[INFO] updating cached repository https://github.com/MuhammadGalimov/many_tasks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3827f8e8d334b117c051b5aba07fa912df75417d
[INFO] checking MuhammadGalimov/many_tasks/3827f8e8d334b117c051b5aba07fa912df75417d against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuhammadGalimov%2Fmany_tasks" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MuhammadGalimov/many_tasks on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MuhammadGalimov/many_tasks
[INFO] finished tweaking git repo https://github.com/MuhammadGalimov/many_tasks
[INFO] tweaked toml for git repo https://github.com/MuhammadGalimov/many_tasks written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MuhammadGalimov/many_tasks 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8be7479275d53e27a60f83b08ac75f8f279ec8724050f345265ab5bfc1ce4fd
[INFO] running `Command { std: "docker" "start" "-a" "b8be7479275d53e27a60f83b08ac75f8f279ec8724050f345265ab5bfc1ce4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8be7479275d53e27a60f83b08ac75f8f279ec8724050f345265ab5bfc1ce4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8be7479275d53e27a60f83b08ac75f8f279ec8724050f345265ab5bfc1ce4fd", kill_on_drop: false }`
[INFO] [stdout] b8be7479275d53e27a60f83b08ac75f8f279ec8724050f345265ab5bfc1ce4fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a6e102b0230e09a444e787dfff2c4ce942c39ee597e2dc4df78d88353f91389
[INFO] running `Command { std: "docker" "start" "-a" "9a6e102b0230e09a444e787dfff2c4ce942c39ee597e2dc4df78d88353f91389", kill_on_drop: false }`
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[INFO] [stderr]    Compiling glib-macros v0.10.1
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[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
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[INFO] [stderr]     Checking piet-common v0.3.2
[INFO] [stderr]     Checking druid-shell v0.7.0
[INFO] [stderr]     Checking druid v0.7.0
[INFO] [stderr]     Checking many_tasks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/state.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Button` and `List`
[INFO] [stdout]  --> src/main.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use druid::widget::{Flex, Label, TextBox, Button, List};
[INFO] [stdout]   |                                           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/state.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Button` and `List`
[INFO] [stdout]  --> src/main.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use druid::widget::{Flex, Label, TextBox, Button, List};
[INFO] [stdout]   |                                           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/state.rs:30:49
[INFO] [stdout]      |
[INFO] [stdout] 30   |             out.push_str(&serde_json::to_string(Rc::into_raw(task)).unwrap()[..]);
[INFO] [stdout]      |                           --------------------- ^^^^^^^^^^^^^^^^^^ expected `&_`, found `*const Task`
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           arguments to this function are incorrect
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected reference `&_`
[INFO] [stdout]               found raw pointer `*const Task`
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.78/src/ser.rs:2223:8
[INFO] [stdout]      |
[INFO] [stdout] 2223 | pub fn to_string<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]      |
[INFO] [stdout] 30   |             out.push_str(&serde_json::to_string(&Rc::into_raw(task)).unwrap()[..]);
[INFO] [stdout]      |                                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/state.rs:30:49
[INFO] [stdout]      |
[INFO] [stdout] 30   |             out.push_str(&serde_json::to_string(Rc::into_raw(task)).unwrap()[..]);
[INFO] [stdout]      |                           --------------------- ^^^^^^^^^^^^^^^^^^ expected `&_`, found `*const Task`
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           arguments to this function are incorrect
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected reference `&_`
[INFO] [stdout]               found raw pointer `*const Task`
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.78/src/ser.rs:2223:8
[INFO] [stdout]      |
[INFO] [stdout] 2223 | pub fn to_string<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]      |
[INFO] [stdout] 30   |             out.push_str(&serde_json::to_string(&Rc::into_raw(task)).unwrap()[..]);
[INFO] [stdout]      |                                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `many_tasks` (bin "many_tasks") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `many_tasks` (bin "many_tasks" test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9a6e102b0230e09a444e787dfff2c4ce942c39ee597e2dc4df78d88353f91389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6e102b0230e09a444e787dfff2c4ce942c39ee597e2dc4df78d88353f91389", kill_on_drop: false }`
[INFO] [stdout] 9a6e102b0230e09a444e787dfff2c4ce942c39ee597e2dc4df78d88353f91389