[INFO] cloning repository https://github.com/mcpar-land/ultra-tournament
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mcpar-land/ultra-tournament" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcpar-land%2Fultra-tournament", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcpar-land%2Fultra-tournament'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c64d45887986efd2b7c9ac0780a1c8c6127326c
[INFO] checking mcpar-land/ultra-tournament against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcpar-land%2Fultra-tournament" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mcpar-land/ultra-tournament
[INFO] finished tweaking git repo https://github.com/mcpar-land/ultra-tournament
[INFO] tweaked toml for git repo https://github.com/mcpar-land/ultra-tournament written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mcpar-land/ultra-tournament on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mcpar-land/ultra-tournament 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded tynm v0.1.4
[INFO] [stderr]   Downloaded serde-value v0.5.3
[INFO] [stderr]   Downloaded smallvec v1.4.1
[INFO] [stderr]   Downloaded array-macro v1.0.5
[INFO] [stderr]   Downloaded serde_test v0.8.23
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] [stderr]   Downloaded enum-map-derive v0.4.3
[INFO] [stderr]   Downloaded enum-map v0.6.2
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded serde-hjson v0.8.2
[INFO] [stderr]   Downloaded config v0.9.3
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded ptree v0.2.1
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] [stderr]   Downloaded atom v0.3.5
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded directories v1.0.2
[INFO] [stderr]   Downloaded libc v0.2.73
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76e51128b96e8e5ed9763192ed7b53b235be5b4b15025c00fb98044d5e87071b
[INFO] running `Command { std: "docker" "start" "-a" "76e51128b96e8e5ed9763192ed7b53b235be5b4b15025c00fb98044d5e87071b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76e51128b96e8e5ed9763192ed7b53b235be5b4b15025c00fb98044d5e87071b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e51128b96e8e5ed9763192ed7b53b235be5b4b15025c00fb98044d5e87071b", kill_on_drop: false }`
[INFO] [stdout] 76e51128b96e8e5ed9763192ed7b53b235be5b4b15025c00fb98044d5e87071b
[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=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f7757443d4c36812472d78af0e41aa90329be33a2e1bb751aa4eea67de20be2
[INFO] running `Command { std: "docker" "start" "-a" "8f7757443d4c36812472d78af0e41aa90329be33a2e1bb751aa4eea67de20be2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking tynm v0.1.4
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]     Checking enum-map v0.6.2
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking shred v0.10.2
[INFO] [stderr]     Checking specs v0.16.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking ptree v0.2.1
[INFO] [stderr]     Checking ultra_tournament v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tournament.rs:457:14
[INFO] [stdout]     |
[INFO] [stdout] 457 |     fn children(&self) -> Cow<[Self::Child]> {
[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] 457 |     fn children(&self) -> Cow<'_, [Self::Child]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyMetadata` is never constructed
[INFO] [stdout]  --> src/test/test_docs.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct MyMetadata;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/test/test_docs.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl MyMetadata {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `U32BattleSystem` is never constructed
[INFO] [stdout]   --> src/test/test_docs.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct U32BattleSystem;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tournament.rs:457:14
[INFO] [stdout]     |
[INFO] [stdout] 457 |     fn children(&self) -> Cow<[Self::Child]> {
[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] 457 |     fn children(&self) -> Cow<'_, [Self::Child]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, nom v5.1.2
[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" "8f7757443d4c36812472d78af0e41aa90329be33a2e1bb751aa4eea67de20be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7757443d4c36812472d78af0e41aa90329be33a2e1bb751aa4eea67de20be2", kill_on_drop: false }`
[INFO] [stdout] 8f7757443d4c36812472d78af0e41aa90329be33a2e1bb751aa4eea67de20be2
