[INFO] fetching crate mdsn 0.2.25...
[INFO] checking mdsn-0.2.25 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate mdsn 0.2.25 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mdsn 0.2.25
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mdsn 0.2.25
[INFO] tweaked toml for crates.io crate mdsn 0.2.25 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdsn 0.2.25 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mdsn 0.2.25 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9afd478f14ed36fe6ec5f148bc1dc846d6b7da38d5fa024679566d4793ad7828
[INFO] running `Command { std: "docker" "start" "-a" "9afd478f14ed36fe6ec5f148bc1dc846d6b7da38d5fa024679566d4793ad7828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9afd478f14ed36fe6ec5f148bc1dc846d6b7da38d5fa024679566d4793ad7828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9afd478f14ed36fe6ec5f148bc1dc846d6b7da38d5fa024679566d4793ad7828", kill_on_drop: false }`
[INFO] [stdout] 9afd478f14ed36fe6ec5f148bc1dc846d6b7da38d5fa024679566d4793ad7828
[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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b85b8d338c8dd4073023ad4d138095bb0df936269116801fdacdf945435d7c4
[INFO] running `Command { std: "docker" "start" "-a" "2b85b8d338c8dd4073023ad4d138095bb0df936269116801fdacdf945435d7c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking mdsn v0.2.25 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:542:41
[INFO] [stdout]     |
[INFO] [stdout] 542 |             fn percent_encode_or_not(v: &str) -> Cow<str> {
[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] 542 |             fn percent_encode_or_not(v: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:542:41
[INFO] [stdout]     |
[INFO] [stdout] 542 |             fn percent_encode_or_not(v: &str) -> Cow<str> {
[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] 542 |             fn percent_encode_or_not(v: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `Command { std: "docker" "inspect" "2b85b8d338c8dd4073023ad4d138095bb0df936269116801fdacdf945435d7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b85b8d338c8dd4073023ad4d138095bb0df936269116801fdacdf945435d7c4", kill_on_drop: false }`
[INFO] [stdout] 2b85b8d338c8dd4073023ad4d138095bb0df936269116801fdacdf945435d7c4
