[INFO] fetching crate algo 0.1.9... [INFO] testing algo-0.1.9 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate algo 0.1.9 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate algo 0.1.9 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate algo 0.1.9 [INFO] finished tweaking crates.io crate algo 0.1.9 [INFO] tweaked toml for crates.io crate algo 0.1.9 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e0745d6c16e751c3c76f820fa0db1b4613758636bea869e4b5f910825f8ad54f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e0745d6c16e751c3c76f820fa0db1b4613758636bea869e4b5f910825f8ad54f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0745d6c16e751c3c76f820fa0db1b4613758636bea869e4b5f910825f8ad54f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0745d6c16e751c3c76f820fa0db1b4613758636bea869e4b5f910825f8ad54f", kill_on_drop: false }` [INFO] [stdout] e0745d6c16e751c3c76f820fa0db1b4613758636bea869e4b5f910825f8ad54f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26524f412f80fa5c497771dcae02127eacf97770686a1a50d82fac5b91f87b11 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "26524f412f80fa5c497771dcae02127eacf97770686a1a50d82fac5b91f87b11", kill_on_drop: false }` [INFO] [stderr] Compiling algo v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] error: unexpected token: `...` [INFO] [stdout] --> src/search/max_subarray.rs:41:56 [INFO] [stdout] | [INFO] [stdout] 41 | let (left_idx, left_max) = cross_part_max(arr, (low...mid).rev()); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: use `..` for an exclusive range [INFO] [stdout] | [INFO] [stdout] 41 | let (left_idx, left_max) = cross_part_max(arr, (low..mid).rev()); [INFO] [stdout] | ^^ [INFO] [stdout] help: or `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] 41 | let (left_idx, left_max) = cross_part_max(arr, (low..=mid).rev()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unexpected token: `...` [INFO] [stdout] --> src/search/max_subarray.rs:42:63 [INFO] [stdout] | [INFO] [stdout] 42 | let (right_idx, right_max) = cross_part_max(arr, (mid + 1)...high); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: use `..` for an exclusive range [INFO] [stdout] | [INFO] [stdout] 42 | let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..high); [INFO] [stdout] | ^^ [INFO] [stdout] help: or `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] 42 | let (right_idx, right_max) = cross_part_max(arr, (mid + 1)..=high); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved imports `std::num::Zero`, `std::num::One` [INFO] [stdout] --> src/math/gcd.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::num::{Zero, One}; [INFO] [stdout] | ^^^^ ^^^ no `One` in `num` [INFO] [stdout] | | [INFO] [stdout] | no `Zero` in `num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::num::Zero` [INFO] [stdout] --> src/math/lcm.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::num::Zero; [INFO] [stdout] | ^^^^^^^^^^^^^^ no `Zero` in `num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(zero_one, inclusive_range_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/math/gcd.rs:119:3 [INFO] [stdout] | [INFO] [stdout] 119 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(soft_unstable)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/math/gcd.rs:124:3 [INFO] [stdout] | [INFO] [stdout] 124 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/search/kmp.rs:108:3 [INFO] [stdout] | [INFO] [stdout] 108 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/search/kmp.rs:117:3 [INFO] [stdout] | [INFO] [stdout] 117 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/search/max_subarray.rs:80:3 [INFO] [stdout] | [INFO] [stdout] 80 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/sort/mod.rs:16:3 [INFO] [stdout] | [INFO] [stdout] 16 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/sort/insertion.rs:70:3 [INFO] [stdout] | [INFO] [stdout] 70 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/sort/insertion.rs:79:3 [INFO] [stdout] | [INFO] [stdout] 79 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/sort/insertion.rs:88:3 [INFO] [stdout] | [INFO] [stdout] 88 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/sort/selection.rs:26:3 [INFO] [stdout] | [INFO] [stdout] 26 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/sort/merge.rs:45:3 [INFO] [stdout] | [INFO] [stdout] 45 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/sort/heap.rs:76:3 [INFO] [stdout] | [INFO] [stdout] 76 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/data_structures/heap/mod.rs:7:3 [INFO] [stdout] | [INFO] [stdout] 7 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/data_structures/heap/fibonacci.rs:457:3 [INFO] [stdout] | [INFO] [stdout] 457 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/data_structures/heap/unsafe_fibonacci.rs:431:3 [INFO] [stdout] | [INFO] [stdout] 431 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors; 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0554. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `algo` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "26524f412f80fa5c497771dcae02127eacf97770686a1a50d82fac5b91f87b11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26524f412f80fa5c497771dcae02127eacf97770686a1a50d82fac5b91f87b11", kill_on_drop: false }` [INFO] [stdout] 26524f412f80fa5c497771dcae02127eacf97770686a1a50d82fac5b91f87b11