[INFO] fetching crate randua 0.1.6...
[INFO] testing randua-0.1.6 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate randua 0.1.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate randua 0.1.6
[INFO] finished tweaking crates.io crate randua 0.1.6
[INFO] tweaked toml for crates.io crate randua 0.1.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate randua 0.1.6 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f673865c6d2ead4bf395bdbdb342e3c2c4696eb69466ee28f040ebbf99584d1d
[INFO] running `Command { std: "docker" "start" "-a" "f673865c6d2ead4bf395bdbdb342e3c2c4696eb69466ee28f040ebbf99584d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f673865c6d2ead4bf395bdbdb342e3c2c4696eb69466ee28f040ebbf99584d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f673865c6d2ead4bf395bdbdb342e3c2c4696eb69466ee28f040ebbf99584d1d", kill_on_drop: false }`
[INFO] [stdout] f673865c6d2ead4bf395bdbdb342e3c2c4696eb69466ee28f040ebbf99584d1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfa14d4fae3ed86ff0d5335e473e55109e6d3da2724d3e3b5eb15555424a3329
[INFO] running `Command { std: "docker" "start" "-a" "dfa14d4fae3ed86ff0d5335e473e55109e6d3da2724d3e3b5eb15555424a3329", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling randua v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `comment` is never read
[INFO] [stdout]  --> src/platform.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Platform {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub comment: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pre_release` and `mate_data` are never read
[INFO] [stdout]  --> src/semver.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Semver {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub pre_release: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 8 |     pub mate_data: String,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "dfa14d4fae3ed86ff0d5335e473e55109e6d3da2724d3e3b5eb15555424a3329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa14d4fae3ed86ff0d5335e473e55109e6d3da2724d3e3b5eb15555424a3329", kill_on_drop: false }`
[INFO] [stdout] dfa14d4fae3ed86ff0d5335e473e55109e6d3da2724d3e3b5eb15555424a3329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98d61e293fb40385ddd713d4f00091457ccd63c60cd6cdc8460f567d6cb87e8f
[INFO] running `Command { std: "docker" "start" "-a" "98d61e293fb40385ddd713d4f00091457ccd63c60cd6cdc8460f567d6cb87e8f", kill_on_drop: false }`
[INFO] [stdout] warning: field `comment` is never read
[INFO] [stdout]  --> src/platform.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Platform {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub comment: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pre_release` and `mate_data` are never read
[INFO] [stdout]  --> src/semver.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Semver {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub pre_release: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 8 |     pub mate_data: String,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling randua v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `comment` is never read
[INFO] [stdout]  --> src/platform.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Platform {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub comment: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pre_release` and `mate_data` are never read
[INFO] [stdout]  --> src/semver.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Semver {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub pre_release: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 8 |     pub mate_data: String,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "98d61e293fb40385ddd713d4f00091457ccd63c60cd6cdc8460f567d6cb87e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d61e293fb40385ddd713d4f00091457ccd63c60cd6cdc8460f567d6cb87e8f", kill_on_drop: false }`
[INFO] [stdout] 98d61e293fb40385ddd713d4f00091457ccd63c60cd6cdc8460f567d6cb87e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 955ac2171d874f08c42dd78d872310330f6cd0b69e8b43a2dc0f4aeb1d0204a4
[INFO] running `Command { std: "docker" "start" "-a" "955ac2171d874f08c42dd78d872310330f6cd0b69e8b43a2dc0f4aeb1d0204a4", kill_on_drop: false }`
[INFO] [stderr] warning: field `comment` is never read
[INFO] [stderr]  --> src/platform.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Platform {
[INFO] [stderr]   |            -------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 7 |     pub comment: String,
[INFO] [stderr]   |         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `pre_release` and `mate_data` are never read
[INFO] [stderr]  --> src/semver.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Semver {
[INFO] [stderr]   |            ------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 7 |     pub pre_release: String,
[INFO] [stderr]   |         ^^^^^^^^^^^
[INFO] [stderr] 8 |     pub mate_data: String,
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `randua` (lib) generated 2 warnings
[INFO] [stderr] warning: `randua` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/randua-01578c7a6249d4c3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_user_agent_for_firefox ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests randua
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - new (line 50) ... ok
[INFO] [stdout] test src/lib.rs - new (line 42) ... ok
[INFO] [stdout] test src/lib.rs - new (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "955ac2171d874f08c42dd78d872310330f6cd0b69e8b43a2dc0f4aeb1d0204a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955ac2171d874f08c42dd78d872310330f6cd0b69e8b43a2dc0f4aeb1d0204a4", kill_on_drop: false }`
[INFO] [stdout] 955ac2171d874f08c42dd78d872310330f6cd0b69e8b43a2dc0f4aeb1d0204a4
