[INFO] fetching crate mediawiki_parser 0.4.2...
[INFO] checking mediawiki_parser-0.4.2 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate mediawiki_parser 0.4.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mediawiki_parser 0.4.2 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mediawiki_parser 0.4.2
[INFO] finished tweaking crates.io crate mediawiki_parser 0.4.2
[INFO] tweaked toml for crates.io crate mediawiki_parser 0.4.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07169230e955f70f9c7f3719edca20a87fcca93ef81dc9770e1236957a05fa56
[INFO] running `Command { std: "docker" "start" "-a" "07169230e955f70f9c7f3719edca20a87fcca93ef81dc9770e1236957a05fa56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07169230e955f70f9c7f3719edca20a87fcca93ef81dc9770e1236957a05fa56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07169230e955f70f9c7f3719edca20a87fcca93ef81dc9770e1236957a05fa56", kill_on_drop: false }`
[INFO] [stdout] 07169230e955f70f9c7f3719edca20a87fcca93ef81dc9770e1236957a05fa56
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 190e04d498142a18809af05ea0c30ecdb30c870661b53fd6c1259093ff6c184d
[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" "190e04d498142a18809af05ea0c30ecdb30c870661b53fd6c1259093ff6c184d", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling mediawiki_parser v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traversion.rs:21:69
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn work(&mut self, _root: &'a Element, _settings: S, _out: &mut io::Write) -> io::Result<bool> {
[INFO] [stdout]    |                                                                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traversion.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |         _out: &mut io::Write,
[INFO] [stdout]    |                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traversion.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |         out: &mut io::Write,
[INFO] [stdout]    |                   ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traversion.rs:54:65
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn run(&mut self, root: &'a Element, settings: S, out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/transformations.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type TFuncInplace<S> = Fn(Element, S) -> TResult;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Element, S) -> TResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/transformations.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type TFunc<S> = Fn(&Element, &[&Element], S) -> TResult;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Element, &[&Element], S) -> TResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/transformations.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     content_func: &Fn(&TFuncInplace<S>, &mut Vec<Element>, S) -> TListResult,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&TFuncInplace<S>, &mut Vec<Element>, S) -> TListResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/transformations.rs:154:20
[INFO] [stdout]     |
[INFO] [stdout] 154 |     content_func: &Fn(&TFunc<S>, &[Element], &[&Element], S) -> TListResult,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&TFunc<S>, &[Element], &[&Element], S) -> TListResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/default_transformations.rs:56:6
[INFO] [stdout]    |
[INFO] [stdout] 56 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/default_transformations.rs:150:6
[INFO] [stdout]     |
[INFO] [stdout] 150 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traversion.rs:21:69
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn work(&mut self, _root: &'a Element, _settings: S, _out: &mut io::Write) -> io::Result<bool> {
[INFO] [stdout]    |                                                                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traversion.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |         _out: &mut io::Write,
[INFO] [stdout]    |                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traversion.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |         out: &mut io::Write,
[INFO] [stdout]    |                   ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traversion.rs:54:65
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn run(&mut self, root: &'a Element, settings: S, out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/transformations.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type TFuncInplace<S> = Fn(Element, S) -> TResult;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Element, S) -> TResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/transformations.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type TFunc<S> = Fn(&Element, &[&Element], S) -> TResult;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Element, &[&Element], S) -> TResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/transformations.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     content_func: &Fn(&TFuncInplace<S>, &mut Vec<Element>, S) -> TListResult,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&TFuncInplace<S>, &mut Vec<Element>, S) -> TListResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/transformations.rs:154:20
[INFO] [stdout]     |
[INFO] [stdout] 154 |     content_func: &Fn(&TFunc<S>, &[Element], &[&Element], S) -> TListResult,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&TFunc<S>, &[Element], &[&Element], S) -> TListResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/default_transformations.rs:56:6
[INFO] [stdout]    |
[INFO] [stdout] 56 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/default_transformations.rs:150:6
[INFO] [stdout]     |
[INFO] [stdout] 150 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:158:45
[INFO] [stdout]     |
[INFO] [stdout] 158 |             MWError::ParseError(ref e) => e.description(),
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:159:54
[INFO] [stdout]     |
[INFO] [stdout] 159 |             MWError::TransformationError(ref e) => e.description(),
[INFO] [stdout]     |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:158:45
[INFO] [stdout]     |
[INFO] [stdout] 158 |             MWError::ParseError(ref e) => e.description(),
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:159:54
[INFO] [stdout]     |
[INFO] [stdout] 159 |             MWError::TransformationError(ref e) => e.description(),
[INFO] [stdout]     |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:35:34
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn read_from_reader(reader: &mut io::Read) -> String {
[INFO] [stdout]    |                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:35:34
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn read_from_reader(reader: &mut io::Read) -> String {
[INFO] [stdout]    |                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.64s
[INFO] running `Command { std: "docker" "inspect" "190e04d498142a18809af05ea0c30ecdb30c870661b53fd6c1259093ff6c184d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190e04d498142a18809af05ea0c30ecdb30c870661b53fd6c1259093ff6c184d", kill_on_drop: false }`
[INFO] [stdout] 190e04d498142a18809af05ea0c30ecdb30c870661b53fd6c1259093ff6c184d