[INFO] fetching crate futures-await-syn 0.12.0...
[INFO] checking futures-await-syn-0.12.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate futures-await-syn 0.12.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate futures-await-syn 0.12.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-await-syn 0.12.0
[INFO] finished tweaking crates.io crate futures-await-syn 0.12.0
[INFO] tweaked toml for crates.io crate futures-await-syn 0.12.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.2.0)
[INFO] [stderr]       Adding bitflags v0.9.1 (latest: v2.5.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding error-chain v0.10.0 (latest: v0.12.4)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] [stderr]       Adding proc-macro2 v0.1.10 (latest: v1.0.81)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (latest: v0.8.2)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding same-file v0.1.3 (latest: v1.0.6)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding term v0.4.6 (latest: v0.7.0)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding walkdir v1.0.7 (latest: v2.5.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded walkdir v1.0.7
[INFO] [stderr]   Downloaded futures-await-synom v0.12.0
[INFO] [stderr]   Downloaded proc-macro2 v0.1.10
[INFO] [stderr]   Downloaded error-chain v0.10.0
[INFO] [stderr]   Downloaded same-file v0.1.3
[INFO] [stderr]   Downloaded futures-await-quote v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e64a48a393bd50b7994267cf6b0ecea8896b93df103f68b31242d9c660271b60
[INFO] running `Command { std: "docker" "start" "-a" "e64a48a393bd50b7994267cf6b0ecea8896b93df103f68b31242d9c660271b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e64a48a393bd50b7994267cf6b0ecea8896b93df103f68b31242d9c660271b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64a48a393bd50b7994267cf6b0ecea8896b93df103f68b31242d9c660271b60", kill_on_drop: false }`
[INFO] [stdout] e64a48a393bd50b7994267cf6b0ecea8896b93df103f68b31242d9c660271b60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5ccea64941b3a40274e4c997afdf6b4ee68c24bc640c0851e4927afc38776bc
[INFO] running `Command { std: "docker" "start" "-a" "d5ccea64941b3a40274e4c997afdf6b4ee68c24bc640c0851e4927afc38776bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking proc-macro2 v0.1.10
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking futures-await-quote v0.4.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking futures-await-synom v0.12.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking futures-await-syn v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:861:5
[INFO] [stdout]     |
[INFO] [stdout] 861 | /     /// ```ignore
[INFO] [stdout] 862 | |     /// <and> || <and> ...
[INFO] [stdout] 863 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:866:5
[INFO] [stdout]     |
[INFO] [stdout] 866 | /     /// ```ignore
[INFO] [stdout] 867 | |     /// <compare> && <compare> ...
[INFO] [stdout] 868 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:871:5
[INFO] [stdout]     |
[INFO] [stdout] 871 | /     /// ```ignore
[INFO] [stdout] 872 | |     /// <bitor> == <bitor> ...
[INFO] [stdout] 873 | |     /// <bitor> != <bitor> ...
[INFO] [stdout] 874 | |     /// <bitor> >= <bitor> ...
[INFO] [stdout] ...   |
[INFO] [stdout] 880 | |     /// NOTE: This operator appears to be parsed as left-associative, but errors
[INFO] [stdout] 881 | |     /// if it is used in a non-associative manner.
[INFO] [stdout]     | |_____---------------------------------------------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:903:5
[INFO] [stdout]     |
[INFO] [stdout] 903 | /     /// ```ignore
[INFO] [stdout] 904 | |     /// <bitxor> | <bitxor> ...
[INFO] [stdout] 905 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:913:5
[INFO] [stdout]     |
[INFO] [stdout] 913 | /     /// ```ignore
[INFO] [stdout] 914 | |     /// <bitand> ^ <bitand> ...
[INFO] [stdout] 915 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:923:5
[INFO] [stdout]     |
[INFO] [stdout] 923 | /     /// ```ignore
[INFO] [stdout] 924 | |     /// <shift> & <shift> ...
[INFO] [stdout] 925 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:934:5
[INFO] [stdout]     |
[INFO] [stdout] 934 | /     /// ```ignore
[INFO] [stdout] 935 | |     /// <arith> << <arith> ...
[INFO] [stdout] 936 | |     /// <arith> >> <arith> ...
[INFO] [stdout] 937 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:944:5
[INFO] [stdout]     |
[INFO] [stdout] 944 | /     /// ```ignore
[INFO] [stdout] 945 | |     /// <term> + <term> ...
[INFO] [stdout] 946 | |     /// <term> - <term> ...
[INFO] [stdout] 947 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:954:5
[INFO] [stdout]     |
[INFO] [stdout] 954 | /     /// ```ignore
[INFO] [stdout] 955 | |     /// <cast> * <cast> ...
[INFO] [stdout] 956 | |     /// <cast> / <cast> ...
