[INFO] fetching crate minify 1.2.0...
[INFO] testing minify-1.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate minify 1.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate minify 1.2.0 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 minify 1.2.0
[INFO] finished tweaking crates.io crate minify 1.2.0
[INFO] tweaked toml for crates.io crate minify 1.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 870b6f2a0f28b27efa6a6a3ac664b6294db949567ca6683609d76ff2c480c546
[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" "870b6f2a0f28b27efa6a6a3ac664b6294db949567ca6683609d76ff2c480c546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "870b6f2a0f28b27efa6a6a3ac664b6294db949567ca6683609d76ff2c480c546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870b6f2a0f28b27efa6a6a3ac664b6294db949567ca6683609d76ff2c480c546", kill_on_drop: false }`
[INFO] [stdout] 870b6f2a0f28b27efa6a6a3ac664b6294db949567ca6683609d76ff2c480c546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5479879f7d08d0b79cbf260a407301bf11c7c32383e5fb258bc6e52a98cb6d7c
[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" "5479879f7d08d0b79cbf260a407301bf11c7c32383e5fb258bc6e52a98cb6d7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling minify v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "5479879f7d08d0b79cbf260a407301bf11c7c32383e5fb258bc6e52a98cb6d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5479879f7d08d0b79cbf260a407301bf11c7c32383e5fb258bc6e52a98cb6d7c", kill_on_drop: false }`
[INFO] [stdout] 5479879f7d08d0b79cbf260a407301bf11c7c32383e5fb258bc6e52a98cb6d7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0c91294bb5c0cb52bf3de94d3d127e4c89e4de43e1a02b22a8423086e3b76b8c
[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" "0c91294bb5c0cb52bf3de94d3d127e4c89e4de43e1a02b22a8423086e3b76b8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling minify v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused result
[INFO] [stdout]   --> src/html/mod.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | /     minify_from_read(file)
[INFO] [stdout] 82 | |         .read_to_string(&mut actual)
[INFO] [stdout] 83 | |         .expect("error at read");
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     unused_results,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused result
[INFO] [stdout]   --> src/json/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | /     minify_from_read(file)
[INFO] [stdout] 77 | |         .read_to_string(&mut actual)
[INFO] [stdout] 78 | |         .expect("error at read");
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "0c91294bb5c0cb52bf3de94d3d127e4c89e4de43e1a02b22a8423086e3b76b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c91294bb5c0cb52bf3de94d3d127e4c89e4de43e1a02b22a8423086e3b76b8c", kill_on_drop: false }`
[INFO] [stdout] 0c91294bb5c0cb52bf3de94d3d127e4c89e4de43e1a02b22a8423086e3b76b8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9036e02a3e366d2c87a4565e4b9328ecb09e84610eecc182df5adee8da6bb185
[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" "9036e02a3e366d2c87a4565e4b9328ecb09e84610eecc182df5adee8da6bb185", kill_on_drop: false }`
[INFO] [stderr] warning: unused result
[INFO] [stderr]   --> src/html/mod.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     minify_from_read(file)
[INFO] [stderr] 82 | |         .read_to_string(&mut actual)
[INFO] [stderr] 83 | |         .expect("error at read");
[INFO] [stderr]    | |_________________________________^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     unused_results,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused result
[INFO] [stderr]   --> src/json/mod.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 | /     minify_from_read(file)
[INFO] [stderr] 77 | |         .read_to_string(&mut actual)
[INFO] [stderr] 78 | |         .expect("error at read");
[INFO] [stderr]    | |_________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minify-edc6857fcd706058
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test html::keep_important_comments ... ok
[INFO] [stdout] test html::keep_whitespace_between_content_but_remove_double ... ok
[INFO] [stdout] test html::removal_from_read ... ok
[INFO] [stdout] test html::removal_of_comments_inside_of_tags ... ok
[INFO] [stdout] test html::removal_of_comments_outside_of_tags ... ok
[INFO] [stdout] test html::removal_of_control_characters ... ok
[INFO] [stdout] test html::removal_of_double_whitespace_outside_of_tags ... ok
[INFO] [stdout] test html::removal_of_whitespace_inside_of_tags ... ok
[INFO] [stdout] test html::keep_important_whitespaces ... ok
[INFO] [stdout] test html::removal_of_whitespace_outside_of_tags ... ok
[INFO] [stdout] test json::removal_from_read ... ok
[INFO] [stdout] test json::removal_of_control_characters ... ok
[INFO] [stdout] test json::removal_of_whitespace_outside_of_tags ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minify
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/json/mod.rs - json::minify (line 27) ... ok
[INFO] [stdout] test src/html/mod.rs - html::minify (line 27) ... ok
[INFO] [stdout] test src/html/mod.rs - html::minify_from_read (line 54) ... ok
[INFO] [stdout] test src/json/mod.rs - json::minify_from_read (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9036e02a3e366d2c87a4565e4b9328ecb09e84610eecc182df5adee8da6bb185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9036e02a3e366d2c87a4565e4b9328ecb09e84610eecc182df5adee8da6bb185", kill_on_drop: false }`
[INFO] [stdout] 9036e02a3e366d2c87a4565e4b9328ecb09e84610eecc182df5adee8da6bb185