[INFO] fetching crate parlib 0.1.1...
[INFO] building parlib-0.1.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate parlib 0.1.1 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate parlib 0.1.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a02769c856a0189269756b71b6a353f18fc388667386e61abbd0ac909ba3777e
[INFO] running `Command { std: "docker" "start" "-a" "a02769c856a0189269756b71b6a353f18fc388667386e61abbd0ac909ba3777e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a02769c856a0189269756b71b6a353f18fc388667386e61abbd0ac909ba3777e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02769c856a0189269756b71b6a353f18fc388667386e61abbd0ac909ba3777e", kill_on_drop: false }`
[INFO] [stdout] a02769c856a0189269756b71b6a353f18fc388667386e61abbd0ac909ba3777e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f18c714a559010cc6f1f72e0c9ee6dd7e88ebcac7da1e3118c4cb2d764867b3
[INFO] running `Command { std: "docker" "start" "-a" "5f18c714a559010cc6f1f72e0c9ee6dd7e88ebcac7da1e3118c4cb2d764867b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "5f18c714a559010cc6f1f72e0c9ee6dd7e88ebcac7da1e3118c4cb2d764867b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f18c714a559010cc6f1f72e0c9ee6dd7e88ebcac7da1e3118c4cb2d764867b3", kill_on_drop: false }`
[INFO] [stdout] 5f18c714a559010cc6f1f72e0c9ee6dd7e88ebcac7da1e3118c4cb2d764867b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5d5dacd52d3194ff776d9eb969f4fca83af74ec0d3ddaa81e11f115fd119ba5
[INFO] running `Command { std: "docker" "start" "-a" "a5d5dacd52d3194ff776d9eb969f4fca83af74ec0d3ddaa81e11f115fd119ba5", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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] [stderr]    Compiling parlib v0.1.1 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "a5d5dacd52d3194ff776d9eb969f4fca83af74ec0d3ddaa81e11f115fd119ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d5dacd52d3194ff776d9eb969f4fca83af74ec0d3ddaa81e11f115fd119ba5", kill_on_drop: false }`
[INFO] [stdout] a5d5dacd52d3194ff776d9eb969f4fca83af74ec0d3ddaa81e11f115fd119ba5