[INFO] fetching crate riker-log 0.2.4...
[INFO] documenting riker-log-0.2.4 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate riker-log 0.2.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate riker-log 0.2.4 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 crates.io crate riker-log 0.2.4
[INFO] finished tweaking crates.io crate riker-log 0.2.4
[INFO] tweaked toml for crates.io crate riker-log 0.2.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded runtime-fmt v0.3.0
[INFO] [stderr]   Downloaded riker v0.2.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 274b961e130ad004156538f06f4bcf8c08543d15bbd4da7e3654054bfefbbdc2
[INFO] running `Command { std: "docker" "start" "-a" "274b961e130ad004156538f06f4bcf8c08543d15bbd4da7e3654054bfefbbdc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "274b961e130ad004156538f06f4bcf8c08543d15bbd4da7e3654054bfefbbdc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274b961e130ad004156538f06f4bcf8c08543d15bbd4da7e3654054bfefbbdc2", kill_on_drop: false }`
[INFO] [stdout] 274b961e130ad004156538f06f4bcf8c08543d15bbd4da7e3654054bfefbbdc2
[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=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] 34cc1c545aba7c6ce3ba6256442e7da12c794a483d7f62a6fae07a849cbd66d7
[INFO] running `Command { std: "docker" "start" "-a" "34cc1c545aba7c6ce3ba6256442e7da12c794a483d7f62a6fae07a849cbd66d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking runtime-fmt v0.3.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stdout] error[E0432]: unresolved import `std::fmt::ArgumentV1`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/runtime-fmt-0.3.0/src/lib.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 | use std::fmt::{self, Arguments, ArgumentV1};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 no `ArgumentV1` in `fmt`
[INFO] [stdout]    |                                 help: a similar name exists in the module: `Arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::fmt::rt`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/runtime-fmt-0.3.0/src/lib.rs:40:15
[INFO] [stdout]    |
[INFO] [stdout] 40 | use std::fmt::rt::v1;
[INFO] [stdout]    |               ^^ could not find `rt` in `fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `ArgumentV1` in `fmt`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/runtime-fmt-0.3.0/src/erase.rs:54:48
[INFO] [stdout]    |
[INFO] [stdout] 54 |                               Some(f) => Ok(fmt::ArgumentV1::new(self, f)),
[INFO] [stdout]    |                                                  ^^^^^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  could not find `ArgumentV1` in `fmt`
[INFO] [stdout]    |                                                  help: a struct with a similar name exists: `Arguments`
[INFO] [stdout] ...
[INFO] [stdout] 85 | / traits! {
[INFO] [stdout] 86 | |     "", Display, display;
[INFO] [stdout] 87 | |     "?", Debug, debug;
[INFO] [stdout] 88 | |     "e", LowerExp, lower_exp;
[INFO] [stdout] ...  |
[INFO] [stdout] 94 | |     "X", UpperHex, upper_hex;
[INFO] [stdout] 95 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ArgumentV1` in module `fmt`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/runtime-fmt-0.3.0/src/erase.rs:42:77
[INFO] [stdout]    |
[INFO] [stdout] 42 |               fn by_name<'n>(&self, name: &'n str, idx: usize) -> Result<fmt::ArgumentV1, Error<'n>>;
[INFO] [stdout]    |                                                                               ^^^^^^^^^^ help: a struct with a similar name exists: `Arguments`
[INFO] [stdout] ...
[INFO] [stdout] 85 | / traits! {
[INFO] [stdout] 86 | |     "", Display, display;
[INFO] [stdout] 87 | |     "?", Debug, debug;
[INFO] [stdout] 88 | |     "e", LowerExp, lower_exp;
[INFO] [stdout] ...  |
[INFO] [stdout] 94 | |     "X", UpperHex, upper_hex;
[INFO] [stdout] 95 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:303:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named struct `Arguments` defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ArgumentV1` in module `fmt`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/runtime-fmt-0.3.0/src/erase.rs:50:77
[INFO] [stdout]    |
[INFO] [stdout] 50 |               fn by_name<'n>(&self, name: &'n str, idx: usize) -> Result<fmt::ArgumentV1, Error<'n>> {
[INFO] [stdout]    |                                                                               ^^^^^^^^^^ help: a struct with a similar name exists: `Arguments`
[INFO] [stdout] ...
[INFO] [stdout] 85 | / traits! {
[INFO] [stdout] 86 | |     "", Display, display;
[INFO] [stdout] 87 | |     "?", Debug, debug;
[INFO] [stdout] 88 | |     "e", LowerExp, lower_exp;
[INFO] [stdout] ...  |
[INFO] [stdout] 94 | |     "X", UpperHex, upper_hex;
[INFO] [stdout] 95 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:303:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named struct `Arguments` defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/runtime-fmt-0.3.0/src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(fmt_internals)]
[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/runtime-fmt-0.3.0/src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(conservative_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `conservative_impl_trait` has been stable since `1.26.0` and no longer requires an attribute to enable
[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/runtime-fmt-0.3.0/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(specialization)]
[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/runtime-fmt-0.3.0/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(print_internals)]
[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/runtime-fmt-0.3.0/src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(rustc_private)]
[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/runtime-fmt-0.3.0/src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(try_from)]
[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/runtime-fmt-0.3.0/src/lib.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(fmt_internals)]
[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/runtime-fmt-0.3.0/src/lib.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(print_internals)]
[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/runtime-fmt-0.3.0/src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(try_from)]
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runtime-fmt` (lib) due to 15 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "34cc1c545aba7c6ce3ba6256442e7da12c794a483d7f62a6fae07a849cbd66d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34cc1c545aba7c6ce3ba6256442e7da12c794a483d7f62a6fae07a849cbd66d7", kill_on_drop: false }`
[INFO] [stdout] 34cc1c545aba7c6ce3ba6256442e7da12c794a483d7f62a6fae07a849cbd66d7
