[INFO] fetching crate eros 0.4.0...
[INFO] checking eros-0.4.0 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate eros 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate eros 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate eros 0.4.0
[INFO] tweaked toml for crates.io crate eros 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate eros 0.4.0 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate eros 0.4.0 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "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 trybuild v1.0.110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2bf4c497c5062d56a81e34ae2698ea01ef2112219df834a04adc8c5c54917fd
[INFO] running `Command { std: "docker" "start" "-a" "b2bf4c497c5062d56a81e34ae2698ea01ef2112219df834a04adc8c5c54917fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2bf4c497c5062d56a81e34ae2698ea01ef2112219df834a04adc8c5c54917fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2bf4c497c5062d56a81e34ae2698ea01ef2112219df834a04adc8c5c54917fd", kill_on_drop: false }`
[INFO] [stdout] b2bf4c497c5062d56a81e34ae2698ea01ef2112219df834a04adc8c5c54917fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1932c2bdeb60f55d8d0c2975ddb88e5a21502aa492dfc297494bfaba7584208
[INFO] running `Command { std: "docker" "start" "-a" "d1932c2bdeb60f55d8d0c2975ddb88e5a21502aa492dfc297494bfaba7584208", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling cc v1.2.33
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking bitflags v2.9.2
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking toml_parser v1.0.2
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking eros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking serde_spanned v1.0.0
[INFO] [stderr]     Checking toml_datetime v0.7.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml v0.9.5
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking h2 v0.4.12
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking trybuild v1.0.110
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-util v0.1.16
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.23
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> tests/usability.rs:152:15
[INFO] [stdout]     |
[INFO] [stdout] 152 |         E2::A(u) => {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tests/usability.rs:155:15
[INFO] [stdout]     |
[INFO] [stdout] 155 |         E2::B(s) => {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> tests/usability.rs:162:15
[INFO] [stdout]     |
[INFO] [stdout] 162 |         E2::A(u) => {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tests/usability.rs:165:15
[INFO] [stdout]     |
[INFO] [stdout] 165 |         E2::B(s) => {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_hit` is never read
[INFO] [stdout]    --> tests/usability.rs:150:22
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut is_hit = false;
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_hit` is never read
[INFO] [stdout]    --> tests/usability.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     is_hit = false;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_hit` is never read
[INFO] [stdout]    --> tests/usability.rs:185:28
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let mut is_hit: bool = false;
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AnotherErrorVariant` is never constructed
[INFO] [stdout]    --> tests/usability.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |     pub enum AnotherError {
[INFO] [stdout]     |              ------------ variant in this enum
[INFO] [stdout] 323 |         AnotherErrorVariant,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AnotherError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.42s
[INFO] running `Command { std: "docker" "inspect" "d1932c2bdeb60f55d8d0c2975ddb88e5a21502aa492dfc297494bfaba7584208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1932c2bdeb60f55d8d0c2975ddb88e5a21502aa492dfc297494bfaba7584208", kill_on_drop: false }`
[INFO] [stdout] d1932c2bdeb60f55d8d0c2975ddb88e5a21502aa492dfc297494bfaba7584208