[INFO] fetching crate kal 0.5.0...
[INFO] checking kal-0.5.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate kal 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate kal 0.5.0
[INFO] finished tweaking crates.io crate kal 0.5.0
[INFO] tweaked toml for crates.io crate kal 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kal 0.5.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 763acc86aa2d8e729bf65e9807dae4e77dac684c7d93e2f338a28de6783835d2
[INFO] running `Command { std: "docker" "start" "-a" "763acc86aa2d8e729bf65e9807dae4e77dac684c7d93e2f338a28de6783835d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "763acc86aa2d8e729bf65e9807dae4e77dac684c7d93e2f338a28de6783835d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763acc86aa2d8e729bf65e9807dae4e77dac684c7d93e2f338a28de6783835d2", kill_on_drop: false }`
[INFO] [stdout] 763acc86aa2d8e729bf65e9807dae4e77dac684c7d93e2f338a28de6783835d2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29b2f32e711715805c18ec2850076bce97f1e1b831e8a0f3583ead7cf0b62064
[INFO] running `Command { std: "docker" "start" "-a" "29b2f32e711715805c18ec2850076bce97f1e1b831e8a0f3583ead7cf0b62064", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling kal-derive v0.5.0
[INFO] [stderr]     Checking kal v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/command.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn parse(fragments: &[CommandFragment]) -> Result<Self, CommandParseError>;
[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] 12 |     fn parse(fragments: &[CommandFragment]) -> Result<Self, CommandParseError<'_>>;
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/command.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn parse(fragments: &[CommandFragment]) -> Result<Self, CommandParseError>;
[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] 12 |     fn parse(fragments: &[CommandFragment]) -> Result<Self, CommandParseError<'_>>;
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.24s
[INFO] running `Command { std: "docker" "inspect" "29b2f32e711715805c18ec2850076bce97f1e1b831e8a0f3583ead7cf0b62064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b2f32e711715805c18ec2850076bce97f1e1b831e8a0f3583ead7cf0b62064", kill_on_drop: false }`
[INFO] [stdout] 29b2f32e711715805c18ec2850076bce97f1e1b831e8a0f3583ead7cf0b62064