[INFO] fetching crate noteref 0.9.1...
[INFO] testing noteref-0.9.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate noteref 0.9.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate noteref 0.9.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate noteref 0.9.1
[INFO] finished tweaking crates.io crate noteref 0.9.1
[INFO] tweaked toml for crates.io crate noteref 0.9.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9838691fad28d0e07ef08c32d6e13a3a50b2925bb97f77789b1621ae43845e48
[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" "9838691fad28d0e07ef08c32d6e13a3a50b2925bb97f77789b1621ae43845e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9838691fad28d0e07ef08c32d6e13a3a50b2925bb97f77789b1621ae43845e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9838691fad28d0e07ef08c32d6e13a3a50b2925bb97f77789b1621ae43845e48", kill_on_drop: false }`
[INFO] [stdout] 9838691fad28d0e07ef08c32d6e13a3a50b2925bb97f77789b1621ae43845e48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22003311a259c2b771fcd790c713d13a9a1f2e81f76991488c70877ed0bee403
[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" "22003311a259c2b771fcd790c713d13a9a1f2e81f76991488c70877ed0bee403", kill_on_drop: false }`
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ignore v0.4.16
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling noteref v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/walk.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut possible_file = File::open(dir_entry.path());
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 17.19s
[INFO] running `Command { std: "docker" "inspect" "22003311a259c2b771fcd790c713d13a9a1f2e81f76991488c70877ed0bee403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22003311a259c2b771fcd790c713d13a9a1f2e81f76991488c70877ed0bee403", kill_on_drop: false }`
[INFO] [stdout] 22003311a259c2b771fcd790c713d13a9a1f2e81f76991488c70877ed0bee403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 654b19459cab4ef2fa40a5c13a561fb4761547dd39a0d216db32df7d970dd1ab
[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" "654b19459cab4ef2fa40a5c13a561fb4761547dd39a0d216db32df7d970dd1ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling noteref v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/walk.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut possible_file = File::open(dir_entry.path());
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 3.07s
[INFO] running `Command { std: "docker" "inspect" "654b19459cab4ef2fa40a5c13a561fb4761547dd39a0d216db32df7d970dd1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654b19459cab4ef2fa40a5c13a561fb4761547dd39a0d216db32df7d970dd1ab", kill_on_drop: false }`
[INFO] [stdout] 654b19459cab4ef2fa40a5c13a561fb4761547dd39a0d216db32df7d970dd1ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af640806460a05324e37824c9d87a3a719431d6bec381a4fbf6784f68f9db86f
[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" "af640806460a05324e37824c9d87a3a719431d6bec381a4fbf6784f68f9db86f", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/walk.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut possible_file = File::open(dir_entry.path());
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/noteref-a6bd975d511bdd05
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test citations::tests::check_ok ... ok
[INFO] [stdout] test duplicates::tests::check_dupes ... ok
[INFO] [stdout] test tag::tests::parse_empty ... ok
[INFO] [stdout] test count::tests::count_zero ... ok
[INFO] [stdout] test tag::tests::parse_whitespace ... ok
[INFO] [stdout] test tag::tests::parse_multiple_lines ... ok
[INFO] [stdout] test duplicates::tests::check_no_dupes ... ok
[INFO] [stdout] test tag::tests::parse_reference_basic ... ok
[INFO] [stdout] test tag::tests::parse_multiple_per_line ... ok
[INFO] [stdout] test tag::tests::parse_note_basic ... ok
[INFO] [stdout] test duplicates::tests::check_empty ... ok
[INFO] [stdout] test count::tests::count_two ... ok
[INFO] [stdout] test count::tests::count_one ... ok
[INFO] [stdout] test citations::tests::check_missing ... ok
[INFO] [stdout] test citations::tests::check_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af640806460a05324e37824c9d87a3a719431d6bec381a4fbf6784f68f9db86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af640806460a05324e37824c9d87a3a719431d6bec381a4fbf6784f68f9db86f", kill_on_drop: false }`
[INFO] [stdout] af640806460a05324e37824c9d87a3a719431d6bec381a4fbf6784f68f9db86f
