[INFO] fetching crate tree 0.4.1...
[INFO] testing tree-0.4.1 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate tree 0.4.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tree 0.4.1
[INFO] finished tweaking crates.io crate tree 0.4.1
[INFO] tweaked toml for crates.io crate tree 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree 0.4.1 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding compare v0.0.6 (available: v0.1.0)
[INFO] [stderr]       Adding quickcheck v0.2.27 (available: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ea5bab29b7953eed6059da91ff9c46d63d60821084d71bfc71c4eab70c12b4d
[INFO] running `Command { std: "docker" "start" "-a" "9ea5bab29b7953eed6059da91ff9c46d63d60821084d71bfc71c4eab70c12b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ea5bab29b7953eed6059da91ff9c46d63d60821084d71bfc71c4eab70c12b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea5bab29b7953eed6059da91ff9c46d63d60821084d71bfc71c4eab70c12b4d", kill_on_drop: false }`
[INFO] [stdout] 9ea5bab29b7953eed6059da91ff9c46d63d60821084d71bfc71c4eab70c12b4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2de4ce4b1a1680ddacb1499c3537f9515460135bd0cc46dd85d41080de143c81
[INFO] running `Command { std: "docker" "start" "-a" "2de4ce4b1a1680ddacb1499c3537f9515460135bd0cc46dd85d41080de143c81", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling compare v0.0.6
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling ordered_iter v0.1.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling tree v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `bound`
[INFO] [stdout]    --> src/node/iter.rs:121:14
[INFO] [stdout]     |
[INFO] [stdout] 121 | macro_rules! bound {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/quickcheck.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn shrink(&self) -> Box<Iterator<Item=Self>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn shrink(&self) -> Box<dyn Iterator<Item=Self>> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/quickcheck.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn shrink(&self) -> Box<Iterator<Item=Self>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn shrink(&self) -> Box<dyn Iterator<Item=Self>> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> src/set.rs:235:48
[INFO] [stdout]     |
[INFO] [stdout] 235 |     pub fn max(&self) -> Option<&T> { self.map.max().map(|e| e.0) }
[INFO] [stdout]     |                                                ^^^-- argument #1 of type `map::Map<T, (), C>` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/cmp.rs:1033:7
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 235 |     pub fn max(&self) -> Option<&T> { self.map.max(/* map::Map<T, (), C> */).map(|e| e.0) }
[INFO] [stdout]     |                                                    ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `map` found for struct `map::Map<T, (), C>` in the current scope
[INFO] [stdout]    --> src/set.rs:235:54
[INFO] [stdout]     |
[INFO] [stdout] 235 |     pub fn max(&self) -> Option<&T> { self.map.max().map(|e| e.0) }
[INFO] [stdout]     |                                                      ^^^ `map::Map<T, (), C>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]     |
[INFO] [stdout] 235 |     pub fn max(&self) -> Option<&T> { self.map.max().into_iter().map(|e| e.0) }
[INFO] [stdout]     |                                                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> src/set.rs:291:48
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn min(&self) -> Option<&T> { self.map.min().map(|e| e.0) }
[INFO] [stdout]     |                                                ^^^-- argument #1 of type `map::Map<T, (), C>` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/cmp.rs:1072:7
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn min(&self) -> Option<&T> { self.map.min(/* map::Map<T, (), C> */).map(|e| e.0) }
[INFO] [stdout]     |                                                    ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `map` found for struct `map::Map<T, (), C>` in the current scope
[INFO] [stdout]    --> src/set.rs:291:54
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn min(&self) -> Option<&T> { self.map.min().map(|e| e.0) }
[INFO] [stdout]     |                                                      ^^^ `map::Map<T, (), C>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn min(&self) -> Option<&T> { self.map.min().into_iter().map(|e| e.0) }
[INFO] [stdout]     |                                                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tree` (lib) due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2de4ce4b1a1680ddacb1499c3537f9515460135bd0cc46dd85d41080de143c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de4ce4b1a1680ddacb1499c3537f9515460135bd0cc46dd85d41080de143c81", kill_on_drop: false }`
[INFO] [stdout] 2de4ce4b1a1680ddacb1499c3537f9515460135bd0cc46dd85d41080de143c81
