[INFO] fetching crate sscanf_macro 0.4.3...
[INFO] checking sscanf_macro-0.4.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate sscanf_macro 0.4.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sscanf_macro 0.4.3
[INFO] finished tweaking crates.io crate sscanf_macro 0.4.3
[INFO] tweaked toml for crates.io crate sscanf_macro 0.4.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sscanf_macro 0.4.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sscanf_macro 0.4.3 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b121883ff1bb2d5cbbdca25d8e4e9ccb88cfdd8663adc8920e6e64be2aebb88
[INFO] running `Command { std: "docker" "start" "-a" "5b121883ff1bb2d5cbbdca25d8e4e9ccb88cfdd8663adc8920e6e64be2aebb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b121883ff1bb2d5cbbdca25d8e4e9ccb88cfdd8663adc8920e6e64be2aebb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b121883ff1bb2d5cbbdca25d8e4e9ccb88cfdd8663adc8920e6e64be2aebb88", kill_on_drop: false }`
[INFO] [stdout] 5b121883ff1bb2d5cbbdca25d8e4e9ccb88cfdd8663adc8920e6e64be2aebb88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c56939d1715061c182b9074765fc3788abb11460505e4c14d7a2f7942f779247
[INFO] running `Command { std: "docker" "start" "-a" "c56939d1715061c182b9074765fc3788abb11460505e4c14d7a2f7942f779247", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.100
[INFO] [stderr]     Checking sscanf_macro v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/str_lit.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn to_slice(&self) -> StrLitSlice {
[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] 35 |     pub fn to_slice(&self) -> StrLitSlice<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/str_lit.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn to_slice(&self) -> StrLitSlice {
[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] 35 |     pub fn to_slice(&self) -> StrLitSlice<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "c56939d1715061c182b9074765fc3788abb11460505e4c14d7a2f7942f779247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56939d1715061c182b9074765fc3788abb11460505e4c14d7a2f7942f779247", kill_on_drop: false }`
[INFO] [stdout] c56939d1715061c182b9074765fc3788abb11460505e4c14d7a2f7942f779247