "-a" "eaa5dc4905188ae5581d73307427022bd88864ff1134eaf98952b00bff49b86a", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `errors`
[INFO] [stderr]  --> src/treeer/errors.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     errors: Errors
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `treeer` (lib) generated 1 warning
[INFO] [stderr] warning: `treeer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/treeer-80e119a3873620aa)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::render_attr ... ok
[INFO] [stdout] test tests::render_container ... ok
[INFO] [stdout] test tests::render_self_contained ... ok
[INFO] [stdout] test treeer::state_attr::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests treeer
[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" "eaa5dc4905188ae5581d73307427022bd88864ff1134eaf98952b00bff49b86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa5dc4905188ae5581d73307427022bd88864ff1134eaf98952b00bff49b86a", kill_on_drop: false }`
[INFO] [stdout] eaa5dc4905188ae5581d73307427022bd88864ff1134eaf98952b00bff49b86a