[INFO] fetching crate markab_parser 0.7.0...
[INFO] checking markab_parser-0.7.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate markab_parser 0.7.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate markab_parser 0.7.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate markab_parser 0.7.0
[INFO] finished tweaking crates.io crate markab_parser 0.7.0
[INFO] tweaked toml for crates.io crate markab_parser 0.7.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] d588cb2b96a42b9774e3ebde3c25165b6e22fa94b01c7a4f9653f743b20f229c
[INFO] running `Command { std: "docker" "start" "-a" "d588cb2b96a42b9774e3ebde3c25165b6e22fa94b01c7a4f9653f743b20f229c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d588cb2b96a42b9774e3ebde3c25165b6e22fa94b01c7a4f9653f743b20f229c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d588cb2b96a42b9774e3ebde3c25165b6e22fa94b01c7a4f9653f743b20f229c", kill_on_drop: false }`
[INFO] [stdout] d588cb2b96a42b9774e3ebde3c25165b6e22fa94b01c7a4f9653f743b20f229c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d50bc5a1399075720d42058301b4ccd41369afc4872911e56e5536d31320ca71
[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" "d50bc5a1399075720d42058301b4ccd41369afc4872911e56e5536d31320ca71", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking markab_parser v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gen_parser/parser.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     generator: &'a Fn(&P1::Output) -> P2,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&P1::Output) -> P2`
[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/gen_parser/parser.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     generator: &'a Fn(&P1::Output) -> P2,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&P1::Output) -> P2`
[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/gen_parser/parser.rs:32:45
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(requirement: P1, generator: &'a Fn(&P1::Output) -> P2) -> Self
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&P1::Output) -> P2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/map_parser/parser.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |     mapper: &'a Fn(P::Output) -> R,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(P::Output) -> R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/map_parser/parser.rs:26:41
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(requirement: P, mapper: &'a Fn(P::Output) -> R) -> Self
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(P::Output) -> R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gen_parser/parser.rs:32:45
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(requirement: P1, generator: &'a Fn(&P1::Output) -> P2) -> Self
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&P1::Output) -> P2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/map_parser/parser.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |     mapper: &'a Fn(P::Output) -> R,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(P::Output) -> R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/map_parser/parser.rs:26:41
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(requirement: P, mapper: &'a Fn(P::Output) -> R) -> Self
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(P::Output) -> R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:50:30
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn map<R>(self, mapper: &'a Fn(Self::Output) -> R) -> MapParser<'a, Self, R>
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Self::Output) -> R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:50:30
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn map<R>(self, mapper: &'a Fn(Self::Output) -> R) -> MapParser<'a, Self, R>
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Self::Output) -> R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:57:37
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn and_gen<P>(self, generator: &'a Fn(&Self::Output) -> P) -> GenParser<'a, Self, P>
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self::Output) -> P`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:57:37
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn and_gen<P>(self, generator: &'a Fn(&Self::Output) -> P) -> GenParser<'a, Self, P>
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self::Output) -> P`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/map_parser/parser.rs:88:6
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let res = parser.parse(src, &mut pos);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "d50bc5a1399075720d42058301b4ccd41369afc4872911e56e5536d31320ca71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50bc5a1399075720d42058301b4ccd41369afc4872911e56e5536d31320ca71", kill_on_drop: false }`
[INFO] [stdout] d50bc5a1399075720d42058301b4ccd41369afc4872911e56e5536d31320ca71