[INFO] cloning repository https://github.com/proydakov/rustzone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/proydakov/rustzone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproydakov%2Frustzone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproydakov%2Frustzone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8ed63cd2cc53496fa1d9f7ed4ab9a16955cfedb
[INFO] checking proydakov/rustzone against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproydakov%2Frustzone" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/proydakov/rustzone 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 git repo https://github.com/proydakov/rustzone
[INFO] finished tweaking git repo https://github.com/proydakov/rustzone
[INFO] tweaked toml for git repo https://github.com/proydakov/rustzone written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/proydakov/rustzone 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-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] 00f0e0e1f8eabbbbb70058de97ba3d00136e132cf3ad125c97ef3e88586e4672
[INFO] running `Command { std: "docker" "start" "-a" "00f0e0e1f8eabbbbb70058de97ba3d00136e132cf3ad125c97ef3e88586e4672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00f0e0e1f8eabbbbb70058de97ba3d00136e132cf3ad125c97ef3e88586e4672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00f0e0e1f8eabbbbb70058de97ba3d00136e132cf3ad125c97ef3e88586e4672", kill_on_drop: false }`
[INFO] [stdout] 00f0e0e1f8eabbbbb70058de97ba3d00136e132cf3ad125c97ef3e88586e4672
[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] c42187822f0a188ceb85d847f1db55242529e8a305a38f045320006bcd265156
[INFO] running `Command { std: "docker" "start" "-a" "c42187822f0a188ceb85d847f1db55242529e8a305a38f045320006bcd265156", kill_on_drop: false }`
[INFO] [stderr]     Checking rustzone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "c42187822f0a188ceb85d847f1db55242529e8a305a38f045320006bcd265156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c42187822f0a188ceb85d847f1db55242529e8a305a38f045320006bcd265156", kill_on_drop: false }`
[INFO] [stdout] c42187822f0a188ceb85d847f1db55242529e8a305a38f045320006bcd265156
[INFO] checking proydakov/rustzone against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproydakov%2Frustzone" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/proydakov/rustzone 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 git repo https://github.com/proydakov/rustzone
[INFO] finished tweaking git repo https://github.com/proydakov/rustzone
[INFO] tweaked toml for git repo https://github.com/proydakov/rustzone written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/proydakov/rustzone 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-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] cab3000456f3d3cbab66712b6e645dd81a2a41463a422459d17e5edf9959420e
[INFO] running `Command { std: "docker" "start" "-a" "cab3000456f3d3cbab66712b6e645dd81a2a41463a422459d17e5edf9959420e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cab3000456f3d3cbab66712b6e645dd81a2a41463a422459d17e5edf9959420e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab3000456f3d3cbab66712b6e645dd81a2a41463a422459d17e5edf9959420e", kill_on_drop: false }`
[INFO] [stdout] cab3000456f3d3cbab66712b6e645dd81a2a41463a422459d17e5edf9959420e
[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] cc6b4156e0840a03affc44b458318069cdefcf0a6cc5f62d4dac1a09ef247a48
[INFO] running `Command { std: "docker" "start" "-a" "cc6b4156e0840a03affc44b458318069cdefcf0a6cc5f62d4dac1a09ef247a48", kill_on_drop: false }`
[INFO] [stderr]     Checking rustzone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed for `Result<JoinHandle<T>, std::io::Error>`
[INFO] [stdout]  --> src/threadtest.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _ = thread::Builder::new().name("child1".to_string()).spawn(move || {
[INFO] [stdout]   |         ^                                                     ----- type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout]   = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `Builder::spawn`
[INFO] [stdout]  --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:381:5
[INFO] [stdout] help: consider giving this pattern a type, where the type for type parameter `T` is specified
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _: Result<JoinHandle<T>, std::io::Error> = thread::Builder::new().name("child1".to_string()).spawn(move || {
[INFO] [stdout]   |          +++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed for `Result<JoinHandle<T>, std::io::Error>`
[INFO] [stdout]  --> src/threadtest.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _ = thread::Builder::new().name("child1".to_string()).spawn(move || {
[INFO] [stdout]   |         ^                                                     ----- type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout]   = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `Builder::spawn`
[INFO] [stdout]  --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:381:5
[INFO] [stdout] help: consider giving this pattern a type, where the type for type parameter `T` is specified
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _: Result<JoinHandle<T>, std::io::Error> = thread::Builder::new().name("child1".to_string()).spawn(move || {
[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] [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] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/threadpanic.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     thread::spawn(move || {
[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] 18 |     thread::spawn(move || -> /* Type */ {
[INFO] [stdout]    |                           +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/threadpanic.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     thread::spawn(move || {
[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] 18 |     thread::spawn(move || -> /* Type */ {
[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 `rustzone` (bin "threadtest") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rustzone` (bin "threadtest" test) due to 2 previous errors
[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 `rustzone` (bin "threadpanic") due to 2 previous errors
[INFO] [stderr] error: could not compile `rustzone` (bin "threadpanic" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "cc6b4156e0840a03affc44b458318069cdefcf0a6cc5f62d4dac1a09ef247a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6b4156e0840a03affc44b458318069cdefcf0a6cc5f62d4dac1a09ef247a48", kill_on_drop: false }`
[INFO] [stdout] cc6b4156e0840a03affc44b458318069cdefcf0a6cc5f62d4dac1a09ef247a48