[INFO] fetching crate iz80 0.4.0...
[INFO] checking iz80-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate iz80 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate iz80 0.4.0 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 iz80 0.4.0
[INFO] finished tweaking crates.io crate iz80 0.4.0
[INFO] tweaked toml for crates.io crate iz80 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate iz80 0.4.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] abbb68ebcf4a81703132996a2eec20f0df79d4686b32d03a786ba7a67b571c3e
[INFO] running `Command { std: "docker" "start" "-a" "abbb68ebcf4a81703132996a2eec20f0df79d4686b32d03a786ba7a67b571c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abbb68ebcf4a81703132996a2eec20f0df79d4686b32d03a786ba7a67b571c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abbb68ebcf4a81703132996a2eec20f0df79d4686b32d03a786ba7a67b571c3e", kill_on_drop: false }`
[INFO] [stdout] abbb68ebcf4a81703132996a2eec20f0df79d4686b32d03a786ba7a67b571c3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b4e3b94368566aa3b9d44dc9f2031ed323fe24f91c1c11c65d8369f689aa3ba1
[INFO] running `Command { std: "docker" "start" "-a" "b4e3b94368566aa3b9d44dc9f2031ed323fe24f91c1c11c65d8369f689aa3ba1", kill_on_drop: false }`
[INFO] [stderr]     Checking iz80 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "b4e3b94368566aa3b9d44dc9f2031ed323fe24f91c1c11c65d8369f689aa3ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e3b94368566aa3b9d44dc9f2031ed323fe24f91c1c11c65d8369f689aa3ba1", kill_on_drop: false }`
[INFO] [stdout] b4e3b94368566aa3b9d44dc9f2031ed323fe24f91c1c11c65d8369f689aa3ba1
[INFO] checking iz80-0.4.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate iz80 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate iz80 0.4.0 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 iz80 0.4.0
[INFO] finished tweaking crates.io crate iz80 0.4.0
[INFO] tweaked toml for crates.io crate iz80 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate iz80 0.4.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1a29c0d6904716507518fd377f0865f8f50558548008fdcde9c29746404dffd0
[INFO] running `Command { std: "docker" "start" "-a" "1a29c0d6904716507518fd377f0865f8f50558548008fdcde9c29746404dffd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a29c0d6904716507518fd377f0865f8f50558548008fdcde9c29746404dffd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a29c0d6904716507518fd377f0865f8f50558548008fdcde9c29746404dffd0", kill_on_drop: false }`
[INFO] [stdout] 1a29c0d6904716507518fd377f0865f8f50558548008fdcde9c29746404dffd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bb99a3cb185f2f136b808592209e67dfa26df623f57a7ce5303128f1080931ee
[INFO] running `Command { std: "docker" "start" "-a" "bb99a3cb185f2f136b808592209e67dfa26df623f57a7ce5303128f1080931ee", kill_on_drop: false }`
[INFO] [stderr]     Checking iz80 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/bin/cpuville.rs:91:19
[INFO] [stdout]    |
[INFO] [stdout] 91 |     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] 91 ~     thread::spawn(move || -> /* Type */ { loop {
[INFO] [stdout] 92 |         let mut buffer = String::new();
[INFO] [stdout]  ...
[INFO] [stdout] 97 |         }
[INFO] [stdout] 98 ~     } });
[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 `iz80` (bin "cpuville" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bb99a3cb185f2f136b808592209e67dfa26df623f57a7ce5303128f1080931ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb99a3cb185f2f136b808592209e67dfa26df623f57a7ce5303128f1080931ee", kill_on_drop: false }`
[INFO] [stdout] bb99a3cb185f2f136b808592209e67dfa26df623f57a7ce5303128f1080931ee