[INFO] fetching crate diskmap 0.2.0...
[INFO] checking diskmap-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate diskmap 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate diskmap 0.2.0 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 diskmap 0.2.0
[INFO] finished tweaking crates.io crate diskmap 0.2.0
[INFO] tweaked toml for crates.io crate diskmap 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded advisory-lock v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc00519b5b4e9337bc103a78f404a2f7360dbd6ba16885dbdd535ebe6fec3cc2
[INFO] running `Command { std: "docker" "start" "-a" "dc00519b5b4e9337bc103a78f404a2f7360dbd6ba16885dbdd535ebe6fec3cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc00519b5b4e9337bc103a78f404a2f7360dbd6ba16885dbdd535ebe6fec3cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc00519b5b4e9337bc103a78f404a2f7360dbd6ba16885dbdd535ebe6fec3cc2", kill_on_drop: false }`
[INFO] [stdout] dc00519b5b4e9337bc103a78f404a2f7360dbd6ba16885dbdd535ebe6fec3cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 402aed55d4f090e21d78020b744f6a99446ad4110d5e77b8532e4c1994617a49
[INFO] running `Command { std: "docker" "start" "-a" "402aed55d4f090e21d78020b744f6a99446ad4110d5e77b8532e4c1994617a49", kill_on_drop: false }`
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking advisory-lock v0.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking diskmap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "402aed55d4f090e21d78020b744f6a99446ad4110d5e77b8532e4c1994617a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402aed55d4f090e21d78020b744f6a99446ad4110d5e77b8532e4c1994617a49", kill_on_drop: false }`
[INFO] [stdout] 402aed55d4f090e21d78020b744f6a99446ad4110d5e77b8532e4c1994617a49
[INFO] checking diskmap-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate diskmap 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate diskmap 0.2.0 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 diskmap 0.2.0
[INFO] finished tweaking crates.io crate diskmap 0.2.0
[INFO] tweaked toml for crates.io crate diskmap 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b21b1ae87690abb0a250d60282aa9231c7c662c38c82d04e72cf733082d09ef
[INFO] running `Command { std: "docker" "start" "-a" "6b21b1ae87690abb0a250d60282aa9231c7c662c38c82d04e72cf733082d09ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b21b1ae87690abb0a250d60282aa9231c7c662c38c82d04e72cf733082d09ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b21b1ae87690abb0a250d60282aa9231c7c662c38c82d04e72cf733082d09ef", kill_on_drop: false }`
[INFO] [stdout] 6b21b1ae87690abb0a250d60282aa9231c7c662c38c82d04e72cf733082d09ef
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e818f4ea4edd911a6808b1ef7ffa4e709c85968aa0c287e7c81c9fa458f8155
[INFO] running `Command { std: "docker" "start" "-a" "3e818f4ea4edd911a6808b1ef7ffa4e709c85968aa0c287e7c81c9fa458f8155", kill_on_drop: false }`
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking advisory-lock v0.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking diskmap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:365:23
[INFO] [stdout]     |
[INFO] [stdout] 365 |         thread::spawn(move || loop {
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `spawn`
[INFO] [stdout]    --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]     |
[INFO] [stdout] 365 ~         thread::spawn(move || -> /* Type */ { loop {
[INFO] [stdout] 366 |             let keys = d1.get_keys().unwrap();
[INFO] [stdout]   ...
[INFO] [stdout] 370 |             });
[INFO] [stdout] 371 ~         } });
[INFO] [stdout]     |
[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 E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diskmap` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3e818f4ea4edd911a6808b1ef7ffa4e709c85968aa0c287e7c81c9fa458f8155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e818f4ea4edd911a6808b1ef7ffa4e709c85968aa0c287e7c81c9fa458f8155", kill_on_drop: false }`
[INFO] [stdout] 3e818f4ea4edd911a6808b1ef7ffa4e709c85968aa0c287e7c81c9fa458f8155