[INFO] fetching crate llk 0.1.1...
[INFO] checking llk-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate llk 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate llk 0.1.1
[INFO] finished tweaking crates.io crate llk 0.1.1
[INFO] tweaked toml for crates.io crate llk 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate llk 0.1.1 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 llk 0.1.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9022ec63eaa1bf91dd90ae0307ceb9d6561c80819872eff3b27bb0974e418c65
[INFO] running `Command { std: "docker" "start" "-a" "9022ec63eaa1bf91dd90ae0307ceb9d6561c80819872eff3b27bb0974e418c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9022ec63eaa1bf91dd90ae0307ceb9d6561c80819872eff3b27bb0974e418c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9022ec63eaa1bf91dd90ae0307ceb9d6561c80819872eff3b27bb0974e418c65", kill_on_drop: false }`
[INFO] [stdout] 9022ec63eaa1bf91dd90ae0307ceb9d6561c80819872eff3b27bb0974e418c65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 47e703a18d83f2479484f2729adca24d96429ab2fc3f1cfd66fbdc770ee2a23c
[INFO] running `Command { std: "docker" "start" "-a" "47e703a18d83f2479484f2729adca24d96429ab2fc3f1cfd66fbdc770ee2a23c", kill_on_drop: false }`
[INFO] [stderr]     Checking llk v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:183:47
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn new(rules : Vec<Rule>, actions : Vec<&'a dyn Fn(&mut STree)>, axiom : u32, nt_begin : u32) -> LL1Parser {
[INFO] [stdout]     |                                                  ^^ this lifetime flows to the output                    --------- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn new(rules : Vec<Rule>, actions : Vec<&'a dyn Fn(&mut STree)>, axiom : u32, nt_begin : u32) -> LL1Parser<'a> {
[INFO] [stdout]     |                                                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:183:47
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn new(rules : Vec<Rule>, actions : Vec<&'a dyn Fn(&mut STree)>, axiom : u32, nt_begin : u32) -> LL1Parser {
[INFO] [stdout]     |                                                  ^^ this lifetime flows to the output                    --------- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn new(rules : Vec<Rule>, actions : Vec<&'a dyn Fn(&mut STree)>, axiom : u32, nt_begin : u32) -> LL1Parser<'a> {
[INFO] [stdout]     |                                                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `a` should have an upper case name
[INFO] [stdout]  --> examples/basic.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const a : u32 = 2; // a
[INFO] [stdout]   |       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 5 - const a : u32 = 2; // a
[INFO] [stdout] 5 + const A : u32 = 2; // a
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `a` should have an upper case name
[INFO] [stdout]  --> tests/test.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const a : u32 = 4; // a
[INFO] [stdout]   |       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 3 - const a : u32 = 4; // a
[INFO] [stdout] 3 + const A : u32 = 4; // a
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "47e703a18d83f2479484f2729adca24d96429ab2fc3f1cfd66fbdc770ee2a23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e703a18d83f2479484f2729adca24d96429ab2fc3f1cfd66fbdc770ee2a23c", kill_on_drop: false }`
[INFO] [stdout] 47e703a18d83f2479484f2729adca24d96429ab2fc3f1cfd66fbdc770ee2a23c