[INFO] cloning repository https://github.com/runningcoders/easy_shell_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/runningcoders/easy_shell_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frunningcoders%2Feasy_shell_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frunningcoders%2Feasy_shell_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06205685d6130d6d88e1af7b9d1d41a5a4f9bfbc
[INFO] checking runningcoders/easy_shell_os against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frunningcoders%2Feasy_shell_os" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/runningcoders/easy_shell_os on toolchain 8ea250bdb76176ecb0225baa34aa634b024ae0e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/runningcoders/easy_shell_os
[INFO] finished tweaking git repo https://github.com/runningcoders/easy_shell_os
[INFO] tweaked toml for git repo https://github.com/runningcoders/easy_shell_os written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/runningcoders/easy_shell_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 177a223d54df413c2900f06f54fced9a4e0cb6d142c38a4ee2347c2ec4e9c120
[INFO] running `Command { std: "docker" "start" "-a" "177a223d54df413c2900f06f54fced9a4e0cb6d142c38a4ee2347c2ec4e9c120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "177a223d54df413c2900f06f54fced9a4e0cb6d142c38a4ee2347c2ec4e9c120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177a223d54df413c2900f06f54fced9a4e0cb6d142c38a4ee2347c2ec4e9c120", kill_on_drop: false }`
[INFO] [stdout] 177a223d54df413c2900f06f54fced9a4e0cb6d142c38a4ee2347c2ec4e9c120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58c6c897135dc7fcb53335a733b39e7e92d21da40e7c39bc7a1d4de3a2a0dc72
[INFO] running `Command { std: "docker" "start" "-a" "58c6c897135dc7fcb53335a733b39e7e92d21da40e7c39bc7a1d4de3a2a0dc72", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling tokio v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking tui v0.15.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling actix-macros v0.2.1
[INFO] [stderr]    Compiling actix_derive v0.6.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking actix-rt v2.2.0
[INFO] [stderr]     Checking actix v0.12.0
[INFO] [stderr]     Checking easy_shell_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id` and `name` are never read
[INFO] [stdout]  --> src/app/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct App<T> {
[INFO] [stdout]   |            --- fields in this struct
[INFO] [stdout] 8 |     id: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 9 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BBox` is never constructed
[INFO] [stdout]  --> src/app/element/bbox.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct BBox {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `name` are never read
[INFO] [stdout]  --> src/app/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct App<T> {
[INFO] [stdout]   |            --- fields in this struct
[INFO] [stdout] 8 |     id: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 9 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BBox` is never constructed
[INFO] [stdout]  --> src/app/element/bbox.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct BBox {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> examples/move_box.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0391]: cycle detected when type-checking `main`
[INFO] [stdout]   --> examples/move_box.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     task::spawn(async move {
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: ...which requires evaluating trait selection obligation `[generator interior@examples/move_box.rs:54:28: 83:6]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `main::{closure#0}::{closure#1}`...
[INFO] [stdout]   --> examples/move_box.rs:54:28
[INFO] [stdout]    |
[INFO] [stdout] 54 |       task::spawn(async move {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 55 | |         while let Some(ball) = rx.recv().await {
[INFO] [stdout] 56 | |             let start_time = SystemTime::now();
[INFO] [stdout] 57 | |             terminal.draw(|f| {
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |         }
[INFO] [stdout] 83 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires elaborating drops for `main::{closure#0}::{closure#1}`...
[INFO] [stdout]   --> examples/move_box.rs:54:28
[INFO] [stdout]    |
[INFO] [stdout] 54 |       task::spawn(async move {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 55 | |         while let Some(ball) = rx.recv().await {
[INFO] [stdout] 56 | |             let start_time = SystemTime::now();
[INFO] [stdout] 57 | |             terminal.draw(|f| {
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |         }
[INFO] [stdout] 83 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires borrow-checking `main::{closure#0}::{closure#1}`...
[INFO] [stdout]   --> examples/move_box.rs:54:28
[INFO] [stdout]    |
[INFO] [stdout] 54 |       task::spawn(async move {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 55 | |         while let Some(ball) = rx.recv().await {
[INFO] [stdout] 56 | |             let start_time = SystemTime::now();
[INFO] [stdout] 57 | |             terminal.draw(|f| {
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |         }
[INFO] [stdout] 83 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires processing `main::{closure#0}::{closure#1}`...
[INFO] [stdout]   --> examples/move_box.rs:54:28
[INFO] [stdout]    |
[INFO] [stdout] 54 |       task::spawn(async move {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 55 | |         while let Some(ball) = rx.recv().await {
[INFO] [stdout] 56 | |             let start_time = SystemTime::now();
[INFO] [stdout] 57 | |             terminal.draw(|f| {
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |         }
[INFO] [stdout] 83 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires processing MIR for `main::{closure#0}::{closure#1}`...
[INFO] [stdout]   --> examples/move_box.rs:54:28
[INFO] [stdout]    |
[INFO] [stdout] 54 |       task::spawn(async move {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 55 | |         while let Some(ball) = rx.recv().await {
[INFO] [stdout] 56 | |             let start_time = SystemTime::now();
[INFO] [stdout] 57 | |             terminal.draw(|f| {
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |         }
[INFO] [stdout] 83 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires unsafety-checking `main::{closure#0}::{closure#1}`...
[INFO] [stdout]   --> examples/move_box.rs:54:28
[INFO] [stdout]    |
[INFO] [stdout] 54 |       task::spawn(async move {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 55 | |         while let Some(ball) = rx.recv().await {
[INFO] [stdout] 56 | |             let start_time = SystemTime::now();
[INFO] [stdout] 57 | |             terminal.draw(|f| {
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |         }
[INFO] [stdout] 83 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires building MIR for `main::{closure#0}::{closure#1}`...
[INFO] [stdout]   --> examples/move_box.rs:54:28
[INFO] [stdout]    |
[INFO] [stdout] 54 |       task::spawn(async move {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 55 | |         while let Some(ball) = rx.recv().await {
[INFO] [stdout] 56 | |             let start_time = SystemTime::now();
[INFO] [stdout] 57 | |             terminal.draw(|f| {
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |         }
[INFO] [stdout] 83 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires type-checking `main::{closure#0}::{closure#1}`...
[INFO] [stdout]   --> examples/move_box.rs:54:28
[INFO] [stdout]    |
[INFO] [stdout] 54 |       task::spawn(async move {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 55 | |         while let Some(ball) = rx.recv().await {
[INFO] [stdout] 56 | |             let start_time = SystemTime::now();
[INFO] [stdout] 57 | |             terminal.draw(|f| {
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |         }
[INFO] [stdout] 83 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout]    = note: ...which again requires type-checking `main`, completing the cycle
[INFO] [stdout]    = note: cycle used when type-checking all item bodies
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0391`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `easy_shell_os` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "58c6c897135dc7fcb53335a733b39e7e92d21da40e7c39bc7a1d4de3a2a0dc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58c6c897135dc7fcb53335a733b39e7e92d21da40e7c39bc7a1d4de3a2a0dc72", kill_on_drop: false }`
[INFO] [stdout] 58c6c897135dc7fcb53335a733b39e7e92d21da40e7c39bc7a1d4de3a2a0dc72