[INFO] fetching crate color_counter 0.2.3... [INFO] testing color_counter-0.2.3 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate color_counter 0.2.3 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate color_counter 0.2.3 [INFO] finished tweaking crates.io crate color_counter 0.2.3 [INFO] tweaked toml for crates.io crate color_counter 0.2.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate color_counter 0.2.3 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate color_counter 0.2.3 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9edc042800608ea8cade87653b839bb9ddf743d6f05f36abc2d27328439550e8 [INFO] running `Command { std: "docker" "start" "-a" "9edc042800608ea8cade87653b839bb9ddf743d6f05f36abc2d27328439550e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9edc042800608ea8cade87653b839bb9ddf743d6f05f36abc2d27328439550e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9edc042800608ea8cade87653b839bb9ddf743d6f05f36abc2d27328439550e8", kill_on_drop: false }` [INFO] [stdout] 9edc042800608ea8cade87653b839bb9ddf743d6f05f36abc2d27328439550e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80ae91d5d23a4500338da87634850240984dc009c844880eec587b6b286fe419 [INFO] running `Command { std: "docker" "start" "-a" "80ae91d5d23a4500338da87634850240984dc009c844880eec587b6b286fe419", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Compiling adler32 v1.0.3 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling deflate v0.7.19 [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling inflate v0.4.4 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling png v0.15.0 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling gif v0.10.1 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling color_processing v0.4.1 [INFO] [stderr] Compiling tiff v0.3.1 [INFO] [stderr] Compiling image v0.22.3 [INFO] [stderr] Compiling color_counter v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/region.rs:57:55 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn iter<'s>(&'s self) -> impl Iterator + 's { [INFO] [stdout] | -- ^^^^^^^^^^^^^^^ -- the same lifetime is named here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same 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: consistently use `'s` [INFO] [stdout] | [INFO] [stdout] 57 | pub fn iter<'s>(&'s self) -> impl Iterator + 's { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.38s [INFO] running `Command { std: "docker" "inspect" "80ae91d5d23a4500338da87634850240984dc009c844880eec587b6b286fe419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80ae91d5d23a4500338da87634850240984dc009c844880eec587b6b286fe419", kill_on_drop: false }` [INFO] [stdout] 80ae91d5d23a4500338da87634850240984dc009c844880eec587b6b286fe419 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2a25a898f4a09bcdbb41d702776e764d4a5f7272512f1f272725d05ccb7a349 [INFO] running `Command { std: "docker" "start" "-a" "c2a25a898f4a09bcdbb41d702776e764d4a5f7272512f1f272725d05ccb7a349", kill_on_drop: false }` [INFO] [stderr] Compiling color_counter v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/region.rs:57:55 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn iter<'s>(&'s self) -> impl Iterator + 's { [INFO] [stdout] | -- ^^^^^^^^^^^^^^^ -- the same lifetime is named here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same 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: consistently use `'s` [INFO] [stdout] | [INFO] [stdout] 57 | pub fn iter<'s>(&'s self) -> impl Iterator + 's { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/region.rs:57:55 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn iter<'s>(&'s self) -> impl Iterator + 's { [INFO] [stdout] | -- ^^^^^^^^^^^^^^^ -- the same lifetime is named here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same 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: consistently use `'s` [INFO] [stdout] | [INFO] [stdout] 57 | pub fn iter<'s>(&'s self) -> impl Iterator + 's { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `Command { std: "docker" "inspect" "c2a25a898f4a09bcdbb41d702776e764d4a5f7272512f1f272725d05ccb7a349", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2a25a898f4a09bcdbb41d702776e764d4a5f7272512f1f272725d05ccb7a349", kill_on_drop: false }` [INFO] [stdout] c2a25a898f4a09bcdbb41d702776e764d4a5f7272512f1f272725d05ccb7a349 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a663cf3051b072bb2e3e4bb7df2640c632ed46863b30bd8a140b44d9528b6e6a [INFO] running `Command { std: "docker" "start" "-a" "a663cf3051b072bb2e3e4bb7df2640c632ed46863b30bd8a140b44d9528b6e6a", kill_on_drop: false }` [INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/region.rs:57:55 [INFO] [stderr] | [INFO] [stderr] 57 | pub fn iter<'s>(&'s self) -> impl Iterator + 's { [INFO] [stderr] | -- ^^^^^^^^^^^^^^^ -- the same lifetime is named here [INFO] [stderr] | | | [INFO] [stderr] | the lifetime is named here the same lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: consistently use `'s` [INFO] [stderr] | [INFO] [stderr] 57 | pub fn iter<'s>(&'s self) -> impl Iterator + 's { [INFO] [stderr] | ++ [INFO] [stderr] [INFO] [stderr] warning: `color_counter` (lib) generated 1 warning (run `cargo fix --lib -p color_counter` to apply 1 suggestion) [INFO] [stderr] warning: `color_counter` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/color_counter-3dcf0d051fd63c1a) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test space::tests::test_color_freq ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/color_counter-41dd84e5656e46da) [INFO] [stdout] [INFO] [stderr] Doc-tests color_counter [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a663cf3051b072bb2e3e4bb7df2640c632ed46863b30bd8a140b44d9528b6e6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a663cf3051b072bb2e3e4bb7df2640c632ed46863b30bd8a140b44d9528b6e6a", kill_on_drop: false }` [INFO] [stdout] a663cf3051b072bb2e3e4bb7df2640c632ed46863b30bd8a140b44d9528b6e6a