[INFO] fetching crate nyoom-json 0.3.1...
[INFO] checking nyoom-json-0.3.1 against master#c290daa1e5274a52e54a0f49e31bd70192abc606 for pr-133502-23
[INFO] extracting crate nyoom-json 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nyoom-json 0.3.1
[INFO] finished tweaking crates.io crate nyoom-json 0.3.1
[INFO] tweaked toml for crates.io crate nyoom-json 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nyoom-json 0.3.1 on toolchain c290daa1e5274a52e54a0f49e31bd70192abc606
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nyoom-json 0.3.1 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" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.22
[INFO] [stderr]   Downloaded sealed v0.6.0
[INFO] [stderr]   Downloaded quote v1.0.43
[INFO] [stderr]   Downloaded proc-macro2 v1.0.105
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.33
[INFO] [stderr]   Downloaded zerocopy v0.8.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f72d1100ab78db3fd953913299e6755904ed01d17c947d3b887a5ac2607e1fcd
[INFO] running `Command { std: "docker" "start" "f72d1100ab78db3fd953913299e6755904ed01d17c947d3b887a5ac2607e1fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f72d1100ab78db3fd953913299e6755904ed01d17c947d3b887a5ac2607e1fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f72d1100ab78db3fd953913299e6755904ed01d17c947d3b887a5ac2607e1fcd" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f72d1100ab78db3fd953913299e6755904ed01d17c947d3b887a5ac2607e1fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f72d1100ab78db3fd953913299e6755904ed01d17c947d3b887a5ac2607e1fcd" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling zmij v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking ryu v1.0.22
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.33
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling sealed v0.6.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking nyoom-json v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:95:21
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(buf: &mut S) -> Serializer<S> {
[INFO] [stdout]    |                     ^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(buf: &mut S) -> Serializer<'_, S> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn array(&mut self) -> ArrayWriter<S> {
[INFO] [stdout]     |                  ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn array(&mut self) -> ArrayWriter<'_, S> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:147:19
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn object(&mut self) -> ObjectWriter<S> {
[INFO] [stdout]     |                   ^^^^^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn object(&mut self) -> ObjectWriter<'_, S> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:307:23
[INFO] [stdout]     |
[INFO] [stdout] 307 |     pub fn add_object(&mut self) -> ObjectWriter<S> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 307 |     pub fn add_object(&mut self) -> ObjectWriter<'_, S> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:330:22
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn add_array(&mut self) -> ArrayWriter<S> {
[INFO] [stdout]     |                      ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn add_array(&mut self) -> ArrayWriter<'_, S> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:372:37
[INFO] [stdout]     |
[INFO] [stdout] 372 |     pub fn start(buf: &'a mut S) -> ObjectWriter<S> {
[INFO] [stdout]     |                        --           ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 372 |     pub fn start(buf: &'a mut S) -> ObjectWriter<'a, S> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:470:33
[INFO] [stdout]     |
[INFO] [stdout] 470 |     pub fn object_field<K: Key>(&mut self, key: K) -> ObjectWriter<S> {
[INFO] [stdout]     |                                 ^^^^^^^^^             ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 470 |     pub fn object_field<K: Key>(&mut self, key: K) -> ObjectWriter<'_, S> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:499:32
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn array_field<K: Key>(&mut self, key: K) -> ArrayWriter<S> {
[INFO] [stdout]     |                                ^^^^^^^^^             ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn array_field<K: Key>(&mut self, key: K) -> ArrayWriter<'_, S> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:95:21
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(buf: &mut S) -> Serializer<S> {
[INFO] [stdout]    |                     ^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(buf: &mut S) -> Serializer<'_, S> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn array(&mut self) -> ArrayWriter<S> {
[INFO] [stdout]     |                  ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn array(&mut self) -> ArrayWriter<'_, S> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:147:19
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn object(&mut self) -> ObjectWriter<S> {
[INFO] [stdout]     |                   ^^^^^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn object(&mut self) -> ObjectWriter<'_, S> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:307:23
[INFO] [stdout]     |
[INFO] [stdout] 307 |     pub fn add_object(&mut self) -> ObjectWriter<S> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 307 |     pub fn add_object(&mut self) -> ObjectWriter<'_, S> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:330:22
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn add_array(&mut self) -> ArrayWriter<S> {
[INFO] [stdout]     |                      ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn add_array(&mut self) -> ArrayWriter<'_, S> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:372:37
[INFO] [stdout]     |
[INFO] [stdout] 372 |     pub fn start(buf: &'a mut S) -> ObjectWriter<S> {
[INFO] [stdout]     |                        --           ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 372 |     pub fn start(buf: &'a mut S) -> ObjectWriter<'a, S> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:470:33
[INFO] [stdout]     |
[INFO] [stdout] 470 |     pub fn object_field<K: Key>(&mut self, key: K) -> ObjectWriter<S> {
[INFO] [stdout]     |                                 ^^^^^^^^^             ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 470 |     pub fn object_field<K: Key>(&mut self, key: K) -> ObjectWriter<'_, S> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:499:32
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn array_field<K: Key>(&mut self, key: K) -> ArrayWriter<S> {
[INFO] [stdout]     |                                ^^^^^^^^^             ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn array_field<K: Key>(&mut self, key: K) -> ArrayWriter<'_, S> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> benches/serialize.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |             serde_json::to_writer(&mut out, &anime);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let _ = serde_json::to_writer(&mut out, &anime);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `Command { std: "docker" "inspect" "f72d1100ab78db3fd953913299e6755904ed01d17c947d3b887a5ac2607e1fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f72d1100ab78db3fd953913299e6755904ed01d17c947d3b887a5ac2607e1fcd", kill_on_drop: false }`
[INFO] [stdout] f72d1100ab78db3fd953913299e6755904ed01d17c947d3b887a5ac2607e1fcd
