[INFO] cloning repository https://github.com/SecretGmG/schematic-builder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SecretGmG/schematic-builder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSecretGmG%2Fschematic-builder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSecretGmG%2Fschematic-builder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77e119c374edbde5d5a2785db70dc6ef23ada08b
[INFO] documenting SecretGmG/schematic-builder against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSecretGmG%2Fschematic-builder" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  59% (1293/2156)
Updating files:  60% (1294/2156)
Updating files:  61% (1316/2156)
Updating files:  62% (1337/2156)
Updating files:  63% (1359/2156)
Updating files:  64% (1380/2156)
Updating files:  65% (1402/2156)
Updating files:  66% (1423/2156)
Updating files:  67% (1445/2156)
Updating files:  68% (1467/2156)
Updating files:  69% (1488/2156)
Updating files:  70% (1510/2156)
Updating files:  71% (1531/2156)
Updating files:  72% (1553/2156)
Updating files:  73% (1574/2156)
Updating files:  74% (1596/2156)
Updating files:  75% (1617/2156)
Updating files:  76% (1639/2156)
Updating files:  77% (1661/2156)
Updating files:  78% (1682/2156)
Updating files:  79% (1704/2156)
Updating files:  80% (1725/2156)
Updating files:  81% (1747/2156)
Updating files:  82% (1768/2156)
Updating files:  83% (1790/2156)
Updating files:  84% (1812/2156)
Updating files:  85% (1833/2156)
Updating files:  86% (1855/2156)
Updating files:  87% (1876/2156)
Updating files:  88% (1898/2156)
Updating files:  89% (1919/2156)
Updating files:  90% (1941/2156)
Updating files:  91% (1962/2156)
Updating files:  91% (1977/2156)
Updating files:  92% (1984/2156)
Updating files:  93% (2006/2156)
Updating files:  94% (2027/2156)
Updating files:  95% (2049/2156)
Updating files:  96% (2070/2156)
Updating files:  97% (2092/2156)
Updating files:  98% (2113/2156)
Updating files:  99% (2135/2156)
Updating files: 100% (2156/2156)
Updating files: 100% (2156/2156), done.
[INFO] validating manifest of git repo https://github.com/SecretGmG/schematic-builder on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SecretGmG/schematic-builder
[INFO] finished tweaking git repo https://github.com/SecretGmG/schematic-builder
[INFO] tweaked toml for git repo https://github.com/SecretGmG/schematic-builder written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SecretGmG/schematic-builder 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hematite-nbt v0.5.2
[INFO] [stderr]   Downloaded kd-tree v0.5.1
[INFO] [stderr]   Downloaded ordered-float v3.6.0
[INFO] [stderr]   Downloaded math v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29d9d4ae8f3ca98e37890f4eb04e7b6bba90c192f827646802683d358fdb3e53
[INFO] running `Command { std: "docker" "start" "-a" "29d9d4ae8f3ca98e37890f4eb04e7b6bba90c192f827646802683d358fdb3e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29d9d4ae8f3ca98e37890f4eb04e7b6bba90c192f827646802683d358fdb3e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d9d4ae8f3ca98e37890f4eb04e7b6bba90c192f827646802683d358fdb3e53", kill_on_drop: false }`
[INFO] [stdout] 29d9d4ae8f3ca98e37890f4eb04e7b6bba90c192f827646802683d358fdb3e53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a16afab6e83f1a85dfc82b0c66864bd5b3e77b4b779dcd31bc22215a8be1618b
[INFO] running `Command { std: "docker" "start" "-a" "a16afab6e83f1a85dfc82b0c66864bd5b3e77b4b779dcd31bc22215a8be1618b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking pdqselect v0.1.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]    Compiling syn v2.0.4
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ordered-float v3.6.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking kd-tree v0.5.1
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking math v0.10.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/math-0.10.0/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/math-0.10.0/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(bool_to_option)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/math-0.10.0/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<ContiguousIntegerSet<E>>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/math-0.10.0/src/set/ordered_integer_set.rs:153:24
[INFO] [stdout]     |
[INFO] [stdout] 153 |         self.intervals.drain_filter(|i| i.is_empty());
[INFO] [stdout]     |                        ^^^^^^^^^^^^ method not found in `Vec<ContiguousIntegerSet<E>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `math` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a16afab6e83f1a85dfc82b0c66864bd5b3e77b4b779dcd31bc22215a8be1618b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16afab6e83f1a85dfc82b0c66864bd5b3e77b4b779dcd31bc22215a8be1618b", kill_on_drop: false }`
