[INFO] cloning repository https://github.com/robinfriedli/rusty_snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robinfriedli/rusty_snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinfriedli%2Frusty_snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinfriedli%2Frusty_snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0122dff8ac33a1c8e9e505ec51935fb1cfce30c2
[INFO] checking robinfriedli/rusty_snake against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinfriedli%2Frusty_snake" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/robinfriedli/rusty_snake
[INFO] finished tweaking git repo https://github.com/robinfriedli/rusty_snake
[INFO] tweaked toml for git repo https://github.com/robinfriedli/rusty_snake written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/robinfriedli/rusty_snake on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding pancurses v0.16.1 (available: v0.17.0)
[INFO] [stderr]       Adding quick-xml v0.17.2 (available: v0.39.2)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.1.43
[INFO] [stderr]   Downloaded num-rational v0.1.43
[INFO] [stderr]   Downloaded num-complex v0.1.44
[INFO] [stderr]   Downloaded stopwatch v0.0.7
[INFO] [stderr]   Downloaded num-bigint v0.1.45
[INFO] [stderr]   Downloaded ncurses v5.101.0
[INFO] [stderr]   Downloaded winreg v0.5.1
[INFO] [stderr]   Downloaded pancurses v0.16.1
[INFO] [stderr]   Downloaded quick-xml v0.17.2
[INFO] [stderr]   Downloaded pdcurses-sys v0.7.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 463e62d5239119dd9fa01b4d3747632a6b04d2835e651742bd3189854a728b8a
[INFO] running `Command { std: "docker" "start" "-a" "463e62d5239119dd9fa01b4d3747632a6b04d2835e651742bd3189854a728b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "463e62d5239119dd9fa01b4d3747632a6b04d2835e651742bd3189854a728b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463e62d5239119dd9fa01b4d3747632a6b04d2835e651742bd3189854a728b8a", kill_on_drop: false }`
[INFO] [stdout] 463e62d5239119dd9fa01b4d3747632a6b04d2835e651742bd3189854a728b8a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b65ad72b65c0d4970dcc95a81b733909d9bdeb450d0a3cb211dafe2439e38723
[INFO] running `Command { std: "docker" "start" "-a" "b65ad72b65c0d4970dcc95a81b733909d9bdeb450d0a3cb211dafe2439e38723", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num v0.1.43
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking rusty_snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/score_manager.rs:197:49
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn create_score_elem(score: u64, user_name: &str, time: u128) -> BytesStart {
[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] 197 |     fn create_score_elem(score: u64, user_name: &str, time: u128) -> BytesStart<'_> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/score_manager.rs:197:49
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn create_score_elem(score: u64, user_name: &str, time: u128) -> BytesStart {
[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] 197 |     fn create_score_elem(score: u64, user_name: &str, time: u128) -> BytesStart<'_> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.49s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.17.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "b65ad72b65c0d4970dcc95a81b733909d9bdeb450d0a3cb211dafe2439e38723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65ad72b65c0d4970dcc95a81b733909d9bdeb450d0a3cb211dafe2439e38723", kill_on_drop: false }`
[INFO] [stdout] b65ad72b65c0d4970dcc95a81b733909d9bdeb450d0a3cb211dafe2439e38723