[INFO] fetching crate markov 1.1.0... [INFO] testing markov-1.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate markov 1.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate markov 1.1.0 [INFO] finished tweaking crates.io crate markov 1.1.0 [INFO] tweaked toml for crates.io crate markov 1.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate markov 1.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate markov 1.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_yaml v0.8.13 [INFO] [stderr] Downloaded dtoa v0.4.6 [INFO] [stderr] Downloaded ppv-lite86 v0.2.8 [INFO] [stderr] Downloaded either v1.5.3 [INFO] [stderr] Downloaded serde_derive v1.0.114 [INFO] [stderr] Downloaded autocfg v1.0.0 [INFO] [stderr] Downloaded yaml-rust v0.4.4 [INFO] [stderr] Downloaded serde v1.0.114 [INFO] [stderr] Downloaded indexmap v1.5.0 [INFO] [stderr] Downloaded hashbrown v0.8.1 [INFO] [stderr] Downloaded syn v1.0.35 [INFO] [stderr] Downloaded libc v0.2.73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] beb88eac54b0882f1d98af5d9b2b364567a9b2787933333db5736dc26f72fced [INFO] running `Command { std: "docker" "start" "-a" "beb88eac54b0882f1d98af5d9b2b364567a9b2787933333db5736dc26f72fced", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "beb88eac54b0882f1d98af5d9b2b364567a9b2787933333db5736dc26f72fced", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "beb88eac54b0882f1d98af5d9b2b364567a9b2787933333db5736dc26f72fced", kill_on_drop: false }` [INFO] [stdout] beb88eac54b0882f1d98af5d9b2b364567a9b2787933333db5736dc26f72fced [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e780d9b55936e251fd01fc23dfc11fa7670e2f65cd1270a68a4cc027e540ad2 [INFO] running `Command { std: "docker" "start" "-a" "9e780d9b55936e251fd01fc23dfc11fa7670e2f65cd1270a68a4cc027e540ad2", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling yaml-rust v0.4.4 [INFO] [stderr] Compiling hashbrown v0.8.1 [INFO] [stderr] Compiling indexmap v1.5.0 [INFO] [stderr] Compiling quote v1.0.7 [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 petgraph v0.5.1 [INFO] [stderr] Compiling serde_yaml v0.8.13 [INFO] [stderr] Compiling markov v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:154:17 [INFO] [stdout] | [INFO] [stdout] 154 | pub fn iter(&self) -> InfiniteChainIterator { [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] 154 | pub fn iter(&self) -> InfiniteChainIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:159:21 [INFO] [stdout] | [INFO] [stdout] 159 | pub fn iter_for(&self, size: usize) -> SizedChainIterator { [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] 159 | pub fn iter_for(&self, size: usize) -> SizedChainIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:279:21 [INFO] [stdout] | [INFO] [stdout] 279 | pub fn str_iter(&self) -> InfiniteChainStringIterator { [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] 279 | pub fn str_iter(&self) -> InfiniteChainStringIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:285:25 [INFO] [stdout] | [INFO] [stdout] 285 | pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator { [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] 285 | pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/markgen.rs:48:26 [INFO] [stdout] | [INFO] [stdout] 48 | Err(e) => panic!(e.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 48 | Err(e) => panic!("{}", e.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.26s [INFO] running `Command { std: "docker" "inspect" "9e780d9b55936e251fd01fc23dfc11fa7670e2f65cd1270a68a4cc027e540ad2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e780d9b55936e251fd01fc23dfc11fa7670e2f65cd1270a68a4cc027e540ad2", kill_on_drop: false }` [INFO] [stdout] 9e780d9b55936e251fd01fc23dfc11fa7670e2f65cd1270a68a4cc027e540ad2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c00b66c0d21d1cfb84c16a6eb3d211fdc16d6ae94830350a2691173bcc2c2d2 [INFO] running `Command { std: "docker" "start" "-a" "3c00b66c0d21d1cfb84c16a6eb3d211fdc16d6ae94830350a2691173bcc2c2d2", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:154:17 [INFO] [stdout] | [INFO] [stdout] 154 | pub fn iter(&self) -> InfiniteChainIterator { [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] 154 | pub fn iter(&self) -> InfiniteChainIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:159:21 [INFO] [stdout] | [INFO] [stdout] 159 | pub fn iter_for(&self, size: usize) -> SizedChainIterator { [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] 159 | pub fn iter_for(&self, size: usize) -> SizedChainIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:279:21 [INFO] [stdout] | [INFO] [stdout] 279 | pub fn str_iter(&self) -> InfiniteChainStringIterator { [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] 279 | pub fn str_iter(&self) -> InfiniteChainStringIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:285:25 [INFO] [stdout] | [INFO] [stdout] 285 | pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator { [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] 285 | pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling markov v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/markgen.rs:48:26 [INFO] [stdout] | [INFO] [stdout] 48 | Err(e) => panic!(e.to_string()), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 48 | Err(e) => panic!