[INFO] fetching crate syncterm 0.0.1...
[INFO] testing syncterm-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate syncterm 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate syncterm 0.0.1
[INFO] finished tweaking crates.io crate syncterm 0.0.1
[INFO] tweaked toml for crates.io crate syncterm 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syncterm 0.0.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.10.1)
[INFO] [stderr]       Adding termion v1.5.6 (available: v4.0.6)
[INFO] [stderr]       Adding tui v0.2.3 (available: v0.19.0)
[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] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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] 8ece000b664eafff75013152c45471162379c712f321e590f5c68c1426863f86
[INFO] running `Command { std: "docker" "start" "-a" "8ece000b664eafff75013152c45471162379c712f321e590f5c68c1426863f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ece000b664eafff75013152c45471162379c712f321e590f5c68c1426863f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ece000b664eafff75013152c45471162379c712f321e590f5c68c1426863f86", kill_on_drop: false }`
[INFO] [stdout] 8ece000b664eafff75013152c45471162379c712f321e590f5c68c1426863f86
[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] a821c954514f44dc8be94bc438194000949c7d2d52013338d35b69857852b7a7
[INFO] running `Command { std: "docker" "start" "-a" "a821c954514f44dc8be94bc438194000949c7d2d52013338d35b69857852b7a7", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling chan v0.1.23
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling syncterm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:98:16
[INFO] [stdout]    |
[INFO] [stdout] 98 |             Ok(mut stream) => {
[INFO] [stdout]    |                ----^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:175:16
[INFO] [stdout]     |
[INFO] [stdout] 175 |             Ok(mut line) => {
[INFO] [stdout]     |                ----^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.63s
[INFO] running `Command { std: "docker" "inspect" "a821c954514f44dc8be94bc438194000949c7d2d52013338d35b69857852b7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a821c954514f44dc8be94bc438194000949c7d2d52013338d35b69857852b7a7", kill_on_drop: false }`
[INFO] [stdout] a821c954514f44dc8be94bc438194000949c7d2d52013338d35b69857852b7a7
[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] 02220a107e4014b564ef0ed3a63c367252ee1361ab1a63f7054f4aa276071d85
[INFO] running `Command { std: "docker" "start" "-a" "02220a107e4014b564ef0ed3a63c367252ee1361ab1a63f7054f4aa276071d85", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:98:16
[INFO] [stdout]    |
[INFO] [stdout] 98 |             Ok(mut stream) => {
[INFO] [stdout]    |                ----^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:175:16
[INFO] [stdout]     |
[INFO] [stdout] 175 |             Ok(mut line) => {
[INFO] [stdout]     |                ----^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling tui v0.2.3
[INFO] [stderr]    Compiling syncterm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:98:16
[INFO] [stdout]    |
[INFO] [stdout] 98 |             Ok(mut stream) => {
[INFO] [stdout]    |                ----^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:175:16
[INFO] [stdout]     |
[INFO] [stdout] 175 |             Ok(mut line) => {
[INFO] [stdout]     |                ----^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "02220a107e4014b564ef0ed3a63c367252ee1361ab1a63f7054f4aa276071d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02220a107e4014b564ef0ed3a63c367252ee1361ab1a63f7054f4aa276071d85", kill_on_drop: false }`
[INFO] [stdout] 02220a107e4014b564ef0ed3a63c367252ee1361ab1a63f7054f4aa276071d85
[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] 94c8eddc34da66e59032aa80ae53e566fcba98e33191e0f7c7352247fd96764f
[INFO] running `Command { std: "docker" "start" "-a" "94c8eddc34da66e59032aa80ae53e566fcba98e33191e0f7c7352247fd96764f", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:98:16
[INFO] [stderr]    |
[INFO] [stderr] 98 |             Ok(mut stream) => {
[INFO] [stderr]    |                ----^^^^^^
[INFO] [stderr]    |                |
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/server.rs:175:16
[INFO] [stderr]     |
[INFO] [stderr] 175 |             Ok(mut line) => {
[INFO] [stderr]     |                ----^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `syncterm` (lib) generated 2 warnings (run `cargo fix --lib -p syncterm` to apply 2 suggestions)
[INFO] [stderr] warning: `syncterm` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syncterm-cb529622e6b7cebe)
[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] [stderr]    Doc-tests syncterm
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/server.rs - server::ShellServer::process_input (line 31) - compile ... FAILED
[INFO] [stdout] test src/client.rs - client::ShellClient::on_key (line 41) ... FAILED
[INFO] [stdout] test src/client.rs - client::ShellClient::receive_response (line 71) - compile ... FAILED
[INFO] [stdout] test src/client.rs - client::ShellClient::draw (line 85) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/server.rs - server::ShellServer::process_input (line 31) stdout ----
[INFO] [stdout] error: `self` parameter is only allowed in associated functions
[INFO] [stdout]   --> src/server.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn process_input(&self, input: String) -> String {
[INFO] [stdout]    |                  ^^^^^ not semantically valid as function parameter
[INFO] [stdout]    |
[INFO] [stdout]    = note: associated functions are those in `impl` or `trait` definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/client.rs - client::ShellClient::on_key (line 41) stdout ----
[INFO] [stdout] error: `self` parameter is only allowed in associated functions
[INFO] [stdout]   --> src/client.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn on_key(&mut self, key: Key) -> KeyAction<Message> {
[INFO] [stdout]    |           ^^^^^^^^^ not semantically valid as function parameter
[INFO] [stdout]    |
[INFO] [stdout]    = note: associated functions are those in `impl` or `trait` definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syncterm::Key`
[INFO] [stdout]   --> src/client.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use syncterm::Key;
[INFO] [stdout]    |     ^^^^^^^^^^^^^ no `Key` in the root
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Message` in this scope
[INFO] [stdout]   --> src/client.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn on_key(&mut self, key: Key) -> KeyAction<Message> {
[INFO] [stdout]    |                                             ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn on_key<Message>(&mut self, key: Key) -> KeyAction<Message> {
[INFO] [stdout]    |          +++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/client.rs - client::ShellClient::receive_response (line 71) stdout ----
[INFO] [stdout] error: `self` parameter is only allowed in associated functions
[INFO] [stdout]   --> src/client.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn receive_response(&mut self, response: String) {
[INFO] [stdout]    |                     ^^^^^^^^^ not semantically valid as function parameter
[INFO] [stdout]    |
[INFO] [stdout]    = note: associated functions are those in `impl` or `trait` definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/client.rs - client::ShellClient::draw (line 85) stdout ----
[INFO] [stdout] error: `self` parameter is only allowed in associated functions
[INFO] [stdout]   --> src/client.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn draw(&mut self) {
[INFO] [stdout]    |         ^^^^^^^^^ not semantically valid as function parameter
[INFO] [stdout]    |
[INFO] [stdout]    = note: associated functions are those in `impl` or `trait` definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/client.rs - client::ShellClient::draw (line 85)
[INFO] [stdout]     src/client.rs - client::ShellClient::on_key (line 41)
[INFO] [stdout]     src/client.rs - client::ShellClient::receive_response (line 71)
[INFO] [stdout]     src/server.rs - server::ShellServer::process_input (line 31)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "94c8eddc34da66e59032aa80ae53e566fcba98e33191e0f7c7352247fd96764f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c8eddc34da66e59032aa80ae53e566fcba98e33191e0f7c7352247fd96764f", kill_on_drop: false }`
[INFO] [stdout] 94c8eddc34da66e59032aa80ae53e566fcba98e33191e0f7c7352247fd96764f
