[INFO] cloning repository https://github.com/danbi2990/encoder_decoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danbi2990/encoder_decoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbi2990%2Fencoder_decoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbi2990%2Fencoder_decoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de81b3a8e9702db6c18e144bd7f5175c8b48e574
[INFO] building danbi2990/encoder_decoder against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbi2990%2Fencoder_decoder" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danbi2990/encoder_decoder on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danbi2990/encoder_decoder
[INFO] finished tweaking git repo https://github.com/danbi2990/encoder_decoder
[INFO] tweaked toml for git repo https://github.com/danbi2990/encoder_decoder written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/danbi2990/encoder_decoder 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded powerpack v0.2.1
[INFO] [stderr]   Downloaded dairy v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c6f6871c3d95e6d91108d550fe865e75bd53bcec9217eca5be081f5904dd258
[INFO] running `Command { std: "docker" "start" "-a" "4c6f6871c3d95e6d91108d550fe865e75bd53bcec9217eca5be081f5904dd258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c6f6871c3d95e6d91108d550fe865e75bd53bcec9217eca5be081f5904dd258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6f6871c3d95e6d91108d550fe865e75bd53bcec9217eca5be081f5904dd258", kill_on_drop: false }`
[INFO] [stdout] 4c6f6871c3d95e6d91108d550fe865e75bd53bcec9217eca5be081f5904dd258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2661d0d80ea9c46b19f594eeceaa23d65a9f2f8c66c3b1e6cb8b562fa47d112b
[INFO] running `Command { std: "docker" "start" "-a" "2661d0d80ea9c46b19f594eeceaa23d65a9f2f8c66c3b1e6cb8b562fa47d112b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling dairy v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling powerpack v0.2.1
[INFO] [stderr]    Compiling encoder_decoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/lib.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn to_item(self, subtitle: &str) -> Item {
[INFO] [stdout]   |                                ^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]   |                                |
[INFO] [stdout]   |                                this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn to_item(self, subtitle: &str) -> Item<'_> {
[INFO] [stdout]   |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `Command { std: "docker" "inspect" "2661d0d80ea9c46b19f594eeceaa23d65a9f2f8c66c3b1e6cb8b562fa47d112b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2661d0d80ea9c46b19f594eeceaa23d65a9f2f8c66c3b1e6cb8b562fa47d112b", kill_on_drop: false }`
[INFO] [stdout] 2661d0d80ea9c46b19f594eeceaa23d65a9f2f8c66c3b1e6cb8b562fa47d112b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cd6fcae0ffbe46dff6d7e7a774a1d87ba0fd204d6973d6b3a4c6f909c19c20c
[INFO] running `Command { std: "docker" "start" "-a" "8cd6fcae0ffbe46dff6d7e7a774a1d87ba0fd204d6973d6b3a4c6f909c19c20c", kill_on_drop: false }`
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/lib.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn to_item(self, subtitle: &str) -> Item {
[INFO] [stdout]   |                                ^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]   |                                |
[INFO] [stdout]   |                                this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn to_item(self, subtitle: &str) -> Item<'_> {
[INFO] [stdout]   |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling encoder_decoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/lib.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn to_item(self, subtitle: &str) -> Item {
[INFO] [stdout]   |                                ^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]   |                                |
[INFO] [stdout]   |                                this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn to_item(self, subtitle: &str) -> Item<'_> {
[INFO] [stdout]   |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "8cd6fcae0ffbe46dff6d7e7a774a1d87ba0fd204d6973d6b3a4c6f909c19c20c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd6fcae0ffbe46dff6d7e7a774a1d87ba0fd204d6973d6b3a4c6f909c19c20c", kill_on_drop: false }`
[INFO] [stdout] 8cd6fcae0ffbe46dff6d7e7a774a1d87ba0fd204d6973d6b3a4c6f909c19c20c