[INFO] fetching crate tournaments 0.1.0...
[INFO] testing tournaments-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate tournaments 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate tournaments 0.1.0
[INFO] finished tweaking crates.io crate tournaments 0.1.0
[INFO] tweaked toml for crates.io crate tournaments 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tournaments 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "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]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9075fd1c7302978cf5d20229b50fa87b28a9a2733a277fe56c6d566793835e4a
[INFO] running `Command { std: "docker" "start" "-a" "9075fd1c7302978cf5d20229b50fa87b28a9a2733a277fe56c6d566793835e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9075fd1c7302978cf5d20229b50fa87b28a9a2733a277fe56c6d566793835e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9075fd1c7302978cf5d20229b50fa87b28a9a2733a277fe56c6d566793835e4a", kill_on_drop: false }`
[INFO] [stdout] 9075fd1c7302978cf5d20229b50fa87b28a9a2733a277fe56c6d566793835e4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 802d32d8b0098cf9ba7ce18cb94851aa320ce72518dab18848115c41f5f665c6
[INFO] running `Command { std: "docker" "start" "-a" "802d32d8b0098cf9ba7ce18cb94851aa320ce72518dab18848115c41f5f665c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling tournaments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bracket/mod.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn iter(&self) -> BracketIterator {
[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] 59 |     pub fn iter(&self) -> BracketIterator<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bracket/match_ref.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn borrow(&self) -> Ref<Match> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn borrow(&self) -> Ref<'_, Match> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "802d32d8b0098cf9ba7ce18cb94851aa320ce72518dab18848115c41f5f665c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802d32d8b0098cf9ba7ce18cb94851aa320ce72518dab18848115c41f5f665c6", kill_on_drop: false }`
[INFO] [stdout] 802d32d8b0098cf9ba7ce18cb94851aa320ce72518dab18848115c41f5f665c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 801615526fd0e0defb46cd9e1998d9fa0b5c4257656c8175582b549c1c4c8404
[INFO] running `Command { std: "docker" "start" "-a" "801615526fd0e0defb46cd9e1998d9fa0b5c4257656c8175582b549c1c4c8404", kill_on_drop: false }`
[INFO] [stderr]    Compiling tournaments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bracket/mod.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn iter(&self) -> BracketIterator {
[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] 59 |     pub fn iter(&self) -> BracketIterator<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bracket/match_ref.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn borrow(&self) -> Ref<Match> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn borrow(&self) -> Ref<'_, Match> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bracket/mod.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn iter(&self) -> BracketIterator {
[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] 59 |     pub fn iter(&self) -> BracketIterator<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bracket/match_ref.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn borrow(&self) -> Ref<Match> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn borrow(&self) -> Ref<'_, Match> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "801615526fd0e0defb46cd9e1998d9fa0b5c4257656c8175582b549c1c4c8404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801615526fd0e0defb46cd9e1998d9fa0b5c4257656c8175582b549c1c4c8404", kill_on_drop: false }`
[INFO] [stdout] 801615526fd0e0defb46cd9e1998d9fa0b5c4257656c8175582b549c1c4c8404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b612cfb64bcb7a7edff1ec5e9199ca160e3b8e3bd0dbf66ab311d8783490f949
[INFO] running `Command { std: "docker" "start" "-a" "b612cfb64bcb7a7edff1ec5e9199ca160e3b8e3bd0dbf66ab311d8783490f949", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] 
[INFO] [stderr]   --> src/bracket/mod.rs:59:17
[INFO] [stdout] running 3 tests
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn iter(&self) -> BracketIterator {
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn iter(&self) -> BracketIterator<'_> {
[INFO] [stderr]    |                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/bracket/match_ref.rs:15:19
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn borrow(&self) -> Ref<Match> {
[INFO] [stderr]    |                   ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn borrow(&self) -> Ref<'_, Match> {
[INFO] [stderr]    |                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: `tournaments` (lib) generated 2 warnings (run `cargo fix --lib -p tournaments` to apply 2 suggestions)
[INFO] [stderr] warning: `tournaments` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tournaments-3a1219d18bfa226d)
[INFO] [stdout] test match_::tests::not_ready ... ok
[INFO] [stdout] test match_::tests::ready ... ok
[INFO] [stdout] test match_::tests::set_winner ... ok
[INFO] [stderr]      Running tests/test_round_robin.rs (/opt/rustwide/target/debug/deps/test_round_robin-7fcfdff236a13fff)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_single_elimination.rs (/opt/rustwide/target/debug/deps/test_single_elimination-1f0257c12facc795)
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test three_contestants ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tournaments
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test four_contestants ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b612cfb64bcb7a7edff1ec5e9199ca160e3b8e3bd0dbf66ab311d8783490f949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b612cfb64bcb7a7edff1ec5e9199ca160e3b8e3bd0dbf66ab311d8783490f949", kill_on_drop: false }`
[INFO] [stdout] b612cfb64bcb7a7edff1ec5e9199ca160e3b8e3bd0dbf66ab311d8783490f949
