[INFO] fetching crate spyglass 1.1.0... [INFO] testing spyglass-1.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate spyglass 1.1.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate spyglass 1.1.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-14/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 5f08b1258415c57df07356fe2a8c9a49d525308849a01db11a6793a6820fb2b5 [INFO] running `Command { std: "docker" "start" "-a" "5f08b1258415c57df07356fe2a8c9a49d525308849a01db11a6793a6820fb2b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f08b1258415c57df07356fe2a8c9a49d525308849a01db11a6793a6820fb2b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f08b1258415c57df07356fe2a8c9a49d525308849a01db11a6793a6820fb2b5", kill_on_drop: false }` [INFO] [stdout] 5f08b1258415c57df07356fe2a8c9a49d525308849a01db11a6793a6820fb2b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 62cc10ef802b6bd0ce10192bc7905cff869a48f553f514702c291c5e5ad7ca71 [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" "62cc10ef802b6bd0ce10192bc7905cff869a48f553f514702c291c5e5ad7ca71", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling log v0.4.11 [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 aho-corasick v0.7.15 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.8 [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 [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 { [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 42.83s [INFO] running `Command { std: "docker" "inspect" "62cc10ef802b6bd0ce10192bc7905cff869a48f553f514702c291c5e5ad7ca71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62cc10ef802b6bd0ce10192bc7905cff869a48f553f514702c291c5e5ad7ca71", kill_on_drop: false }` [INFO] [stdout] 62cc10ef802b6bd0ce10192bc7905cff869a48f553f514702c291c5e5ad7ca71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35d12cdc020f6cfaefe5ec61553705e54d65c6c18c92dbd0c43343fa6ed4496d [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" "35d12cdc020f6cfaefe5ec61553705e54d65c6c18c92dbd0c43343fa6ed4496d", kill_on_drop: false }` [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling half v1.6.0 [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 num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling serde_cbor v0.11.1 [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 [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 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling bstr v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling csv v1.1.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling tinytemplate v1.1.0 [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[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 [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` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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" "35d12cdc020f6cfaefe5ec61553705e54d65c6c18c92dbd0c43343fa6ed4496d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35d12cdc020f6cfaefe5ec61553705e54d65c6c18c92dbd0c43343fa6ed4496d", kill_on_drop: false }` [INFO] [stdout] 35d12cdc020f6cfaefe5ec61553705e54d65c6c18c92dbd0c43343fa6ed4496d