[INFO] fetching crate showdown 0.26.0...
[INFO] testing showdown-0.26.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate showdown 0.26.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate showdown 0.26.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate showdown 0.26.0
[INFO] tweaked toml for crates.io crate showdown 0.26.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate showdown 0.26.0 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] crate crates.io crate showdown 0.26.0 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" "+beta-2026-04-21" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a973587a220d895c656261d77f096b28c644152ecea9f4ae0a8e2744fccfeeaa
[INFO] running `Command { std: "docker" "start" "-a" "a973587a220d895c656261d77f096b28c644152ecea9f4ae0a8e2744fccfeeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a973587a220d895c656261d77f096b28c644152ecea9f4ae0a8e2744fccfeeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a973587a220d895c656261d77f096b28c644152ecea9f4ae0a8e2744fccfeeaa", kill_on_drop: false }`
[INFO] [stdout] a973587a220d895c656261d77f096b28c644152ecea9f4ae0a8e2744fccfeeaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c89d102c0eedfbc828b3d1c94602389ef663a72bb41cb5d1dcdb92bb34d7d84f
[INFO] running `Command { std: "docker" "start" "-a" "c89d102c0eedfbc828b3d1c94602389ef663a72bb41cb5d1dcdb92bb34d7d84f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling ipnet v2.8.0
[INFO] [stderr]    Compiling base64 v0.21.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling syn v2.0.36
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.4
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling tungstenite v0.20.0
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tokio-tungstenite v0.20.0
[INFO] [stderr]    Compiling h2 v0.3.21
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling hyper v0.14.27
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.20
[INFO] [stderr]    Compiling showdown v0.26.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/message.rs:451:36
[INFO] [stdout]     |
[INFO] [stdout] 451 | pub struct UnrecognizedMessage<'a>(&'a str);
[INFO] [stdout]     |            -------------------     ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `UnrecognizedMessage` 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 42.58s
[INFO] running `Command { std: "docker" "inspect" "c89d102c0eedfbc828b3d1c94602389ef663a72bb41cb5d1dcdb92bb34d7d84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c89d102c0eedfbc828b3d1c94602389ef663a72bb41cb5d1dcdb92bb34d7d84f", kill_on_drop: false }`
[INFO] [stdout] c89d102c0eedfbc828b3d1c94602389ef663a72bb41cb5d1dcdb92bb34d7d84f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8313be090721336072a8faace4e585db1ee6407d07f8a949492db3b155ab0b7f
[INFO] running `Command { std: "docker" "start" "-a" "8313be090721336072a8faace4e585db1ee6407d07f8a949492db3b155ab0b7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling deranged v0.3.8
[INFO] [stderr]    Compiling comparator v0.3.0
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/message.rs:451:36
[INFO] [stdout]     |
[INFO] [stdout] 451 | pub struct UnrecognizedMessage<'a>(&'a str);
[INFO] [stdout]     |            -------------------     ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `UnrecognizedMessage` 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]    Compiling time-macros v0.2.14
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling time v0.3.28
[INFO] [stderr]    Compiling showdown v0.26.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/message.rs:451:36
[INFO] [stdout]     |
[INFO] [stdout] 451 | pub struct UnrecognizedMessage<'a>(&'a str);
[INFO] [stdout]     |            -------------------     ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `UnrecognizedMessage` 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 `test` profile [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "8313be090721336072a8faace4e585db1ee6407d07f8a949492db3b155ab0b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8313be090721336072a8faace4e585db1ee6407d07f8a949492db3b155ab0b7f", kill_on_drop: false }`
[INFO] [stdout] 8313be090721336072a8faace4e585db1ee6407d07f8a949492db3b155ab0b7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b6316b7192c48abd80472cbe7c936622ba0e2ac2fd3b13258407ea0b9c02f4db
[INFO] running `Command { std: "docker" "start" "-a" "b6316b7192c48abd80472cbe7c936622ba0e2ac2fd3b13258407ea0b9c02f4db", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/message.rs:451:36
[INFO] [stderr]     |
[INFO] [stderr] 451 | pub struct UnrecognizedMessage<'a>(&'a str);
[INFO] [stderr]     |            -------------------     ^^^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr]     = note: `UnrecognizedMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `showdown` (lib) generated 1 warning
[INFO] [stderr] warning: `showdown` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/showdown-6ea7e34445877adc)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test message::test::parse_join ... ok
[INFO] [stdout] test message::test::parse_nickname_change ... ok
[INFO] [stdout] test message::test::parse_leave ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mock.rs (/opt/rustwide/target/debug/deps/mock-247a3dff76773fc7)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test parsing_close_message ... ok
[INFO] [stdout] test parsing_roomlist ... ok
[INFO] [stdout] test reply_test ... ok
[INFO] [stdout] test parsing_chat_messages ... ok
[INFO] [stdout] test test_global_command ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests showdown
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Stream::connect (line 84) - compile ... ok
[INFO] [stdout] test src/lib.rs - SendMessage::chat_command (line 222) - compile ... ok
[INFO] [stdout] test src/message.rs - message::Challenge<'a>::login (line 164) - compile ... ok
[INFO] [stdout] test src/lib.rs - SendMessage::global_command (line 187) - compile ... ok
[INFO] [stdout] test src/lib.rs - Stream::connect_to_url (line 106) - compile ... ok
[INFO] [stdout] test src/lib.rs - Stream (line 43) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b6316b7192c48abd80472cbe7c936622ba0e2ac2fd3b13258407ea0b9c02f4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6316b7192c48abd80472cbe7c936622ba0e2ac2fd3b13258407ea0b9c02f4db", kill_on_drop: false }`
[INFO] [stdout] b6316b7192c48abd80472cbe7c936622ba0e2ac2fd3b13258407ea0b9c02f4db
