[INFO] fetching crate pct-str 2.0.0...
[INFO] building pct-str-2.0.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate pct-str 2.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pct-str 2.0.0
[INFO] finished tweaking crates.io crate pct-str 2.0.0
[INFO] tweaked toml for crates.io crate pct-str 2.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pct-str 2.0.0 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 pct-str 2.0.0 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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2b9d2868d89d04fa7ebf05a9d328cd65d2841ce67f2377d8c4e0df940b62eba
[INFO] running `Command { std: "docker" "start" "-a" "e2b9d2868d89d04fa7ebf05a9d328cd65d2841ce67f2377d8c4e0df940b62eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2b9d2868d89d04fa7ebf05a9d328cd65d2841ce67f2377d8c4e0df940b62eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b9d2868d89d04fa7ebf05a9d328cd65d2841ce67f2377d8c4e0df940b62eba", kill_on_drop: false }`
[INFO] [stdout] e2b9d2868d89d04fa7ebf05a9d328cd65d2841ce67f2377d8c4e0df940b62eba
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 440210e9dbf618b8d48c533a2d86c2585d26eb900e61c4ff4789261da5b82faf
[INFO] running `Command { std: "docker" "start" "-a" "440210e9dbf618b8d48c533a2d86c2585d26eb900e61c4ff4789261da5b82faf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling utf8-decode v1.0.1
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling pct-str v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:306:15
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn chars(&self) -> Chars {
[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] 306 |     pub fn chars(&self) -> Chars<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:312:15
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn bytes(&self) -> Bytes {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn bytes(&self) -> Bytes<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "440210e9dbf618b8d48c533a2d86c2585d26eb900e61c4ff4789261da5b82faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440210e9dbf618b8d48c533a2d86c2585d26eb900e61c4ff4789261da5b82faf", kill_on_drop: false }`
[INFO] [stdout] 440210e9dbf618b8d48c533a2d86c2585d26eb900e61c4ff4789261da5b82faf
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7d5bec93d0e0a341c87b5607411e130901ea3b7690ee08586e8c6f837d43c2a
[INFO] running `Command { std: "docker" "start" "-a" "f7d5bec93d0e0a341c87b5607411e130901ea3b7690ee08586e8c6f837d43c2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pct-str v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:306:15
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn chars(&self) -> Chars {
[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] 306 |     pub fn chars(&self) -> Chars<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:312:15
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn bytes(&self) -> Bytes {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn bytes(&self) -> Bytes<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:306:15
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn chars(&self) -> Chars {
[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] 306 |     pub fn chars(&self) -> Chars<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:312:15
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn bytes(&self) -> Bytes {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn bytes(&self) -> Bytes<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "f7d5bec93d0e0a341c87b5607411e130901ea3b7690ee08586e8c6f837d43c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d5bec93d0e0a341c87b5607411e130901ea3b7690ee08586e8c6f837d43c2a", kill_on_drop: false }`
[INFO] [stdout] f7d5bec93d0e0a341c87b5607411e130901ea3b7690ee08586e8c6f837d43c2a