[INFO] [stdout] a16afab6e83f1a85dfc82b0c66864bd5b3e77b4b779dcd31bc22215a8be1618b
[INFO] documenting SecretGmG/schematic-builder against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSecretGmG%2Fschematic-builder" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  59% (1293/2156)
Updating files:  60% (1294/2156)
Updating files:  61% (1316/2156)
Updating files:  62% (1337/2156)
Updating files:  63% (1359/2156)
Updating files:  64% (1380/2156)
Updating files:  65% (1402/2156)
Updating files:  66% (1423/2156)
Updating files:  67% (1445/2156)
Updating files:  68% (1467/2156)
Updating files:  69% (1488/2156)
Updating files:  70% (1510/2156)
Updating files:  71% (1531/2156)
Updating files:  72% (1553/2156)
Updating files:  73% (1574/2156)
Updating files:  74% (1596/2156)
Updating files:  75% (1617/2156)
Updating files:  76% (1639/2156)
Updating files:  77% (1661/2156)
Updating files:  78% (1682/2156)
Updating files:  79% (1704/2156)
Updating files:  80% (1725/2156)
Updating files:  81% (1747/2156)
Updating files:  82% (1768/2156)
Updating files:  83% (1790/2156)
Updating files:  84% (1812/2156)
Updating files:  85% (1833/2156)
Updating files:  86% (1855/2156)
Updating files:  87% (1876/2156)
Updating files:  88% (1898/2156)
Updating files:  88% (1911/2156)
Updating files:  89% (1919/2156)
Updating files:  90% (1941/2156)
Updating files:  91% (1962/2156)
Updating files:  92% (1984/2156)
Updating files:  93% (2006/2156)
Updating files:  94% (2027/2156)
Updating files:  95% (2049/2156)
Updating files:  96% (2070/2156)
Updating files:  97% (2092/2156)
Updating files:  98% (2113/2156)
Updating files:  99% (2135/2156)
Updating files: 100% (2156/2156)
Updating files: 100% (2156/2156), done.
[INFO] validating manifest of git repo https://github.com/SecretGmG/schematic-builder on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SecretGmG/schematic-builder
[INFO] finished tweaking git repo https://github.com/SecretGmG/schematic-builder
[INFO] tweaked toml for git repo https://github.com/SecretGmG/schematic-builder written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SecretGmG/schematic-builder 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-2023-12-22" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff47313ac8e7c206f04f9dbbbd387b82870be4e5fd74f49079defdfb886d24a5
[INFO] running `Command { std: "docker" "start" "-a" "ff47313ac8e7c206f04f9dbbbd387b82870be4e5fd74f49079defdfb886d24a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff47313ac8e7c206f04f9dbbbd387b82870be4e5fd74f49079defdfb886d24a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff47313ac8e7c206f04f9dbbbd387b82870be4e5fd74f49079defdfb886d24a5", kill_on_drop: false }`
[INFO] [stdout] ff47313ac8e7c206f04f9dbbbd387b82870be4e5fd74f49079defdfb886d24a5
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53d160562ac493021ae588fdf636cd1d8d9d42a4d6bfbc30a22f28bc57a2b28c
[INFO] running `Command { std: "docker" "start" "-a" "53d160562ac493021ae588fdf636cd1d8d9d42a4d6bfbc30a22f28bc57a2b28c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking pdqselect v0.1.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling syn v2.0.4
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking ordered-float v3.6.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking kd-tree v0.5.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking math v0.10.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/math-0.10.0/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/math-0.10.0/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(bool_to_option)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/math-0.10.0/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<ContiguousIntegerSet<E>>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/math-0.10.0/src/set/ordered_integer_set.rs:153:24
[INFO] [stdout]     |
[INFO] [stdout] 153 |         self.intervals.drain_filter(|i| i.is_empty());
[INFO] [stdout]     |                        ^^^^^^^^^^^^ method not found in `Vec<ContiguousIntegerSet<E>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `math` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "53d160562ac493021ae588fdf636cd1d8d9d42a4d6bfbc30a22f28bc57a2b28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d160562ac493021ae588fdf636cd1d8d9d42a4d6bfbc30a22f28bc57a2b28c", kill_on_drop: false }`
[INFO] [stdout] 53d160562ac493021ae588fdf636cd1d8d9d42a4d6bfbc30a22f28bc57a2b28c
