[INFO] cloning repository https://github.com/jgke/syntax-searcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgke/syntax-searcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgke%2Fsyntax-searcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgke%2Fsyntax-searcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dd957d36a46a521ba7ddfe172fdb7f34159030d
[INFO] checking jgke/syntax-searcher against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgke%2Fsyntax-searcher" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgke/syntax-searcher on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jgke/syntax-searcher
[INFO] finished tweaking git repo https://github.com/jgke/syntax-searcher
[INFO] tweaked toml for git repo https://github.com/jgke/syntax-searcher written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/jgke/syntax-searcher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ouroboros v0.9.5
[INFO] [stderr]   Downloaded ouroboros_macro v0.9.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3104bcc28a2ab9f695454e311e43b6d9a9387920959bc4d8413b299de02cfeb5
[INFO] running `Command { std: "docker" "start" "-a" "3104bcc28a2ab9f695454e311e43b6d9a9387920959bc4d8413b299de02cfeb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3104bcc28a2ab9f695454e311e43b6d9a9387920959bc4d8413b299de02cfeb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3104bcc28a2ab9f695454e311e43b6d9a9387920959bc4d8413b299de02cfeb5", kill_on_drop: false }`
[INFO] [stdout] 3104bcc28a2ab9f695454e311e43b6d9a9387920959bc4d8413b299de02cfeb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48e67b6d449e4ea63ee02f64707d7b7cf6ea75f46445ab055163fa00fc595acf
[INFO] running `Command { std: "docker" "start" "-a" "48e67b6d449e4ea63ee02f64707d7b7cf6ea75f46445ab055163fa00fc595acf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]    Compiling ouroboros_macro v0.9.5
[INFO] [stderr]     Checking ouroboros v0.9.5
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking syns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]   --> src/psi.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     filename: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]   --> src/psi.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     filename: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/benches.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]   --> src/psi.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     filename: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]   --> src/psi.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     filename: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.01s
[INFO] running `Command { std: "docker" "inspect" "48e67b6d449e4ea63ee02f64707d7b7cf6ea75f46445ab055163fa00fc595acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e67b6d449e4ea63ee02f64707d7b7cf6ea75f46445ab055163fa00fc595acf", kill_on_drop: false }`
[INFO] [stdout] 48e67b6d449e4ea63ee02f64707d7b7cf6ea75f46445ab055163fa00fc595acf