[INFO] fetching crate tycho 0.1.2...
[INFO] checking tycho-0.1.2 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate tycho 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tycho 0.1.2 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tycho 0.1.2
[INFO] finished tweaking crates.io crate tycho 0.1.2
[INFO] tweaked toml for crates.io crate tycho 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-byteorder v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3419efae64b54c41e1616ac4923371a26d6a3ef25ceb4f12c3719c42dbc9b5de
[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" "3419efae64b54c41e1616ac4923371a26d6a3ef25ceb4f12c3719c42dbc9b5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3419efae64b54c41e1616ac4923371a26d6a3ef25ceb4f12c3719c42dbc9b5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3419efae64b54c41e1616ac4923371a26d6a3ef25ceb4f12c3719c42dbc9b5de", kill_on_drop: false }`
[INFO] [stdout] 3419efae64b54c41e1616ac4923371a26d6a3ef25ceb4f12c3719c42dbc9b5de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e17000f70db8cb08b5b4f17c252b981098068a697fbfb5f1fa35252bca47b1e
[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" "0e17000f70db8cb08b5b4f17c252b981098068a697fbfb5f1fa35252bca47b1e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   serde v1.0.128: derive, serde_derive
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Checking tycho v0.1.2 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/types/ident.rs:4:7
[INFO] [stdout]    |
[INFO] [stdout] 4  |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 5  |   /// Identities for numerical values.
[INFO] [stdout] 6  | / pub enum NumberIdent {
[INFO] [stdout] 7  | |     Bit,
[INFO] [stdout] 8  | |     Unsigned8,
[INFO] [stdout] 9  | |     Signed8,
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     Float64
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` 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 #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/types/ident.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 24 |   /// Identities for primitive values.
[INFO] [stdout] 25 | / pub enum ValueIdent {
[INFO] [stdout] 26 | |     Null,
[INFO] [stdout] 27 | |     Boolean,
[INFO] [stdout] 28 | |     String,
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     UUID
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_- not a `use` item
[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 #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/types/ident.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 37 |   /// Identities for elements.
[INFO] [stdout] 38 | / pub enum ElementIdent {
[INFO] [stdout] 39 | |     Unit,
[INFO] [stdout] 40 | |     Value,
[INFO] [stdout] 41 | |     Some,
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     Compression
[INFO] [stdout] 49 | | }
[INFO] [stdout]    | |_- not a `use` item
[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 #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/types/ident.rs:4:7
[INFO] [stdout]    |
[INFO] [stdout] 4  |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 5  |   /// Identities for numerical values.
[INFO] [stdout] 6  | / pub enum NumberIdent {
[INFO] [stdout] 7  | |     Bit,
[INFO] [stdout] 8  | |     Unsigned8,
[INFO] [stdout] 9  | |     Signed8,
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     Float64
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` 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 #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/types/ident.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 24 |   /// Identities for primitive values.
[INFO] [stdout] 25 | / pub enum ValueIdent {
[INFO] [stdout] 26 | |     Null,
[INFO] [stdout] 27 | |     Boolean,
[INFO] [stdout] 28 | |     String,
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     UUID
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_- not a `use` item
[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 #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/types/ident.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 37 |   /// Identities for elements.
[INFO] [stdout] 38 | / pub enum ElementIdent {
[INFO] [stdout] 39 | |     Unit,
[INFO] [stdout] 40 | |     Value,
[INFO] [stdout] 41 | |     Some,
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     Compression
[INFO] [stdout] 49 | | }
[INFO] [stdout]    | |_- not a `use` item
[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 #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.87s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking tycho v0.1.2 (/tmp/fixit)
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/types/ident.rs:4:7
[INFO] [stdout]    |
[INFO] [stdout] 4  |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 5  |   /// Identities for numerical values.
[INFO] [stdout] 6  | / pub enum NumberIdent {
[INFO] [stdout] 7  | |     Bit,
[INFO] [stdout] 8  | |     Unsigned8,
[INFO] [stdout] 9  | |     Signed8,
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     Float64
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` 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 #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/types/ident.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 24 |   /// Identities for primitive values.
[INFO] [stdout] 25 | / pub enum ValueIdent {
[INFO] [stdout] 26 | |     Null,
[INFO] [stdout] 27 | |     Boolean,
[INFO] [stdout] 28 | |     String,
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     UUID
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_- not a `use` item
[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 #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/types/ident.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 37 |   /// Identities for elements.
[INFO] [stdout] 38 | / pub enum ElementIdent {
[INFO] [stdout] 39 | |     Unit,
[INFO] [stdout] 40 | |     Value,
[INFO] [stdout] 41 | |     Some,
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     Compression
[INFO] [stdout] 49 | | }
[INFO] [stdout]    | |_- not a `use` item
[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 #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/types/ident.rs:4:7
[INFO] [stdout]    |
[INFO] [stdout] 4  |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 5  |   /// Identities for numerical values.
[INFO] [stdout] 6  | / pub enum NumberIdent {
[INFO] [stdout] 7  | |     Bit,
[INFO] [stdout] 8  | |     Unsigned8,
[INFO] [stdout] 9  | |     Signed8,
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     Float64
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` 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 #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/types/ident.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 24 |   /// Identities for primitive values.
[INFO] [stdout] 25 | / pub enum ValueIdent {
[INFO] [stdout] 26 | |     Null,
[INFO] [stdout] 27 | |     Boolean,
[INFO] [stdout] 28 | |     String,
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     UUID
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_- not a `use` item
[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 #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/types/ident.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 37 |   /// Identities for elements.
[INFO] [stdout] 38 | / pub enum ElementIdent {
[INFO] [stdout] 39 | |     Unit,
[INFO] [stdout] 40 | |     Value,
[INFO] [stdout] 41 | |     Some,
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     Compression
[INFO] [stdout] 49 | | }
[INFO] [stdout]    | |_- not a `use` item
[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 #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "0e17000f70db8cb08b5b4f17c252b981098068a697fbfb5f1fa35252bca47b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e17000f70db8cb08b5b4f17c252b981098068a697fbfb5f1fa35252bca47b1e", kill_on_drop: false }`
[INFO] [stdout] 0e17000f70db8cb08b5b4f17c252b981098068a697fbfb5f1fa35252bca47b1e