[INFO] fetching crate sufdb 0.1.7...
[INFO] testing sufdb-0.1.7 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate sufdb 0.1.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sufdb 0.1.7
[INFO] finished tweaking crates.io crate sufdb 0.1.7
[INFO] tweaked toml for crates.io crate sufdb 0.1.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sufdb 0.1.7 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43c96506eb96c8e1db1975f7072f16812259b95d897de28f5f7a20927eea372b
[INFO] running `Command { std: "docker" "start" "-a" "43c96506eb96c8e1db1975f7072f16812259b95d897de28f5f7a20927eea372b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43c96506eb96c8e1db1975f7072f16812259b95d897de28f5f7a20927eea372b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c96506eb96c8e1db1975f7072f16812259b95d897de28f5f7a20927eea372b", kill_on_drop: false }`
[INFO] [stdout] 43c96506eb96c8e1db1975f7072f16812259b95d897de28f5f7a20927eea372b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c96cbf2963c60075bd8a71548edbf78bc2f7d13d8506d47f6ee4a8bc190dffa
[INFO] running `Command { std: "docker" "start" "-a" "3c96cbf2963c60075bd8a71548edbf78bc2f7d13d8506d47f6ee4a8bc190dffa", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling suffix v1.3.0
[INFO] [stderr]    Compiling sufdb v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `lg`
[INFO] [stdout]   --> src/btree.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 | macro_rules! lg {
[INFO] [stdout]    |              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 300 |         w!("order: {}", self.order);
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `w` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 |         w!("#documents: {}", self.documents.len());
[INFO] [stdout]     |         ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |         w!("#nodes: {}", self.nodes.len());
[INFO] [stdout]     |         ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 299 |         div!();
[INFO] [stdout]     |         ------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` which comes from the expansion of the macro `div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 |         div!(39);
[INFO] [stdout]     |         -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` which comes from the expansion of the macro `div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 304 |         for doc in &self.documents { w!("{:?}", doc); }
[INFO] [stdout]     |                                      --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 305 |         div!(39);
[INFO] [stdout]     |         -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` which comes from the expansion of the macro `div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 313 |             w!("parent: {:?}", n.parent);
[INFO] [stdout]     |             ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 314 |             w!("next: {:?}", n.next);
[INFO] [stdout]     |             ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 315 |             w!("edges: {:?}", n.edges);
[INFO] [stdout]     |             -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 |             if i > 0 { div!(15); }
[INFO] [stdout]     |                        -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` which comes from the expansion of the macro `div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 309 |                 w!("id: {} (root)", i);
[INFO] [stdout]     |                 ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 311 |                 w!("id: {}", i);
[INFO] [stdout]     |                 --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 317 |                 w!("{:4}: {:?}: {}", i, s, self.suffix(s));
[INFO] [stdout]     |                 ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/btree.rs:291:43
[INFO] [stdout]     |
[INFO] [stdout] 291 |         macro_rules! w { ($($tt:tt)*) => (try!(writeln!(f, $($tt)*));); }
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] ...
[INFO] [stdout] 320 |         div!(); Ok(())
[INFO] [stdout]     |         ------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `w` which comes from the expansion of the macro `div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/btree.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Cow<'_, [u32]>` is not an iterator
[INFO] [stdout]    --> src/btree.rs:216:22
[INFO] [stdout]     |
[INFO] [stdout] 216 |         for sufid in table {
[INFO] [stdout]     |                      ^^^^^ `Cow<'_, [u32]>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `Cow<'_, [u32]>`
[INFO] [stdout]     = note: required for `Cow<'_, [u32]>` to implement `IntoIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sufdb` (lib) due to 2 previous errors; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3c96cbf2963c60075bd8a71548edbf78bc2f7d13d8506d47f6ee4a8bc190dffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c96cbf2963c60075bd8a71548edbf78bc2f7d13d8506d47f6ee4a8bc190dffa", kill_on_drop: false }`
[INFO] [stdout] 3c96cbf2963c60075bd8a71548edbf78bc2f7d13d8506d47f6ee4a8bc190dffa
