[INFO] fetching crate parlib 0.1.1...
[INFO] checking parlib-0.1.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate parlib 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate parlib 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate parlib 0.1.1
[INFO] tweaked toml for crates.io crate parlib 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate parlib 0.1.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate parlib 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3326cb9969fd8367d5ced45143de2e0cb60048a1d2f91d6a405bc0be7ef0e617
[INFO] running `Command { std: "docker" "start" "-a" "3326cb9969fd8367d5ced45143de2e0cb60048a1d2f91d6a405bc0be7ef0e617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3326cb9969fd8367d5ced45143de2e0cb60048a1d2f91d6a405bc0be7ef0e617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3326cb9969fd8367d5ced45143de2e0cb60048a1d2f91d6a405bc0be7ef0e617", kill_on_drop: false }`
[INFO] [stdout] 3326cb9969fd8367d5ced45143de2e0cb60048a1d2f91d6a405bc0be7ef0e617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c42211b6f0a09eca12354bbc999b66fe7019975af1584b3e1c96a10895cc19b
[INFO] running `Command { std: "docker" "start" "-a" "1c42211b6f0a09eca12354bbc999b66fe7019975af1584b3e1c96a10895cc19b", kill_on_drop: false }`
[INFO] [stderr]     Checking parlib v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ParseMatch` and `ParseWhileOrNothing`
[INFO] [stdout]  --> src/parsers/and_p.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::{ParseMatch, ParseWhileOrNothing};
[INFO] [stdout]   |             ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ParseMatch` and `ParseWhileOrNothing`
[INFO] [stdout]  --> src/parsers/and_p.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::{ParseMatch, ParseWhileOrNothing};
[INFO] [stdout]   |             ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traits.rs:66:40
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn with_mapping<T>(self, mapping: &'_ dyn Fn(Self::Output) -> T) -> MapParser<Self, T> {
[INFO] [stdout]    |                                        ^^ the lifetime is elided here   ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn with_mapping<T>(self, mapping: &'_ dyn Fn(Self::Output) -> T) -> MapParser<'_, Self, T> {
[INFO] [stdout]    |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traits.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |         try_map: &'_ dyn Fn(Self::Output) -> Option<T>,
[INFO] [stdout]    |                   ^^ the lifetime is elided here
[INFO] [stdout] 76 |     ) -> TryMapParser<Self, T> {
[INFO] [stdout]    |          --------------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     ) -> TryMapParser<'_, Self, T> {
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traits.rs:66:40
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn with_mapping<T>(self, mapping: &'_ dyn Fn(Self::Output) -> T) -> MapParser<Self, T> {
[INFO] [stdout]    |                                        ^^ the lifetime is elided here   ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn with_mapping<T>(self, mapping: &'_ dyn Fn(Self::Output) -> T) -> MapParser<'_, Self, T> {
[INFO] [stdout]    |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traits.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |         try_map: &'_ dyn Fn(Self::Output) -> Option<T>,
[INFO] [stdout]    |                   ^^ the lifetime is elided here
[INFO] [stdout] 76 |     ) -> TryMapParser<Self, T> {
[INFO] [stdout]    |          --------------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     ) -> TryMapParser<'_, Self, T> {
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::Output`
[INFO] [stdout]  --> examples/json.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     process::Output,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "1c42211b6f0a09eca12354bbc999b66fe7019975af1584b3e1c96a10895cc19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c42211b6f0a09eca12354bbc999b66fe7019975af1584b3e1c96a10895cc19b", kill_on_drop: false }`
[INFO] [stdout] 1c42211b6f0a09eca12354bbc999b66fe7019975af1584b3e1c96a10895cc19b