("{}", e.to_string()), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:154:17 [INFO] [stdout] | [INFO] [stdout] 154 | pub fn iter(&self) -> InfiniteChainIterator { [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] 154 | pub fn iter(&self) -> InfiniteChainIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:159:21 [INFO] [stdout] | [INFO] [stdout] 159 | pub fn iter_for(&self, size: usize) -> SizedChainIterator { [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] 159 | pub fn iter_for(&self, size: usize) -> SizedChainIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:279:21 [INFO] [stdout] | [INFO] [stdout] 279 | pub fn str_iter(&self) -> InfiniteChainStringIterator { [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] 279 | pub fn str_iter(&self) -> InfiniteChainStringIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:285:25 [INFO] [stdout] | [INFO] [stdout] 285 | pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator { [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] 285 | pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "3c00b66c0d21d1cfb84c16a6eb3d211fdc16d6ae94830350a2691173bcc2c2d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c00b66c0d21d1cfb84c16a6eb3d211fdc16d6ae94830350a2691173bcc2c2d2", kill_on_drop: false }` [INFO] [stdout] 3c00b66c0d21d1cfb84c16a6eb3d211fdc16d6ae94830350a2691173bcc2c2d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 86527752e778657f72d64d96d3fb9f6eea300c0c6303d66fb636a6791050d9ce [INFO] running `Command { std: "docker" "start" "-a" "86527752e778657f72d64d96d3fb9f6eea300c0c6303d66fb636a6791050d9ce", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:154:17 [INFO] [stderr] | [INFO] [stderr] 154 | pub fn iter(&self) -> InfiniteChainIterator { [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] 154 | pub fn iter(&self) -> InfiniteChainIterator<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:159:21 [INFO] [stderr] | [INFO] [stderr] 159 | pub fn iter_for(&self, size: usize) -> SizedChainIterator { [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] 159 | pub fn iter_for(&self, size: usize) -> SizedChainIterator<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:279:21 [INFO] [stderr] | [INFO] [stderr] 279 | pub fn str_iter(&self) -> InfiniteChainStringIterator { [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] 279 | pub fn str_iter(&self) -> InfiniteChainStringIterator<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:285:25 [INFO] [stderr] | [INFO] [stderr] 285 | pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator { [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] 285 | pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `markov` (lib) generated 4 warnings (run `cargo fix --lib -p markov` to apply 4 suggestions) [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/bin/markgen.rs:48:26 [INFO] [stderr] | [INFO] [stderr] 48 | Err(e) => panic!(e.to_string()), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] help: add a "{}" format string to `Display` the message [INFO] [stderr] | [INFO] [stderr] 48 | Err(e) => panic!("{}", e.to_string()), [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: `markov` (bin "markgen" test) generated 1 warning (run `cargo fix --bin "markgen" --tests` to apply 1 suggestion) [INFO] [stderr] warning: `markov` (lib test) generated 4 warnings (4 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/markov-cef8fcce411bcb81) [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test test::feed ... ok [INFO] [stdout] test test::generate ... ok [INFO] [stdout] test test::generate_from_unfound_token ... ok [INFO] [stdout] test test::generate_from_token ... ok [INFO] [stdout] test test::feed_str ... ok [INFO] [stdout] test test::is_empty ... ok [INFO] [stdout] test test::iter ... ok [INFO] [stdout] test test::str_iter ... ok [INFO] [stdout] test test::generate_str_from_token_higher_order ... ok [INFO] [stdout] test test::generate_str_from_unfound_token ... ok [INFO] [stdout] test test::iter_for ... ok [INFO] [stdout] test test::new ... ok [INFO] [stdout] test test::str_iter_for ... ok [INFO] [stdout] test test::generate_for_higher_order ... ok [INFO] [stdout] test test::generate_str ... ok [INFO] [stdout] test test::generate_str_from_token ... ok [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stdout] test test::save_then_load ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test::save_then_load stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'test::save_then_load' (38) panicked at src/lib.rs:491:33: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x60ad5e454152 - std::backtrace_rs::backtrace::libunwind::trace::h0fb8082ca5562a61 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x60ad5e454152 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa258994374a3cd [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x60ad5e454152 - std::sys::backtrace::_print_fmt::h11496fe34963a885 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x60ad5e454152 - ::fmt::hff1a9408d012ee89 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x60ad5e47829f - core::fmt::rt::Argument::fmt::hf11195b61445f5d1 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x60ad5e47829f - core::fmt::write::h2f1fc679f228cc52 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x60ad5e440d03 - std::io::default_write_fmt::h12bd533187bc883d [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x60ad5e440d03 - std::io::Write::write_fmt::h926a1fdfdcb90065 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x60ad5e453fa2 - std::sys::backtrace::BacktraceLock::print::h28bfdbcac6d3828b [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x60ad5e43f4ac - std::panicking::default_hook::{{closure}}::h1f968e3a24b0e3b4 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x60ad5e43f329 - std::panicking::default_hook::h43da101644971931 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x60ad5e3729fe - as core::ops::function::Fn>::call::h4b2012949041da5d [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 12: 0x60ad5e3729fe - test::test_main_with_exit_callback::{{closure}}::h53c9154cdc260357 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x60ad5e43fab3 - as core::ops::function::Fn>::call::h911f2e3e7e84b764 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 14: 0x60ad5e43fab3 - std::panicking::panic_with_hook::hb4e916c3e65eccec [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x60ad5e453b2a - std::panicking::panic_handler::{{closure}}::hbff715d0475cf1bd [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x60ad5e453a89 - std::sys::backtrace::__rust_end_short_backtrace::hd6f43484e45a4955 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x60ad5e4400dd - __rustc[b29d3319de9a3146]::rust_begin_unwind [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x60ad5e47fd90 - core::panicking::panic_fmt::h5f8d281875be5ff1 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x60ad5e480e26 - core::result::unwrap_failed::hbb243a6a8b53218d [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:1852:5 [INFO] [stdout] 20: 0x60ad5e3576b8 - core::result::Result::unwrap::he4e602bee1494a86 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:1223:23 [INFO] [stdout] 21: 0x60ad5e3576b8 - markov::test::save_then_load::h0533e05703d36e1b [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:491:33 [INFO] [stdout] 22: 0x60ad5e358a47 - markov::test::save_then_load::{{closure}}::h88d0c08f8fa89321 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:488:24 [INFO] [stdout] 23: 0x60ad5e3673b6 - core::ops::function::FnOnce::call_once::h1b380dc905019e6a [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x60ad5e377f3b - core::ops::function::FnOnce::call_once::haf4e03bb51ef1351 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x60ad5e377f3b - test::__rust_begin_short_backtrace::h50f5566ee84f2f21 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x60ad5e37b135 - test::run_test_in_process::{{closure}}::heb3733b71d876eca [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x60ad5e37b135 - as core::ops::function::FnOnce<()>>::call_once::he2fe41e1b161faa9 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x60ad5e37b135 - std::panicking::catch_unwind::do_call::h00aa383d8fd97a09 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x60ad5e37b135 - std::panicking::catch_unwind::he482e1914bc21641 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x60ad5e37b135 - std::panic::catch_unwind::h86ac9705098f4f22 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x60ad5e37b135 - test::run_test_in_process::h636a992821e3c6aa [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x60ad5e37b135 - test::run_test::{{closure}}::he454cc9a192df79f [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x60ad5e3a0ae4 - test::run_test::{{closure}}::haec47455908dff86 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x60ad5e3a0ae4 - std::sys::backtrace::__rust_begin_short_backtrace::h230785972524cdc1 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x60ad5e3876fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::haa5a562db4cde838 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x60ad5e3876fa - as core::ops::function::FnOnce<()>>::call_once::h89254f37a55d0a87 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x60ad5e3876fa - std::panicking::catch_unwind::do_call::h499f5a462f019d9d [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x60ad5e3876fa - std::panicking::catch_unwind::h6736fbbb1a264383 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x60ad5e3876fa - std::panic::catch_unwind::h49ea7bdd1cbee572 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x60ad5e3876fa - std::thread::Builder::spawn_unchecked_::{{closure}}::h653dfa62acf32f5a [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x60ad5e3876fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h82582a626a045a45 [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x60ad5e42a6af - as core::ops::function::FnOnce>::call_once::h4ab26c07513156cc [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/alloc/src/boxed.rs:1971:9 [INFO] [stdout] 43: 0x60ad5e42a6af - std::sys::pal::unix::thread::Thread::new::thread_start::h66ff1bba185a50cf [INFO] [stdout] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/pal/unix/thread.rs:107:17 [INFO] [stdout] 44: 0x780aca24caa4 - [INFO] [stdout] 45: 0x780aca2d9a34 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test::save_then_load [INFO] [stdout] [INFO] [stdout] test result: FAILED. 16 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "86527752e778657f72d64d96d3fb9f6eea300c0c6303d66fb636a6791050d9ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86527752e778657f72d64d96d3fb9f6eea300c0c6303d66fb636a6791050d9ce", kill_on_drop: false }` [INFO] [stdout] 86527752e778657f72d64d96d3fb9f6eea300c0c6303d66fb636a6791050d9ce