[INFO] fetching crate recls 0.0.0...
[INFO] building recls-0.0.0 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate recls 0.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate recls 0.0.0 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate recls 0.0.0
[INFO] finished tweaking crates.io crate recls 0.0.0
[INFO] tweaked toml for crates.io crate recls 0.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate recls 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbf7e64a19682624754320e975c69cae497bbc65ed5c2f5b62fc113f89354a0e
[INFO] running `Command { std: "docker" "start" "-a" "fbf7e64a19682624754320e975c69cae497bbc65ed5c2f5b62fc113f89354a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbf7e64a19682624754320e975c69cae497bbc65ed5c2f5b62fc113f89354a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf7e64a19682624754320e975c69cae497bbc65ed5c2f5b62fc113f89354a0e", kill_on_drop: false }`
[INFO] [stdout] fbf7e64a19682624754320e975c69cae497bbc65ed5c2f5b62fc113f89354a0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71354088b64c381f13e540b62c2e674de7828d9da1dc1b456e03f3f162b15171
[INFO] running `Command { std: "docker" "start" "-a" "71354088b64c381f13e540b62c2e674de7828d9da1dc1b456e03f3f162b15171", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastparse v0.0.3
[INFO] [stderr]    Compiling libpath v0.0.1
[INFO] [stderr]    Compiling recls v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fastparse::fastparse::types::PositionalSlice as PoSl`
[INFO] [stdout]   --> src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use fastparse::fastparse::types::PositionalSlice as PoSl;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `patterns`
[INFO] [stdout]  --> src/lib.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |             patterns : &str,
[INFO] [stdout]   |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_patterns`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             flags : i64,
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `classification` are never read
[INFO] [stdout]   --> src/lib.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub struct FileEntry {
[INFO] [stdout]    |                --------- fields in this struct
[INFO] [stdout] 92 |         path :           String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 93 |         classification : ClassificationResult,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `root_dir`, `patterns`, and `flags` are never read
[INFO] [stdout]    --> src/lib.rs:99:9
[INFO] [stdout]     |
[INFO] [stdout] 98  |     pub struct FileSearch {
[INFO] [stdout]     |                ---------- fields in this struct
[INFO] [stdout] 99  |         root_dir : String,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 100 |         patterns : Vec<String>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 101 |         flags :    i64,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "71354088b64c381f13e540b62c2e674de7828d9da1dc1b456e03f3f162b15171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71354088b64c381f13e540b62c2e674de7828d9da1dc1b456e03f3f162b15171", kill_on_drop: false }`
[INFO] [stdout] 71354088b64c381f13e540b62c2e674de7828d9da1dc1b456e03f3f162b15171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebc9b73ac594e4de0202fac7f36f97437a68b914d68620d845429df29681e519
[INFO] running `Command { std: "docker" "start" "-a" "ebc9b73ac594e4de0202fac7f36f97437a68b914d68620d845429df29681e519", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `fastparse::fastparse::types::PositionalSlice as PoSl`
[INFO] [stdout]   --> src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use fastparse::fastparse::types::PositionalSlice as PoSl;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `patterns`
[INFO] [stdout]  --> src/lib.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |             patterns : &str,
[INFO] [stdout]   |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_patterns`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling recls v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             flags : i64,
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `classification` are never read
[INFO] [stdout]   --> src/lib.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub struct FileEntry {
[INFO] [stdout]    |                --------- fields in this struct
[INFO] [stdout] 92 |         path :           String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 93 |         classification : ClassificationResult,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `root_dir`, `patterns`, and `flags` are never read
[INFO] [stdout]    --> src/lib.rs:99:9
[INFO] [stdout]     |
[INFO] [stdout] 98  |     pub struct FileSearch {
[INFO] [stdout]     |                ---------- fields in this struct
[INFO] [stdout] 99  |         root_dir : String,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 100 |         patterns : Vec<String>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 101 |         flags :    i64,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fastparse::fastparse::types::PositionalSlice as PoSl`
[INFO] [stdout]   --> src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use fastparse::fastparse::types::PositionalSlice as PoSl;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::recls`
[INFO] [stdout]    --> src/lib.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     use crate::recls;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `patterns`
[INFO] [stdout]  --> src/lib.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |             patterns : &str,
[INFO] [stdout]   |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_patterns`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             flags : i64,
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `classification` are never read
[INFO] [stdout]   --> src/lib.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub struct FileEntry {
[INFO] [stdout]    |                --------- fields in this struct
[INFO] [stdout] 92 |         path :           String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 93 |         classification : ClassificationResult,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `root_dir`, `patterns`, and `flags` are never read
[INFO] [stdout]    --> src/lib.rs:99:9
[INFO] [stdout]     |
[INFO] [stdout] 98  |     pub struct FileSearch {
[INFO] [stdout]     |                ---------- fields in this struct
[INFO] [stdout] 99  |         root_dir : String,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 100 |         patterns : Vec<String>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 101 |         flags :    i64,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "ebc9b73ac594e4de0202fac7f36f97437a68b914d68620d845429df29681e519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc9b73ac594e4de0202fac7f36f97437a68b914d68620d845429df29681e519", kill_on_drop: false }`
[INFO] [stdout] ebc9b73ac594e4de0202fac7f36f97437a68b914d68620d845429df29681e519