[INFO] cloning repository https://github.com/justinmoon/hello-druid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinmoon/hello-druid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinmoon%2Fhello-druid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinmoon%2Fhello-druid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fe454ae157b004991db23a268f75f3e8fe2a367
[INFO] checking justinmoon/hello-druid against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinmoon%2Fhello-druid" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinmoon/hello-druid 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/justinmoon/hello-druid
[INFO] finished tweaking git repo https://github.com/justinmoon/hello-druid
[INFO] tweaked toml for git repo https://github.com/justinmoon/hello-druid written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/justinmoon/hello-druid 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] b09d95bf944197233c792340bdb02b0dded9c66453da30d81a75fb205c9bce1f
[INFO] running `Command { std: "docker" "start" "-a" "b09d95bf944197233c792340bdb02b0dded9c66453da30d81a75fb205c9bce1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b09d95bf944197233c792340bdb02b0dded9c66453da30d81a75fb205c9bce1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09d95bf944197233c792340bdb02b0dded9c66453da30d81a75fb205c9bce1f", kill_on_drop: false }`
[INFO] [stdout] b09d95bf944197233c792340bdb02b0dded9c66453da30d81a75fb205c9bce1f
[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] c65f387a5cc1f8f8e908e07b7b537e057c7ed5a98c320d82ed742e3e1079b724
[INFO] running `Command { std: "docker" "start" "-a" "c65f387a5cc1f8f8e908e07b7b537e057c7ed5a98c320d82ed742e3e1079b724", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tinystr v0.3.2
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking unic-langid-impl v0.9.0
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unic-langid v0.9.0
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fluent-langneg v0.13.0
[INFO] [stderr]     Checking intl_pluralrules v7.0.0
[INFO] [stderr]     Checking kurbo v0.6.2
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking type-map v0.3.0
[INFO] [stderr]     Checking fluent-syntax v0.9.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking intl-memoizer v0.5.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking piet v0.1.0
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling druid-derive v0.3.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.9.3
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking fluent-bundle v0.12.0
[INFO] [stderr]     Checking piet-cairo v0.1.0
[INFO] [stderr]     Checking piet-common v0.1.1
[INFO] [stderr]     Checking druid-shell v0.6.0
[INFO] [stderr]     Checking druid v0.6.0
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.76s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fluent-bundle v0.12.0, rental v0.5.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "c65f387a5cc1f8f8e908e07b7b537e057c7ed5a98c320d82ed742e3e1079b724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65f387a5cc1f8f8e908e07b7b537e057c7ed5a98c320d82ed742e3e1079b724", kill_on_drop: false }`
[INFO] [stdout] c65f387a5cc1f8f8e908e07b7b537e057c7ed5a98c320d82ed742e3e1079b724
[INFO] checking justinmoon/hello-druid against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinmoon%2Fhello-druid" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinmoon/hello-druid 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/justinmoon/hello-druid
[INFO] finished tweaking git repo https://github.com/justinmoon/hello-druid
[INFO] tweaked toml for git repo https://github.com/justinmoon/hello-druid written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/justinmoon/hello-druid 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] 566fa9d62ec7dcd7f67890e7959c81b6546df2994daccc345e4771a62f2ce34e
[INFO] running `Command { std: "docker" "start" "-a" "566fa9d62ec7dcd7f67890e7959c81b6546df2994daccc345e4771a62f2ce34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "566fa9d62ec7dcd7f67890e7959c81b6546df2994daccc345e4771a62f2ce34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566fa9d62ec7dcd7f67890e7959c81b6546df2994daccc345e4771a62f2ce34e", kill_on_drop: false }`
[INFO] [stdout] 566fa9d62ec7dcd7f67890e7959c81b6546df2994daccc345e4771a62f2ce34e
[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] f0e8669b2d16d79a9de664247e975321521686067f7037c64143cf574c71ab95
[INFO] running `Command { std: "docker" "start" "-a" "f0e8669b2d16d79a9de664247e975321521686067f7037c64143cf574c71ab95", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tinystr v0.3.2
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking unic-langid-impl v0.9.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking unic-langid v0.9.0
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]     Checking kurbo v0.6.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking intl_pluralrules v7.0.0
[INFO] [stderr]     Checking fluent-langneg v0.13.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking fluent-syntax v0.9.3
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking type-map v0.3.0
[INFO] [stderr]     Checking piet v0.1.0
[INFO] [stderr]     Checking intl-memoizer v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling druid-derive v0.3.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.9.3
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking fluent-bundle v0.12.0
[INFO] [stderr]     Checking piet-cairo v0.1.0
[INFO] [stderr]     Checking piet-common v0.1.1
[INFO] [stderr]     Checking druid-shell v0.6.0
[INFO] [stderr]     Checking druid v0.6.0
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |     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] 67 |     thread::spawn(move || -> /* Type */ {
[INFO] [stdout]    |                           +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |     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] 67 |     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] [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 `hello` (bin "hello") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hello` (bin "hello" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f0e8669b2d16d79a9de664247e975321521686067f7037c64143cf574c71ab95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e8669b2d16d79a9de664247e975321521686067f7037c64143cf574c71ab95", kill_on_drop: false }`
[INFO] [stdout] f0e8669b2d16d79a9de664247e975321521686067f7037c64143cf574c71ab95