[INFO] fetching crate spyglass 1.1.0...
[INFO] building spyglass-1.1.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate spyglass 1.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate spyglass 1.1.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spyglass 1.1.0
[INFO] finished tweaking crates.io crate spyglass 1.1.0
[INFO] tweaked toml for crates.io crate spyglass 1.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate spyglass 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef889d8a97eb12f791159aec7768b20e0d67de8f1a442562d8dca2fc6a3fa8fc
[INFO] running `Command { std: "docker" "start" "-a" "ef889d8a97eb12f791159aec7768b20e0d67de8f1a442562d8dca2fc6a3fa8fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef889d8a97eb12f791159aec7768b20e0d67de8f1a442562d8dca2fc6a3fa8fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef889d8a97eb12f791159aec7768b20e0d67de8f1a442562d8dca2fc6a3fa8fc", kill_on_drop: false }`
[INFO] [stdout] ef889d8a97eb12f791159aec7768b20e0d67de8f1a442562d8dca2fc6a3fa8fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 584ef1a78a84223ae9be24186a6029aee11ede90ee4869919c6cb5d17725b8e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "584ef1a78a84223ae9be24186a6029aee11ede90ee4869919c6cb5d17725b8e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling deunicode v1.1.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling spyglass v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error`, `warn`
[INFO] [stdout]   --> src/lib.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log::{info,warn,debug,error};
[INFO] [stdout]    |                ^^^^       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/lib.rs:446:33
[INFO] [stdout]     |
[INFO] [stdout] 441 |             let parent: &SubTrie = self.get_node(parent_index);
[INFO] [stdout]     |                                    ---- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 446 |                 let (cci, ci) = self.insert_within_edge(*ancestor_index,
[INFO] [stdout]     |                                 ^^^^                    --------------- immutable borrow later used here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SINGLE_WILDCARD`
[INFO] [stdout]   --> src/lib.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | const SINGLE_WILDCARD: char = '?';
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/lib.rs:655:8
[INFO] [stdout]     |
[INFO] [stdout] 655 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_exact`
[INFO] [stdout]     --> src/lib.rs:1046:8
[INFO] [stdout]      |
[INFO] [stdout] 1046 |     fn find_exact(&mut self, suffix_trie: &SuffixTrie, pattern: &str) -> Vec<Match> {
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.44s
[INFO] running `Command { std: "docker" "inspect" "584ef1a78a84223ae9be24186a6029aee11ede90ee4869919c6cb5d17725b8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584ef1a78a84223ae9be24186a6029aee11ede90ee4869919c6cb5d17725b8e1", kill_on_drop: false }`
[INFO] [stdout] 584ef1a78a84223ae9be24186a6029aee11ede90ee4869919c6cb5d17725b8e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 415dea4f725f9fe86753e0b7d04cafcfcdf0981505b3ae1fa790e3f7e6bff106
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "415dea4f725f9fe86753e0b7d04cafcfcdf0981505b3ae1fa790e3f7e6bff106", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stdout] warning: unused imports: `error`, `warn`
[INFO] [stdout]   --> src/lib.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log::{info,warn,debug,error};
[INFO] [stdout]    |                ^^^^       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/lib.rs:446:33
[INFO] [stdout]     |
[INFO] [stdout] 441 |             let parent: &SubTrie = self.get_node(parent_index);
[INFO] [stdout]     |                                    ---- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 446 |                 let (cci, ci) = self.insert_within_edge(*ancestor_index,
[INFO] [stdout]     |                                 ^^^^                    --------------- immutable borrow later used here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 mutable borrow occurs here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SINGLE_WILDCARD`
[INFO] [stdout]   --> src/lib.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | const SINGLE_WILDCARD: char = '?';
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/lib.rs:655:8
[INFO] [stdout]     |
[INFO] [stdout] 655 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stdout] warning: associated function is never used: `find_exact`
[INFO] [stdout]     --> src/lib.rs:1046:8
[INFO] [stdout]      |
[INFO] [stdout] 1046 |     fn find_exact(&mut self, suffix_trie: &SuffixTrie, pattern: &str) -> Vec<Match> {
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling spyglass v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `utilities`
[INFO] [stdout]  --> tests/integration_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use utilities;
[INFO] [stdout]   |     ^^^^^^^^^ no external crate `utilities`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spyglass`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `utilities`
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     use utilities;
[INFO] [stdout]    |         ^^^^^^^^^ no external crate `utilities`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error`, `warn`
[INFO] [stdout]   --> src/lib.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log::{info,warn,debug,error};
[INFO] [stdout]    |                ^^^^       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "415dea4f725f9fe86753e0b7d04cafcfcdf0981505b3ae1fa790e3f7e6bff106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415dea4f725f9fe86753e0b7d04cafcfcdf0981505b3ae1fa790e3f7e6bff106", kill_on_drop: false }`
[INFO] [stdout] 415dea4f725f9fe86753e0b7d04cafcfcdf0981505b3ae1fa790e3f7e6bff106
