[INFO] fetching crate sayit 0.3.0...
[INFO] checking sayit-0.3.0 against try#94382f34384023f3d2062a34ccf0bb6b4d44a75a for mutual-coercion
[INFO] extracting crate sayit 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sayit 0.3.0
[INFO] finished tweaking crates.io crate sayit 0.3.0
[INFO] tweaked toml for crates.io crate sayit 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sayit 0.3.0 on toolchain 94382f34384023f3d2062a34ccf0bb6b4d44a75a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94382f34384023f3d2062a34ccf0bb6b4d44a75a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sayit 0.3.0 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" "+94382f34384023f3d2062a34ccf0bb6b4d44a75a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+94382f34384023f3d2062a34ccf0bb6b4d44a75a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5662b5c44b4d1fffc57cd427cc3f3ba46d928c18776bb197ac9fbf95624e7734
[INFO] running `Command { std: "docker" "start" "-a" "5662b5c44b4d1fffc57cd427cc3f3ba46d928c18776bb197ac9fbf95624e7734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5662b5c44b4d1fffc57cd427cc3f3ba46d928c18776bb197ac9fbf95624e7734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5662b5c44b4d1fffc57cd427cc3f3ba46d928c18776bb197ac9fbf95624e7734", kill_on_drop: false }`
[INFO] [stdout] 5662b5c44b4d1fffc57cd427cc3f3ba46d928c18776bb197ac9fbf95624e7734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+94382f34384023f3d2062a34ccf0bb6b4d44a75a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adb1f1bad60f104bfede9993dd32646d99b046afdd5228b986b1237f32fa1b2a
[INFO] running `Command { std: "docker" "start" "-a" "adb1f1bad60f104bfede9993dd32646d99b046afdd5228b986b1237f32fa1b2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking inventory v0.3.15
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling typetag-impl v0.2.16
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking erased-serde v0.4.3
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking typetag v0.2.16
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Checking sayit v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]  --> src/tag.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg_attr(feature = "deserialize", typetag::deserialize)]
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^ expected trait `tag::Tag + Send + Sync`, found trait `tag::Tag`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `?` operator cannot convert from `Box<dyn tag::Tag + Send + Sync>` to `Box<dyn tag::Tag>`
[INFO] [stdout]   = note: expected struct `Box<dyn tag::Tag>`
[INFO] [stdout]              found struct `Box<dyn tag::Tag + Send + Sync>`
[INFO] [stdout]   = note: this error originates in the attribute macro `typetag::deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]  --> src/tag.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg_attr(feature = "deserialize", typetag::deserialize)]
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^ expected trait `tag::Tag + Send + Sync`, found trait `tag::Tag + Send`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `?` operator cannot convert from `Box<dyn tag::Tag + Send + Sync>` to `Box<dyn tag::Tag + Send>`
[INFO] [stdout]   = note: expected struct `Box<dyn tag::Tag + Send>`
[INFO] [stdout]              found struct `Box<dyn tag::Tag + Send + Sync>`
[INFO] [stdout]   = note: this error originates in the attribute macro `typetag::deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]  --> src/tag.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg_attr(feature = "deserialize", typetag::deserialize)]
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^ expected trait `tag::Tag + Send + Sync`, found trait `tag::Tag + Sync`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `?` operator cannot convert from `Box<dyn tag::Tag + Send + Sync>` to `Box<dyn tag::Tag + Sync>`
[INFO] [stdout]   = note: expected struct `Box<dyn tag::Tag + Sync>`
[INFO] [stdout]              found struct `Box<dyn tag::Tag + Send + Sync>`
[INFO] [stdout]   = note: this error originates in the attribute macro `typetag::deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sayit` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "adb1f1bad60f104bfede9993dd32646d99b046afdd5228b986b1237f32fa1b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb1f1bad60f104bfede9993dd32646d99b046afdd5228b986b1237f32fa1b2a", kill_on_drop: false }`
[INFO] [stdout] adb1f1bad60f104bfede9993dd32646d99b046afdd5228b986b1237f32fa1b2a
