[INFO] fetching crate monch 0.5.0...
[INFO] testing monch-0.5.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate monch 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate monch 0.5.0
[INFO] finished tweaking crates.io crate monch 0.5.0
[INFO] tweaked toml for crates.io crate monch 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate monch 0.5.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cd99f55c79c0cf4e48bb8957bf8f7c2f05feb031b913c4dfa7fa069bcc19ab0
[INFO] running `Command { std: "docker" "start" "-a" "1cd99f55c79c0cf4e48bb8957bf8f7c2f05feb031b913c4dfa7fa069bcc19ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cd99f55c79c0cf4e48bb8957bf8f7c2f05feb031b913c4dfa7fa069bcc19ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd99f55c79c0cf4e48bb8957bf8f7c2f05feb031b913c4dfa7fa069bcc19ab0", kill_on_drop: false }`
[INFO] [stdout] 1cd99f55c79c0cf4e48bb8957bf8f7c2f05feb031b913c4dfa7fa069bcc19ab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 793e2c3281675bb08c334e359a2233660100b710efbf1afe27c1efb1e5d97111
[INFO] running `Command { std: "docker" "start" "-a" "793e2c3281675bb08c334e359a2233660100b710efbf1afe27c1efb1e5d97111", kill_on_drop: false }`
[INFO] [stderr]    Compiling monch v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:461:31
[INFO] [stdout]     |
[INFO] [stdout] 461 | pub fn skip_whitespace(input: &str) -> ParseResult<()> {
[INFO] [stdout]     |                               ^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided 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] 461 | pub fn skip_whitespace(input: &str) -> ParseResult<'_, ()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:471:26
[INFO] [stdout]     |
[INFO] [stdout] 471 | pub fn whitespace(input: &str) -> ParseResult<&str> {
[INFO] [stdout]     |                          ^^^^     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                          |        |           |
[INFO] [stdout]     |                          |        |           the same lifetime is elided here
[INFO] [stdout]     |                          |        the same lifetime is hidden here
[INFO] [stdout]     |                          the lifetime is elided 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] 471 | pub fn whitespace(input: &str) -> ParseResult<'_, &str> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "793e2c3281675bb08c334e359a2233660100b710efbf1afe27c1efb1e5d97111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793e2c3281675bb08c334e359a2233660100b710efbf1afe27c1efb1e5d97111", kill_on_drop: false }`
[INFO] [stdout] 793e2c3281675bb08c334e359a2233660100b710efbf1afe27c1efb1e5d97111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff5b9261252ae18ffce9c9040678079e7830f47a26e6bf66f423781285c624ac
[INFO] running `Command { std: "docker" "start" "-a" "ff5b9261252ae18ffce9c9040678079e7830f47a26e6bf66f423781285c624ac", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:461:31
[INFO] [stdout]     |
[INFO] [stdout] 461 | pub fn skip_whitespace(input: &str) -> ParseResult<()> {
[INFO] [stdout]     |                               ^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided 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] 461 | pub fn skip_whitespace(input: &str) -> ParseResult<'_, ()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:471:26
[INFO] [stdout]     |
[INFO] [stdout] 471 | pub fn whitespace(input: &str) -> ParseResult<&str> {
[INFO] [stdout]     |                          ^^^^     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                          |        |           |
[INFO] [stdout]     |                          |        |           the same lifetime is elided here
[INFO] [stdout]     |                          |        the same lifetime is hidden here
[INFO] [stdout]     |                          the lifetime is elided 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] 471 | pub fn whitespace(input: &str) -> ParseResult<'_, &str> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling monch v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:461:31
[INFO] [stdout]     |
[INFO] [stdout] 461 | pub fn skip_whitespace(input: &str) -> ParseResult<()> {
[INFO] [stdout]     |                               ^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided 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] 461 | pub fn skip_whitespace(input: &str) -> ParseResult<'_, ()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:471:26
[INFO] [stdout]     |
[INFO] [stdout] 471 | pub fn whitespace(input: &str) -> ParseResult<&str> {
[INFO] [stdout]     |                          ^^^^     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                          |        |           |
[INFO] [stdout]     |                          |        |           the same lifetime is elided here
[INFO] [stdout]     |                          |        the same lifetime is hidden here
[INFO] [stdout]     |                          the lifetime is elided 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] 471 | pub fn whitespace(input: &str) -> ParseResult<'_, &str> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "ff5b9261252ae18ffce9c9040678079e7830f47a26e6bf66f423781285c624ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5b9261252ae18ffce9c9040678079e7830f47a26e6bf66f423781285c624ac", kill_on_drop: false }`
[INFO] [stdout] ff5b9261252ae18ffce9c9040678079e7830f47a26e6bf66f423781285c624ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b1c78edc4cccadcf7ae7e890983019c16a0868ff68ce52393d97078fe0877ba
[INFO] running `Command { std: "docker" "start" "-a" "4b1c78edc4cccadcf7ae7e890983019c16a0868ff68ce52393d97078fe0877ba", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:461:31
[INFO] [stderr]     |
[INFO] [stderr] 461 | pub fn skip_whitespace(input: &str) -> ParseResult<()> {
[INFO] [stderr]     |                               ^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 461 | pub fn skip_whitespace(input: &str) -> ParseResult<'_, ()> {
[INFO] [stderr]     |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:471:26
[INFO] [stderr]     |
[INFO] [stderr] 471 | pub fn whitespace(input: &str) -> ParseResult<&str> {
[INFO] [stderr]     |                          ^^^^     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                          |        |           |
[INFO] [stderr]     |                          |        |           the same lifetime is elided here
[INFO] [stderr]     |                          |        the same lifetime is hidden here
[INFO] [stderr]     |                          the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 471 | pub fn whitespace(input: &str) -> ParseResult<'_, &str> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `monch` (lib) generated 2 warnings (run `cargo fix --lib -p monch` to apply 2 suggestions)
[INFO] [stderr] warning: `monch` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/monch-dbf26bab264ce543)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests monch
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::error_with_code_formatting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b1c78edc4cccadcf7ae7e890983019c16a0868ff68ce52393d97078fe0877ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1c78edc4cccadcf7ae7e890983019c16a0868ff68ce52393d97078fe0877ba", kill_on_drop: false }`
[INFO] [stdout] 4b1c78edc4cccadcf7ae7e890983019c16a0868ff68ce52393d97078fe0877ba