[INFO] fetching crate uppercut 0.4.0... [INFO] testing uppercut-0.4.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate uppercut 0.4.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate uppercut 0.4.0 [INFO] finished tweaking crates.io crate uppercut 0.4.0 [INFO] tweaked toml for crates.io crate uppercut 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate uppercut 0.4.0 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 uppercut 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" "+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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f8d53a1b700cc15986bf8e9e85356954730fded209c65077a0d053c64906f295 [INFO] running `Command { std: "docker" "start" "-a" "f8d53a1b700cc15986bf8e9e85356954730fded209c65077a0d053c64906f295", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8d53a1b700cc15986bf8e9e85356954730fded209c65077a0d053c64906f295", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8d53a1b700cc15986bf8e9e85356954730fded209c65077a0d053c64906f295", kill_on_drop: false }` [INFO] [stdout] f8d53a1b700cc15986bf8e9e85356954730fded209c65077a0d053c64906f295 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5c766ebb9448784a723d3e1775528ab1d0f9d47eec4e3ca74bfbb5b183b6cac5 [INFO] running `Command { std: "docker" "start" "-a" "5c766ebb9448784a723d3e1775528ab1d0f9d47eec4e3ca74bfbb5b183b6cac5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling parsed v0.3.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling mio v0.8.3 [INFO] [stderr] Compiling core_affinity v0.5.10 [INFO] [stderr] Compiling uppercut v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/core.rs:211:81 [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^ the same lifetime is hidden 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 `'a` [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/core.rs:266:28 [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.84s [INFO] running `Command { std: "docker" "inspect" "5c766ebb9448784a723d3e1775528ab1d0f9d47eec4e3ca74bfbb5b183b6cac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c766ebb9448784a723d3e1775528ab1d0f9d47eec4e3ca74bfbb5b183b6cac5", kill_on_drop: false }` [INFO] [stdout] 5c766ebb9448784a723d3e1775528ab1d0f9d47eec4e3ca74bfbb5b183b6cac5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 465cd57e0f2825be223a8b83e3e7a761e280e98cb5870a205a837c7805ffdf90 [INFO] running `Command { std: "docker" "start" "-a" "465cd57e0f2825be223a8b83e3e7a761e280e98cb5870a205a837c7805ffdf90", kill_on_drop: false }` [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/core.rs:211:81 [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^ the same lifetime is hidden 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 `'a` [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/core.rs:266:28 [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling clap v2.34.0 [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 regex v1.5.6 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling uppercut v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/gossip.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | New(String), [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Event` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 52 - New(String), [INFO] [stdout] 52 + New(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/gossip.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | Out(String), [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 53 - Out(String), [INFO] [stdout] 53 + Out(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/core.rs:211:81 [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^ the same lifetime is hidden 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 `'a` [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/core.rs:266:28 [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.33s [INFO] running `Command { std: "docker" "inspect" "465cd57e0f2825be223a8b83e3e7a761e280e98cb5870a205a837c7805ffdf90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "465cd57e0f2825be223a8b83e3e7a761e280e98cb5870a205a837c7805ffdf90", kill_on_drop: false }` [INFO] [stdout] 465cd57e0f2825be223a8b83e3e7a761e280e98cb5870a205a837c7805ffdf90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5fb6d15a6df3ab0a8215ca38767ddb3a8f494dc9633c5636a3696180365e4e1d [INFO] running `Command { std: "docker" "start" "-a" "5fb6d15a6df3ab0a8215ca38767ddb3a8f494dc9633c5636a3696180365e4e1d", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/core.rs:211:81 [INFO] [stderr] | [INFO] [stderr] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime { [INFO] [stderr] | -- the lifetime is named here ^^^^^^^ the same lifetime is hidden 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 `'a` [INFO] [stderr] | [INFO] [stderr] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime<'a> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/core.rs:266:28 [INFO] [stderr] | [INFO] [stderr] 266 | pub fn run(self, pool: &ThreadPool) -> Result { [INFO] [stderr] | ^^^^^^^^^^^ ^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 266 | pub fn run(self, pool: &ThreadPool) -> Result, Error> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `uppercut` (lib) generated 2 warnings (run `cargo fix --lib -p uppercut` to apply 2 suggestions) [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> examples/gossip.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | New(String), [INFO] [stderr] | --- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Event` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 52 - New(String), [INFO] [stderr] 52 + New(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> examples/gossip.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | Out(String), [INFO] [stderr] | --- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 53 - Out(String), [INFO] [stderr] 53 + Out(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `uppercut` (example "gossip") generated 2 warnings [INFO] [stderr] warning: `uppercut` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/uppercut-d42a5e6f45848d04) [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] Running tests/actors.rs (/opt/rustwide/target/debug/deps/actors-4c4b06db28a7cfc4) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test sent_message_received ... ok [INFO] [stdout] test own_message_received ... ok [INFO] [stdout] test message_order_perceived ... ok [INFO] [stdout] test forwarded_message_received ... ok [INFO] [stdout] test delayed_messages_ordering ... ok [INFO] [stdout] test delayed_message_received ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s [INFO] [stdout] [INFO] [stderr] Running tests/remote.rs (/opt/rustwide/target/debug/deps/remote-03ed331c10308b97) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_remote_ping_pong ... ok [INFO] [stdout] test test_remote_reply ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests uppercut [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" "5fb6d15a6df3ab0a8215ca38767ddb3a8f494dc9633c5636a3696180365e4e1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fb6d15a6df3ab0a8215ca38767ddb3a8f494dc9633c5636a3696180365e4e1d", kill_on_drop: false }` [INFO] [stdout] 5fb6d15a6df3ab0a8215ca38767ddb3a8f494dc9633c5636a3696180365e4e1d