[INFO] fetching crate wl-tools 0.0.0-alpha.3...
[INFO] building wl-tools-0.0.0-alpha.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate wl-tools 0.0.0-alpha.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate wl-tools 0.0.0-alpha.3
[INFO] finished tweaking crates.io crate wl-tools 0.0.0-alpha.3
[INFO] tweaked toml for crates.io crate wl-tools 0.0.0-alpha.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wl-tools 0.0.0-alpha.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding test-case v2.2.2 (available: v3.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 359d750d657a5179492d32437c1728a81e485b104d6e7ea920f684c80c870747
[INFO] running `Command { std: "docker" "start" "-a" "359d750d657a5179492d32437c1728a81e485b104d6e7ea920f684c80c870747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "359d750d657a5179492d32437c1728a81e485b104d6e7ea920f684c80c870747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359d750d657a5179492d32437c1728a81e485b104d6e7ea920f684c80c870747", kill_on_drop: false }`
[INFO] [stdout] 359d750d657a5179492d32437c1728a81e485b104d6e7ea920f684c80c870747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 554e1119518f74aa23c23c4d41a2795f56fcaff03f4197e8a067b1a8941df6a5
[INFO] running `Command { std: "docker" "start" "-a" "554e1119518f74aa23c23c4d41a2795f56fcaff03f4197e8a067b1a8941df6a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling wl-tools v0.0.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `char_lowercase` and `idx_range` are never read
[INFO] [stdout]    --> src/tree/word_char.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 203 | struct WordCharTreeEdge<'a, W> {
[INFO] [stdout]     |        ---------------- fields in this struct
[INFO] [stdout] 204 |     char_lowercase: char,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 205 |     idx_range: RangeInclusive<usize>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree/word_char.rs:198:18
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn words(&self) -> Words<W> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn words(&self) -> Words<'_, W> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "554e1119518f74aa23c23c4d41a2795f56fcaff03f4197e8a067b1a8941df6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "554e1119518f74aa23c23c4d41a2795f56fcaff03f4197e8a067b1a8941df6a5", kill_on_drop: false }`
[INFO] [stdout] 554e1119518f74aa23c23c4d41a2795f56fcaff03f4197e8a067b1a8941df6a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9236717c2dc06b2e5d16a1fbdeacfea810e3a79c331f9812745bae6cd2a4e203
[INFO] running `Command { std: "docker" "start" "-a" "9236717c2dc06b2e5d16a1fbdeacfea810e3a79c331f9812745bae6cd2a4e203", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stdout] warning: fields `char_lowercase` and `idx_range` are never read
[INFO] [stdout]    --> src/tree/word_char.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 203 | struct WordCharTreeEdge<'a, W> {
[INFO] [stdout]     |        ---------------- fields in this struct
[INFO] [stdout] 204 |     char_lowercase: char,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 205 |     idx_range: RangeInclusive<usize>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree/word_char.rs:198:18
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn words(&self) -> Words<W> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn words(&self) -> Words<'_, W> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling test-case-macros v2.2.2
[INFO] [stderr]    Compiling test-case v2.2.2
[INFO] [stderr]    Compiling wl-tools v0.0.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `char_lowercase` and `idx_range` are never read
[INFO] [stdout]    --> src/tree/word_char.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 203 | struct WordCharTreeEdge<'a, W> {
[INFO] [stdout]     |        ---------------- fields in this struct
[INFO] [stdout] 204 |     char_lowercase: char,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 205 |     idx_range: RangeInclusive<usize>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree/word_char.rs:198:18
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn words(&self) -> Words<W> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn words(&self) -> Words<'_, W> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "9236717c2dc06b2e5d16a1fbdeacfea810e3a79c331f9812745bae6cd2a4e203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9236717c2dc06b2e5d16a1fbdeacfea810e3a79c331f9812745bae6cd2a4e203", kill_on_drop: false }`
[INFO] [stdout] 9236717c2dc06b2e5d16a1fbdeacfea810e3a79c331f9812745bae6cd2a4e203