[INFO] crate light_pencil 0.4.4 is already in cache
[INFO] extracting crate light_pencil 0.4.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/light_pencil/0.4.4
[INFO] extracting crate light_pencil 0.4.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/light_pencil/0.4.4
[INFO] validating manifest of light_pencil-0.4.4 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of light_pencil-0.4.4 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing light_pencil-0.4.4
[INFO] finished frobbing light_pencil-0.4.4
[INFO] frobbed toml for light_pencil-0.4.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/light_pencil/0.4.4/Cargo.toml
[INFO] started frobbing light_pencil-0.4.4
[INFO] finished frobbing light_pencil-0.4.4
[INFO] frobbed toml for light_pencil-0.4.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/light_pencil/0.4.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing light_pencil-0.4.4 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/light_pencil/0.4.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 89d42b16d3aecb3042702dcb58422e4c3e48f54babec0ffb1f5c9150ddb85376
[INFO] running `"docker" "start" "-a" "89d42b16d3aecb3042702dcb58422e4c3e48f54babec0ffb1f5c9150ddb85376"`
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling textnonce v0.6.5
[INFO] [stderr]    Compiling mime_multipart v0.5.2
[INFO] [stderr]    Compiling formdata v0.12.3
[INFO] [stderr]    Compiling light_pencil v0.4.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrappers.rs:45:56
[INFO] [stderr]    |
[INFO] [stderr] 45 |     body: RefCell<HttpReader<&'a mut BufReader<&'b mut NetworkStream>>>,
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkStream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:228:33
[INFO] [stderr]     |
[INFO] [stderr] 228 | pub struct ResponseBody<'a>(Box<Write + 'a>);
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:289:26
[INFO] [stderr]     |
[INFO] [stderr] 289 |     pub body: Option<Box<BodyWrite>>,
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn BodyWrite`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:77:53
[INFO] [stderr]    |
[INFO] [stderr] 77 |             PenHTTPError(ref err) => Some(&*err as &error::Error),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:88:29
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub type HTTPErrorHandler = Fn(HTTPError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HTTPError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:89:29
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub type UserErrorHandler = Fn(UserError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(UserError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub type BeforeRequestFunc = Fn(&mut Request) -> Option<PencilResult> + Send + Sync;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Request) -> Option<PencilResult> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:92:29
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub type AfterRequestFunc = Fn(&Request, &mut Response) + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Request, &mut Response) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:94:32
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub type TeardownRequestFunc = Fn(Option<&PencilError>) + Send + Sync;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&PencilError>) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:208:44
[INFO] [stderr]     |
[INFO] [stderr] 208 |         self.host_url() + self.full_path().trim_left_matches('/')
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:212:39
[INFO] [stderr]     |
[INFO] [stderr] 212 |         self.host_url() + self.path().trim_left_matches('/')
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/routing.rs:106:54
[INFO] [stderr]     |
[INFO] [stderr] 106 |         for (converter, variable) in parse_rule(rule.trim_right_matches('/')) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/routing.rs:272:39
[INFO] [stderr]     |
[INFO] [stderr] 272 |         let redirect_path = self.path.trim_left_matches('/').to_owned() + "/";
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.33s
[INFO] running `"docker" "inspect" "89d42b16d3aecb3042702dcb58422e4c3e48f54babec0ffb1f5c9150ddb85376"`
[INFO] running `"docker" "rm" "-f" "89d42b16d3aecb3042702dcb58422e4c3e48f54babec0ffb1f5c9150ddb85376"`
[INFO] [stdout] 89d42b16d3aecb3042702dcb58422e4c3e48f54babec0ffb1f5c9150ddb85376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/light_pencil/0.4.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 63e7912ab07206dcfd5d557d55ff8446ee085589b02e4bd85e1d9d2bb411ffbb
[INFO] running `"docker" "start" "-a" "63e7912ab07206dcfd5d557d55ff8446ee085589b02e4bd85e1d9d2bb411ffbb"`
[INFO] [stderr]    Compiling light_pencil v0.4.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrappers.rs:45:56
[INFO] [stderr]    |
[INFO] [stderr] 45 |     body: RefCell<HttpReader<&'a mut BufReader<&'b mut NetworkStream>>>,
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkStream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:228:33
[INFO] [stderr]     |
[INFO] [stderr] 228 | pub struct ResponseBody<'a>(Box<Write + 'a>);
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:289:26
[INFO] [stderr]     |
[INFO] [stderr] 289 |     pub body: Option<Box<BodyWrite>>,
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn BodyWrite`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:77:53
[INFO] [stderr]    |
[INFO] [stderr] 77 |             PenHTTPError(ref err) => Some(&*err as &error::Error),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:88:29
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub type HTTPErrorHandler = Fn(HTTPError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HTTPError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:89:29
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub type UserErrorHandler = Fn(UserError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(UserError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub type BeforeRequestFunc = Fn(&mut Request) -> Option<PencilResult> + Send + Sync;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Request) -> Option<PencilResult> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:92:29
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub type AfterRequestFunc = Fn(&Request, &mut Response) + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Request, &mut Response) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:94:32
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub type TeardownRequestFunc = Fn(Option<&PencilError>) + Send + Sync;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&PencilError>) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:208:44
[INFO] [stderr]     |
[INFO] [stderr] 208 |         self.host_url() + self.full_path().trim_left_matches('/')
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:212:39
[INFO] [stderr]     |
[INFO] [stderr] 212 |         self.host_url() + self.path().trim_left_matches('/')
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/routing.rs:106:54
[INFO] [stderr]     |
[INFO] [stderr] 106 |         for (converter, variable) in parse_rule(rule.trim_right_matches('/')) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/routing.rs:272:39
[INFO] [stderr]     |
[INFO] [stderr] 272 |         let redirect_path = self.path.trim_left_matches('/').to_owned() + "/";
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "63e7912ab07206dcfd5d557d55ff8446ee085589b02e4bd85e1d9d2bb411ffbb"`
[INFO] running `"docker" "rm" "-f" "63e7912ab07206dcfd5d557d55ff8446ee085589b02e4bd85e1d9d2bb411ffbb"`
[INFO] [stdout] 63e7912ab07206dcfd5d557d55ff8446ee085589b02e4bd85e1d9d2bb411ffbb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/light_pencil/0.4.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 05cd34f876f1e6237828397e763fae10538e56a6dcd519bf44850d7098f62060
[INFO] running `"docker" "start" "-a" "05cd34f876f1e6237828397e763fae10538e56a6dcd519bf44850d7098f62060"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/light_pencil-955658ce1389c4c3
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests light_pencil
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "05cd34f876f1e6237828397e763fae10538e56a6dcd519bf44850d7098f62060"`
[INFO] running `"docker" "rm" "-f" "05cd34f876f1e6237828397e763fae10538e56a6dcd519bf44850d7098f62060"`
[INFO] [stdout] 05cd34f876f1e6237828397e763fae10538e56a6dcd519bf44850d7098f62060