[INFO] fetching crate musli-zerocopy 0.0.92...
[INFO] checking musli-zerocopy-0.0.92 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate musli-zerocopy 0.0.92 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate musli-zerocopy 0.0.92 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate musli-zerocopy 0.0.92
[INFO] finished tweaking crates.io crate musli-zerocopy 0.0.92
[INFO] tweaked toml for crates.io crate musli-zerocopy 0.0.92 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate musli-zerocopy 0.0.92 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded musli-zerocopy-macros v0.0.92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10d23d44267d9e96f04a25c329a07ef48d5aac72436d1440486648b73c3b2bad
[INFO] running `Command { std: "docker" "start" "-a" "10d23d44267d9e96f04a25c329a07ef48d5aac72436d1440486648b73c3b2bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10d23d44267d9e96f04a25c329a07ef48d5aac72436d1440486648b73c3b2bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d23d44267d9e96f04a25c329a07ef48d5aac72436d1440486648b73c3b2bad", kill_on_drop: false }`
[INFO] [stdout] 10d23d44267d9e96f04a25c329a07ef48d5aac72436d1440486648b73c3b2bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eaebddeadc3c3702c7f9a8cf2d9bb0c677b68d217c56fbf6e214fd09982facf
[INFO] running `Command { std: "docker" "start" "-a" "0eaebddeadc3c3702c7f9a8cf2d9bb0c677b68d217c56fbf6e214fd09982facf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking basic-toml v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling musli-zerocopy-macros v0.0.92
[INFO] [stderr]     Checking musli-zerocopy v0.0.92 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `Command { std: "docker" "inspect" "0eaebddeadc3c3702c7f9a8cf2d9bb0c677b68d217c56fbf6e214fd09982facf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eaebddeadc3c3702c7f9a8cf2d9bb0c677b68d217c56fbf6e214fd09982facf", kill_on_drop: false }`
[INFO] [stdout] 0eaebddeadc3c3702c7f9a8cf2d9bb0c677b68d217c56fbf6e214fd09982facf
[INFO] checking musli-zerocopy-0.0.92 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate musli-zerocopy 0.0.92 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate musli-zerocopy 0.0.92 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate musli-zerocopy 0.0.92
[INFO] finished tweaking crates.io crate musli-zerocopy 0.0.92
[INFO] tweaked toml for crates.io crate musli-zerocopy 0.0.92 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate musli-zerocopy 0.0.92 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22f258dc9c6b7c3249b4be5e9938da290cb0037fa7017cc86c9a22a08dc488eb
[INFO] running `Command { std: "docker" "start" "-a" "22f258dc9c6b7c3249b4be5e9938da290cb0037fa7017cc86c9a22a08dc488eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22f258dc9c6b7c3249b4be5e9938da290cb0037fa7017cc86c9a22a08dc488eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f258dc9c6b7c3249b4be5e9938da290cb0037fa7017cc86c9a22a08dc488eb", kill_on_drop: false }`
[INFO] [stdout] 22f258dc9c6b7c3249b4be5e9938da290cb0037fa7017cc86c9a22a08dc488eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2ea47b18d18e11ef900215883ca12b6514640f0da0c04e67d66f56359324fba
[INFO] running `Command { std: "docker" "start" "-a" "d2ea47b18d18e11ef900215883ca12b6514640f0da0c04e67d66f56359324fba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking basic-toml v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling musli-zerocopy-macros v0.0.92
[INFO] [stderr]     Checking musli-zerocopy v0.0.92 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/trie/walk.rs:62:25
[INFO] [stdout]     |
[INFO] [stdout] 62  | /                         match search {
[INFO] [stdout] 63  | |                             BinarySearch::Found(n) => {
[INFO] [stdout] 64  | |                                 break 'node self.buf.load(this.children.get_unchecked(n))?;
[INFO] [stdout] 65  | |                             }
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                             }
[INFO] [stdout] 106 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `musli-zerocopy` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d2ea47b18d18e11ef900215883ca12b6514640f0da0c04e67d66f56359324fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ea47b18d18e11ef900215883ca12b6514640f0da0c04e67d66f56359324fba", kill_on_drop: false }`
[INFO] [stdout] d2ea47b18d18e11ef900215883ca12b6514640f0da0c04e67d66f56359324fba