[INFO] [stdout] 957 | |     /// <cast> % <cast> ...
[INFO] [stdout] 958 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:967:5
[INFO] [stdout]     |
[INFO] [stdout] 967 | /     /// ```ignore
[INFO] [stdout] 968 | |     /// <unary> as <ty>
[INFO] [stdout] 969 | |     /// <unary> : <ty>
[INFO] [stdout] 970 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 | /         /// In some positions, types may not contain the `+` character, to
[INFO] [stdout] 351 | |         /// disambiguate them. For example in the expression `1 as T`, T may not
[INFO] [stdout] 352 | |         /// contain a `+` character.
[INFO] [stdout] 353 | |         ///
[INFO] [stdout] 354 | |         /// This parser does not allow a `+`, while the default parser does.
[INFO] [stdout]     | |_________-------------------------------------------------------------------^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen::*`
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub use gen::*;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inner` is never used
[INFO] [stdout]    --> src/attr.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub trait FilterAttrs<'a> {
[INFO] [stdout]     |           ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 263 |     fn inner(self) -> Self::Ret;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lifetime.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("{:?} is not a valid lifetime name");
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("{:?} is not a valid lifetime name", ...);
[INFO] [stdout]    |                                                       +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("{}", "{:?} is not a valid lifetime name");
[INFO] [stdout]    |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking syntex_pos v0.59.1
[INFO] [stderr]     Checking serde_json v1.0.116
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/extprim-1.7.1/src/lib.rs:58:81
[INFO] [stdout]    |
[INFO] [stdout] 58 | #![cfg_attr(extprim_channel="unstable", feature(llvm_asm, test, specialization, const_fn))]
[INFO] [stdout]    |                                                                                 ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/extprim-1.7.1/src/u128.rs:884:9
[INFO] [stdout]     |
[INFO] [stdout] 884 |         llvm_asm!("
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/extprim-1.7.1/src/lib.rs:58:49
[INFO] [stdout]    |
[INFO] [stdout] 58 | #![cfg_attr(extprim_channel="unstable", feature(llvm_asm, test, specialization, const_fn))]
[INFO] [stdout]    |                                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr]     Checking syntex_errors v0.59.1
[INFO] [stderr] error: could not compile `extprim` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d5ccea64941b3a40274e4c997afdf6b4ee68c24bc640c0851e4927afc38776bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ccea64941b3a40274e4c997afdf6b4ee68c24bc640c0851e4927afc38776bc", kill_on_drop: false }`
[INFO] [stdout] d5ccea64941b3a40274e4c997afdf6b4ee68c24bc640c0851e4927afc38776bc
[INFO] checking futures-await-syn-0.12.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate futures-await-syn 0.12.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate futures-await-syn 0.12.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-await-syn 0.12.0
[INFO] finished tweaking crates.io crate futures-await-syn 0.12.0
[INFO] tweaked toml for crates.io crate futures-await-syn 0.12.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.2.0)
[INFO] [stderr]       Adding bitflags v0.9.1 (latest: v2.5.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding error-chain v0.10.0 (latest: v0.12.4)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] [stderr]       Adding proc-macro2 v0.1.10 (latest: v1.0.81)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (latest: v0.8.2)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding same-file v0.1.3 (latest: v1.0.6)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding term v0.4.6 (latest: v0.7.0)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding walkdir v1.0.7 (latest: v2.5.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ff53fc78ace82970eecc54c7d617c247c806bac42332446df23ba295061a9a1
[INFO] running `Command { std: "docker" "start" "-a" "0ff53fc78ace82970eecc54c7d617c247c806bac42332446df23ba295061a9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ff53fc78ace82970eecc54c7d617c247c806bac42332446df23ba295061a9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff53fc78ace82970eecc54c7d617c247c806bac42332446df23ba295061a9a1", kill_on_drop: false }`
[INFO] [stdout] 0ff53fc78ace82970eecc54c7d617c247c806bac42332446df23ba295061a9a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aee35c40faafa2e68d1b6fa94c9982ffc4a312d16acef52d84f46b4a680776e5
[INFO] running `Command { std: "docker" "start" "-a" "aee35c40faafa2e68d1b6fa94c9982ffc4a312d16acef52d84f46b4a680776e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking proc-macro2 v0.1.10
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking futures-await-quote v0.4.0
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking futures-await-synom v0.12.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking futures-await-syn v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:861:5
[INFO] [stdout]     |
[INFO] [stdout] 861 | /     /// ```ignore
[INFO] [stdout] 862 | |     /// <and> || <and> ...
[INFO] [stdout] 863 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:866:5
[INFO] [stdout]     |
[INFO] [stdout] 866 | /     /// ```ignore
[INFO] [stdout] 867 | |     /// <compare> && <compare> ...
