[INFO] cloning repository https://github.com/xnuk/libyaml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xnuk/libyaml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxnuk%2Flibyaml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxnuk%2Flibyaml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1100c30e16ce07b6ce9cceea8e84066ee8ebcbb
[INFO] testing xnuk/libyaml against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxnuk%2Flibyaml" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xnuk/libyaml on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xnuk/libyaml
[INFO] finished tweaking git repo https://github.com/xnuk/libyaml
[INFO] tweaked toml for git repo https://github.com/xnuk/libyaml written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/xnuk/libyaml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11445160ede1e6187f28065568d627642dc27f4e2e9124c6884661ec7816cd2b
[INFO] running `Command { std: "docker" "start" "-a" "11445160ede1e6187f28065568d627642dc27f4e2e9124c6884661ec7816cd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11445160ede1e6187f28065568d627642dc27f4e2e9124c6884661ec7816cd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11445160ede1e6187f28065568d627642dc27f4e2e9124c6884661ec7816cd2b", kill_on_drop: false }`
[INFO] [stdout] 11445160ede1e6187f28065568d627642dc27f4e2e9124c6884661ec7816cd2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e7571c18fae134cb231e0568dc82bdd3c8e2b1b742615a9207ab75565e3885d
[INFO] running `Command { std: "docker" "start" "-a" "8e7571c18fae134cb231e0568dc82bdd3c8e2b1b742615a9207ab75565e3885d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling yam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `style`
[INFO] [stdout]    --> src/structed.rs:123:19
[INFO] [stdout]     |
[INFO] [stdout] 123 |             Scalar(string, style, anchor, tt) => {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_style`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt`
[INFO] [stdout]    --> src/structed.rs:123:34
[INFO] [stdout]     |
[INFO] [stdout] 123 |             Scalar(string, style, anchor, tt) => {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "8e7571c18fae134cb231e0568dc82bdd3c8e2b1b742615a9207ab75565e3885d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7571c18fae134cb231e0568dc82bdd3c8e2b1b742615a9207ab75565e3885d", kill_on_drop: false }`
[INFO] [stdout] 8e7571c18fae134cb231e0568dc82bdd3c8e2b1b742615a9207ab75565e3885d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b4d9a6668fb0054ec3a736281c3266c9fa5844b3b6790f24fac1ca5cb2e2f7d
[INFO] running `Command { std: "docker" "start" "-a" "0b4d9a6668fb0054ec3a736281c3266c9fa5844b3b6790f24fac1ca5cb2e2f7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling yam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `style`
[INFO] [stdout]    --> src/structed.rs:123:19
[INFO] [stdout]     |
[INFO] [stdout] 123 |             Scalar(string, style, anchor, tt) => {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_style`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt`
[INFO] [stdout]    --> src/structed.rs:123:34
[INFO] [stdout]     |
[INFO] [stdout] 123 |             Scalar(string, style, anchor, tt) => {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `style`
[INFO] [stdout]    --> src/structed.rs:123:19
[INFO] [stdout]     |
[INFO] [stdout] 123 |             Scalar(string, style, anchor, tt) => {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_style`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt`
[INFO] [stdout]    --> src/structed.rs:123:34
[INFO] [stdout]     |
[INFO] [stdout] 123 |             Scalar(string, style, anchor, tt) => {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0b4d9a6668fb0054ec3a736281c3266c9fa5844b3b6790f24fac1ca5cb2e2f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4d9a6668fb0054ec3a736281c3266c9fa5844b3b6790f24fac1ca5cb2e2f7d", kill_on_drop: false }`
[INFO] [stdout] 0b4d9a6668fb0054ec3a736281c3266c9fa5844b3b6790f24fac1ca5cb2e2f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62e5ffd58860eb9b9ba5af2b7a569f8dccffc332afe35d5d0d03f505bf36c8a3
[INFO] running `Command { std: "docker" "start" "-a" "62e5ffd58860eb9b9ba5af2b7a569f8dccffc332afe35d5d0d03f505bf36c8a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `style`
[INFO] [stderr]    --> src/structed.rs:123:19
[INFO] [stderr]     |
[INFO] [stderr] 123 |             Scalar(string, style, anchor, tt) => {
[INFO] [stderr]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_style`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tt`
[INFO] [stderr]    --> src/structed.rs:123:34
[INFO] [stderr]     |
[INFO] [stderr] 123 |             Scalar(string, style, anchor, tt) => {
[INFO] [stderr]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stderr] 
[INFO] [stderr] warning: `yam` (lib) generated 2 warnings
[INFO] [stderr] warning: `yam` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yam-b319d4cfce557fd1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test json::test::escape_test ... ok
[INFO] [stdout] test streamed::test::parsing_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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/yam-f7b3d471426a3ba5)
[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 yam
[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" "62e5ffd58860eb9b9ba5af2b7a569f8dccffc332afe35d5d0d03f505bf36c8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e5ffd58860eb9b9ba5af2b7a569f8dccffc332afe35d5d0d03f505bf36c8a3", kill_on_drop: false }`
[INFO] [stdout] 62e5ffd58860eb9b9ba5af2b7a569f8dccffc332afe35d5d0d03f505bf36c8a3