[INFO] fetching crate faster-beamer 0.1.7...
[INFO] testing faster-beamer-0.1.7 against 1.49.0 for beta-1.50-1
[INFO] extracting crate faster-beamer 0.1.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate faster-beamer 0.1.7 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate faster-beamer 0.1.7
[INFO] finished tweaking crates.io crate faster-beamer 0.1.7
[INFO] tweaked toml for crates.io crate faster-beamer 0.1.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate faster-beamer 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0973b4c5c958c07df33fc493cf354975fd8501f63286bf7364b1faf3c6904982
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0973b4c5c958c07df33fc493cf354975fd8501f63286bf7364b1faf3c6904982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0973b4c5c958c07df33fc493cf354975fd8501f63286bf7364b1faf3c6904982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0973b4c5c958c07df33fc493cf354975fd8501f63286bf7364b1faf3c6904982", kill_on_drop: false }`
[INFO] [stdout] 0973b4c5c958c07df33fc493cf354975fd8501f63286bf7364b1faf3c6904982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23c47595acbfc243ac8f9f6f80a5f28bc9ae7ad6d60d50c387ad8d94355e6214
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "23c47595acbfc243ac8f9f6f80a5f28bc9ae7ad6d60d50c387ad8d94355e6214", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling cachedir v0.1.1
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling filetime v0.2.9
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling inotify v0.7.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling console v0.10.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling indicatif v0.14.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling tree-sitter v0.6.3
[INFO] [stderr]    Compiling faster-beamer v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling hotwatch v0.4.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "23c47595acbfc243ac8f9f6f80a5f28bc9ae7ad6d60d50c387ad8d94355e6214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c47595acbfc243ac8f9f6f80a5f28bc9ae7ad6d60d50c387ad8d94355e6214", kill_on_drop: false }`
[INFO] [stdout] 23c47595acbfc243ac8f9f6f80a5f28bc9ae7ad6d60d50c387ad8d94355e6214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48f18d6c48bf0405aca50be32da99471356eda1244bf36c50de873bbbe523418
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48f18d6c48bf0405aca50be32da99471356eda1244bf36c50de873bbbe523418", kill_on_drop: false }`
[INFO] [stderr]    Compiling faster-beamer v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parsing.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |             for i in 0..l.node_kind_count() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 3.22s
[INFO] running `Command { std: "docker" "inspect" "48f18d6c48bf0405aca50be32da99471356eda1244bf36c50de873bbbe523418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f18d6c48bf0405aca50be32da99471356eda1244bf36c50de873bbbe523418", kill_on_drop: false }`
[INFO] [stdout] 48f18d6c48bf0405aca50be32da99471356eda1244bf36c50de873bbbe523418
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd5dbd8555db454e120758f9dca50ad149f380a689c66996dc7b9fe3c2b258c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dd5dbd8555db454e120758f9dca50ad149f380a689c66996dc7b9fe3c2b258c2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/parsing.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |             for i in 0..l.node_kind_count() {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/faster_beamer-fca1ab204ed78f66
[INFO] [stdout] running 3 tests
[INFO] [stdout] test parsing::tests::print_nodes_of_language ... ok
[INFO] [stdout] test beamer::tests::it_works ... ok
[INFO] [stdout] test tree_traversal::tests::test_get_scope_nodes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd5dbd8555db454e120758f9dca50ad149f380a689c66996dc7b9fe3c2b258c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5dbd8555db454e120758f9dca50ad149f380a689c66996dc7b9fe3c2b258c2", kill_on_drop: false }`
[INFO] [stdout] dd5dbd8555db454e120758f9dca50ad149f380a689c66996dc7b9fe3c2b258c2