[INFO] cloning repository https://github.com/Xsuto/uni_langs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xsuto/uni_langs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXsuto%2Funi_langs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXsuto%2Funi_langs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffdebb4b794659f46bec5e6689b29ba46a92e6e3
[INFO] checking Xsuto/uni_langs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXsuto%2Funi_langs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xsuto/uni_langs 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/Xsuto/uni_langs
[INFO] finished tweaking git repo https://github.com/Xsuto/uni_langs
[INFO] tweaked toml for git repo https://github.com/Xsuto/uni_langs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Xsuto/uni_langs 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a4957416da6e745fd47b6c20e12fb90b0f6cd4cdd5f96621e7530f2709ea6980
[INFO] running `Command { std: "docker" "start" "-a" "a4957416da6e745fd47b6c20e12fb90b0f6cd4cdd5f96621e7530f2709ea6980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4957416da6e745fd47b6c20e12fb90b0f6cd4cdd5f96621e7530f2709ea6980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4957416da6e745fd47b6c20e12fb90b0f6cd4cdd5f96621e7530f2709ea6980", kill_on_drop: false }`
[INFO] [stdout] a4957416da6e745fd47b6c20e12fb90b0f6cd4cdd5f96621e7530f2709ea6980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1104eb11fddda48a2052d506df58c2ae48a224de6c975a147bdebd712bd96bca
[INFO] running `Command { std: "docker" "start" "-a" "1104eb11fddda48a2052d506df58c2ae48a224de6c975a147bdebd712bd96bca", kill_on_drop: false }`
[INFO] [stderr]     Checking uni_langs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/main.rs:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 if time.lock().unwrap().elapsed() >= Duration::from_mins(allowed_idle_time_in_mins) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `FromMins::from_mins(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(duration_constructors)]` to the crate attributes to enable `Duration::from_mins`
[INFO] [stdout]    |
[INFO] [stdout] 1  + #![feature(duration_constructors)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/main.rs:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 if time.lock().unwrap().elapsed() >= Duration::from_mins(allowed_idle_time_in_mins) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `FromMins::from_mins(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(duration_constructors)]` to the crate attributes to enable `Duration::from_mins`
[INFO] [stdout]    |
[INFO] [stdout] 1  + #![feature(duration_constructors)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "1104eb11fddda48a2052d506df58c2ae48a224de6c975a147bdebd712bd96bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1104eb11fddda48a2052d506df58c2ae48a224de6c975a147bdebd712bd96bca", kill_on_drop: false }`
[INFO] [stdout] 1104eb11fddda48a2052d506df58c2ae48a224de6c975a147bdebd712bd96bca
[INFO] checking Xsuto/uni_langs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXsuto%2Funi_langs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xsuto/uni_langs 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/Xsuto/uni_langs
[INFO] finished tweaking git repo https://github.com/Xsuto/uni_langs
[INFO] tweaked toml for git repo https://github.com/Xsuto/uni_langs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Xsuto/uni_langs 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d46785f064ac94dd7da6d9d7885fb6b6c838b2be7e2568e3ed2bf1d5a9ab5855
[INFO] running `Command { std: "docker" "start" "-a" "d46785f064ac94dd7da6d9d7885fb6b6c838b2be7e2568e3ed2bf1d5a9ab5855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d46785f064ac94dd7da6d9d7885fb6b6c838b2be7e2568e3ed2bf1d5a9ab5855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46785f064ac94dd7da6d9d7885fb6b6c838b2be7e2568e3ed2bf1d5a9ab5855", kill_on_drop: false }`
[INFO] [stdout] d46785f064ac94dd7da6d9d7885fb6b6c838b2be7e2568e3ed2bf1d5a9ab5855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7e7d35132a3266f109c93e838dddef3ab99d6ecae48ad7b56acb01d75ed07703
[INFO] running `Command { std: "docker" "start" "-a" "7e7d35132a3266f109c93e838dddef3ab99d6ecae48ad7b56acb01d75ed07703", kill_on_drop: false }`
[INFO] [stderr]     Checking uni_langs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/main.rs:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 if time.lock().unwrap().elapsed() >= Duration::from_mins(allowed_idle_time_in_mins) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `FromMins::from_mins(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(duration_constructors)]` to the crate attributes to enable `Duration::from_mins`
[INFO] [stdout]    |
[INFO] [stdout] 1  + #![feature(duration_constructors)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/main.rs:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 if time.lock().unwrap().elapsed() >= Duration::from_mins(allowed_idle_time_in_mins) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `FromMins::from_mins(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(duration_constructors)]` to the crate attributes to enable `Duration::from_mins`
[INFO] [stdout]    |
[INFO] [stdout] 1  + #![feature(duration_constructors)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 |         std::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] 31 |         std::thread::spawn(move || -> /* Type */ {
[INFO] [stdout]    |                                    +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 |         std::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] 31 |         std::thread::spawn(move || -> /* Type */ {
[INFO] [stdout]    |                                    +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uni_langs` (bin "uni_langs") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `uni_langs` (bin "uni_langs" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7e7d35132a3266f109c93e838dddef3ab99d6ecae48ad7b56acb01d75ed07703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7d35132a3266f109c93e838dddef3ab99d6ecae48ad7b56acb01d75ed07703", kill_on_drop: false }`
[INFO] [stdout] 7e7d35132a3266f109c93e838dddef3ab99d6ecae48ad7b56acb01d75ed07703