[INFO] [stdout] 868 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:871:5
[INFO] [stdout]     |
[INFO] [stdout] 871 | /     /// ```ignore
[INFO] [stdout] 872 | |     /// <bitor> == <bitor> ...
[INFO] [stdout] 873 | |     /// <bitor> != <bitor> ...
[INFO] [stdout] 874 | |     /// <bitor> >= <bitor> ...
[INFO] [stdout] ...   |
[INFO] [stdout] 880 | |     /// NOTE: This operator appears to be parsed as left-associative, but errors
[INFO] [stdout] 881 | |     /// if it is used in a non-associative manner.
[INFO] [stdout]     | |_____---------------------------------------------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:903:5
[INFO] [stdout]     |
[INFO] [stdout] 903 | /     /// ```ignore
[INFO] [stdout] 904 | |     /// <bitxor> | <bitxor> ...
[INFO] [stdout] 905 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:913:5
[INFO] [stdout]     |
[INFO] [stdout] 913 | /     /// ```ignore
[INFO] [stdout] 914 | |     /// <bitand> ^ <bitand> ...
[INFO] [stdout] 915 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:923:5
[INFO] [stdout]     |
[INFO] [stdout] 923 | /     /// ```ignore
[INFO] [stdout] 924 | |     /// <shift> & <shift> ...
[INFO] [stdout] 925 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:934:5
[INFO] [stdout]     |
[INFO] [stdout] 934 | /     /// ```ignore
[INFO] [stdout] 935 | |     /// <arith> << <arith> ...
[INFO] [stdout] 936 | |     /// <arith> >> <arith> ...
[INFO] [stdout] 937 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:944:5
[INFO] [stdout]     |
[INFO] [stdout] 944 | /     /// ```ignore
[INFO] [stdout] 945 | |     /// <term> + <term> ...
[INFO] [stdout] 946 | |     /// <term> - <term> ...
[INFO] [stdout] 947 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:954:5
[INFO] [stdout]     |
[INFO] [stdout] 954 | /     /// ```ignore
[INFO] [stdout] 955 | |     /// <cast> * <cast> ...
[INFO] [stdout] 956 | |     /// <cast> / <cast> ...
[INFO] [stdout] 957 | |     /// <cast> % <cast> ...
[INFO] [stdout] 958 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/expr.rs:967:5
[INFO] [stdout]     |
[INFO] [stdout] 967 | /     /// ```ignore
[INFO] [stdout] 968 | |     /// <unary> as <ty>
[INFO] [stdout] 969 | |     /// <unary> : <ty>
[INFO] [stdout] 970 | |     /// ```
[INFO] [stdout]     | |_____------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ty.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 | /         /// In some positions, types may not contain the `+` character, to
[INFO] [stdout] 351 | |         /// disambiguate them. For example in the expression `1 as T`, T may not
[INFO] [stdout] 352 | |         /// contain a `+` character.
[INFO] [stdout] 353 | |         ///
[INFO] [stdout] 354 | |         /// This parser does not allow a `+`, while the default parser does.
[INFO] [stdout]     | |_________-------------------------------------------------------------------^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen::*`
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub use gen::*;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inner` is never used
[INFO] [stdout]    --> src/attr.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub trait FilterAttrs<'a> {
[INFO] [stdout]     |           ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 263 |     fn inner(self) -> Self::Ret;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lifetime.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("{:?} is not a valid lifetime name");
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("{:?} is not a valid lifetime name", ...);
[INFO] [stdout]    |                                                       +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("{}", "{:?} is not a valid lifetime name");
[INFO] [stdout]    |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking syntex_pos v0.59.1
[INFO] [stderr]     Checking serde_json v1.0.116
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/extprim-1.7.1/src/lib.rs:58:81
[INFO] [stdout]    |
[INFO] [stdout] 58 | #![cfg_attr(extprim_channel="unstable", feature(llvm_asm, test, specialization, const_fn))]
[INFO] [stdout]    |                                                                                 ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/extprim-1.7.1/src/u128.rs:884:9
[INFO] [stdout]     |
[INFO] [stdout] 884 |         llvm_asm!("
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/extprim-1.7.1/src/lib.rs:58:49
[INFO] [stdout]    |
[INFO] [stdout] 58 | #![cfg_attr(extprim_channel="unstable", feature(llvm_asm, test, specialization, const_fn))]
[INFO] [stdout]    |                                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `extprim` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aee35c40faafa2e68d1b6fa94c9982ffc4a312d16acef52d84f46b4a680776e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee35c40faafa2e68d1b6fa94c9982ffc4a312d16acef52d84f46b4a680776e5", kill_on_drop: false }`
[INFO] [stdout] aee35c40faafa2e68d1b6fa94c9982ffc4a312d16acef52d84f46b4a680776e5
