[INFO] fetching crate libknot 0.2.3... [INFO] testing libknot-0.2.3 against 1.91.0 for beta-1.92-2 [INFO] extracting crate libknot 0.2.3 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate libknot 0.2.3 [INFO] finished tweaking crates.io crate libknot 0.2.3 [INFO] tweaked toml for crates.io crate libknot 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate libknot 0.2.3 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate libknot 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustc-hash v2.1.0 [INFO] [stderr] Downloaded libknot-sys v0.1.3 [INFO] [stderr] Downloaded unix_socket2 v0.5.4 [INFO] [stderr] Downloaded prettyplease v0.2.25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a828027d77d60793ca646d8496d90265c7fe60de3a7de8c007132bf1e9833545 [INFO] running `Command { std: "docker" "start" "-a" "a828027d77d60793ca646d8496d90265c7fe60de3a7de8c007132bf1e9833545", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a828027d77d60793ca646d8496d90265c7fe60de3a7de8c007132bf1e9833545", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a828027d77d60793ca646d8496d90265c7fe60de3a7de8c007132bf1e9833545", kill_on_drop: false }` [INFO] [stdout] a828027d77d60793ca646d8496d90265c7fe60de3a7de8c007132bf1e9833545 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b75a44a713133393aeff2bb083ab361130f697de8c3ef630b98c1b96f94c0c71 [INFO] running `Command { std: "docker" "start" "-a" "b75a44a713133393aeff2bb083ab361130f697de8c3ef630b98c1b96f94c0c71", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling thiserror v2.0.9 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling fallible-iterator v0.2.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling unix_socket2 v0.5.4 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling syn v2.0.94 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling thiserror-impl v2.0.9 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling libknot v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `MakeFallible` is never used [INFO] [stdout] --> src/util.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | pub trait MakeFallible: Iterator + Sized { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Convert` is never constructed [INFO] [stdout] --> src/util.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Convert { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:22:32 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn dns_name_with_dot(name: &str) -> Cow { [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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn dns_name_with_dot(name: &str) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/common.rs:40:19 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn as_ref(&self) -> ControlMessageRef { [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] 40 | pub fn as_ref(&self) -> ControlMessageRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.20s [INFO] running `Command { std: "docker" "inspect" "b75a44a713133393aeff2bb083ab361130f697de8c3ef630b98c1b96f94c0c71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b75a44a713133393aeff2bb083ab361130f697de8c3ef630b98c1b96f94c0c71", kill_on_drop: false }` [INFO] [stdout] b75a44a713133393aeff2bb083ab361130f697de8c3ef630b98c1b96f94c0c71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5f68a62e7b9c37c223ec237b9c2b2b4e6c18494df8aab595c5bc1f87eec8b9a [INFO] running `Command { std: "docker" "start" "-a" "e5f68a62e7b9c37c223ec237b9c2b2b4e6c18494df8aab595c5bc1f87eec8b9a", kill_on_drop: false }` [INFO] [stderr] Compiling libknot v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `MakeFallible` is never used [INFO] [stdout] --> src/util.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | pub trait MakeFallible: Iterator + Sized { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Convert` is never constructed [INFO] [stdout] --> src/util.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Convert { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:22:32 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn dns_name_with_dot(name: &str) -> Cow { [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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn dns_name_with_dot(name: &str) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/common.rs:40:19 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn as_ref(&self) -> ControlMessageRef { [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] 40 | pub fn as_ref(&self) -> ControlMessageRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `MakeFallible` is never used [INFO] [stdout] --> src/util.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | pub trait MakeFallible: Iterator + Sized { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Convert` is never constructed [INFO] [stdout] --> src/util.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Convert { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:22:32 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn dns_name_with_dot(name: &str) -> Cow { [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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn dns_name_with_dot(name: &str) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/common.rs:40:19 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn as_ref(&self) -> ControlMessageRef { [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] 40 | pub fn as_ref(&self) -> ControlMessageRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "e5f68a62e7b9c37c223ec237b9c2b2b4e6c18494df8aab595c5bc1f87eec8b9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5f68a62e7b9c37c223ec237b9c2b2b4e6c18494df8aab595c5bc1f87eec8b9a", kill_on_drop: false }` [INFO] [stdout] e5f68a62e7b9c37c223ec237b9c2b2b4e6c18494df8aab595c5bc1f87eec8b9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fdda51ef85acb1a52daa7f82ae6aa9697a03443c0e947f06f7186441ea1e8faf [INFO] running `Command { std: "docker" "start" "-a" "fdda51ef85acb1a52daa7f82ae6aa9697a03443c0e947f06f7186441ea1e8faf", kill_on_drop: false }` [INFO] [stderr] warning: trait `MakeFallible` is never used [INFO] [stderr] --> src/util.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | pub trait MakeFallible: Iterator + Sized { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Convert` is never constructed [INFO] [stderr] --> src/util.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 21 | pub struct Convert { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:22:32 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn dns_name_with_dot(name: &str) -> Cow { [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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 22 | pub fn dns_name_with_dot(name: &str) -> Cow<'_, str> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/common.rs:40:19 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn as_ref(&self) -> ControlMessageRef { [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] 40 | pub fn as_ref(&self) -> ControlMessageRef<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `libknot` (lib) generated 4 warnings (run `cargo fix --lib -p libknot` to apply 2 suggestions) [INFO] [stderr] warning: `libknot` (lib test) generated 4 warnings (4 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/libknot-6139fe93896abfe2) [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 unittests src/bin/test.rs (/opt/rustwide/target/debug/deps/test-974a2739c89c0b64) [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 libknot [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" "fdda51ef85acb1a52daa7f82ae6aa9697a03443c0e947f06f7186441ea1e8faf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdda51ef85acb1a52daa7f82ae6aa9697a03443c0e947f06f7186441ea1e8faf", kill_on_drop: false }` [INFO] [stdout] fdda51ef85acb1a52daa7f82ae6aa9697a03443c0e947f06f7186441ea1e8faf