[INFO] cloning repository https://github.com/nuts-n-bits/rustran
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nuts-n-bits/rustran" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnuts-n-bits%2Frustran", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnuts-n-bits%2Frustran'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 528bf63c6d3e76a168bcd2e5ad7412ae64695512
[INFO] checking nuts-n-bits/rustran against try#b66808126f24f2f30898306a881e1676824ea80c for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnuts-n-bits%2Frustran" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nuts-n-bits/rustran
[INFO] finished tweaking git repo https://github.com/nuts-n-bits/rustran
[INFO] tweaked toml for git repo https://github.com/nuts-n-bits/rustran written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nuts-n-bits/rustran on toolchain b66808126f24f2f30898306a881e1676824ea80c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nuts-n-bits/rustran 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" "+b66808126f24f2f30898306a881e1676824ea80c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking nuts-n-bits/rustran against try#b66808126f24f2f30898306a881e1676824ea80c for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnuts-n-bits%2Frustran" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nuts-n-bits/rustran
[INFO] finished tweaking git repo https://github.com/nuts-n-bits/rustran
[INFO] tweaked toml for git repo https://github.com/nuts-n-bits/rustran written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nuts-n-bits/rustran on toolchain b66808126f24f2f30898306a881e1676824ea80c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nuts-n-bits/rustran 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" "+b66808126f24f2f30898306a881e1676824ea80c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 90f0b56a4c7db4beb41aaa911b74d3e7905566dc71c3c49a77e716c3714a73d6
[INFO] running `Command { std: "docker" "start" "90f0b56a4c7db4beb41aaa911b74d3e7905566dc71c3c49a77e716c3714a73d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90f0b56a4c7db4beb41aaa911b74d3e7905566dc71c3c49a77e716c3714a73d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "90f0b56a4c7db4beb41aaa911b74d3e7905566dc71c3c49a77e716c3714a73d6" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90f0b56a4c7db4beb41aaa911b74d3e7905566dc71c3c49a77e716c3714a73d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "90f0b56a4c7db4beb41aaa911b74d3e7905566dc71c3c49a77e716c3714a73d6" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]     Checking bytes v1.8.0
[INFO] [stderr]     Checking cpufeatures v0.2.16
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.41.1
[INFO] [stderr]     Checking rust-async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `langbench_sort_opti`
[INFO] [stdout]  --> src/langbench_sort/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod langbench_sort_opti;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `langbench_sort_opti`, create file "src/langbench_sort/langbench_sort_opti.rs" or "src/langbench_sort/langbench_sort_opti/mod.rs"
[INFO] [stdout]   = note: if there is a `mod langbench_sort_opti` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `langbench_sort_opti`
[INFO] [stdout]  --> src/langbench_sort/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod langbench_sort_opti;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `langbench_sort_opti`, create file "src/langbench_sort/langbench_sort_opti.rs" or "src/langbench_sort/langbench_sort_opti/mod.rs"
[INFO] [stdout]   = note: if there is a `mod langbench_sort_opti` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task::JoinSet`
[INFO] [stdout]  --> src/langbench_sudoku/sudoku.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::task::JoinSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs::File`, `os::unix::io::FromRawFd`, and `self`
[INFO] [stdout]   --> src/main.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 |     fs::File,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     io::{self, Write},
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 10 |     os::unix::io::FromRawFd,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task::JoinSet`
[INFO] [stdout]  --> src/langbench_sudoku/sudoku.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::task::JoinSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs::File`, `os::unix::io::FromRawFd`, and `self`
[INFO] [stdout]   --> src/main.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 |     fs::File,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     io::{self, Write},
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 10 |     os::unix::io::FromRawFd,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     io::{self, Write},
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `lo_old` is never read
[INFO] [stdout]   --> src/langbench_sort/langbench_sort.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut lo_old = 0;
[INFO] [stdout]    |                          ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 15 |             lo_old = lo2;
[INFO] [stdout]    |             ------------ `lo_old` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/langbench_sort/langbench_sort.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 77 |     for i in 0..(n-1) {// for i := 0; i < n - 1; i++ {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/langbench_sort/langbench_sort.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     for i in 0..n {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/langbench_sudoku/sudoku.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let (sender, receiver) = std::sync::mpsc::channel::<Board>();
[INFO] [stdout]     |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]    --> src/langbench_sudoku/sudoku.rs:129:18
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let (sender, receiver) = std::sync::mpsc::channel::<Board>();
[INFO] [stdout]     |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `buf` is never read
[INFO] [stdout]   --> src/main.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut buf = [0u8; 1024];
[INFO] [stdout]    |                   ^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 43 |     loop {
[INFO] [stdout] 44 |         buf = [0u8; 1024];
[INFO] [stdout]    |         ----------------- `buf` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write`
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let write = stream.write("afrwahgreggreshtrshtrhtrdhtrdhtrhthtresdgtrhtrdhtrsh".as_bytes());
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-async` (bin "rust-async") due to 1 previous error; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     io::{self, Write},
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `lo_old` is never read
[INFO] [stdout]   --> src/langbench_sort/langbench_sort.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut lo_old = 0;
[INFO] [stdout]    |                          ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 15 |             lo_old = lo2;
[INFO] [stdout]    |             ------------ `lo_old` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/langbench_sort/langbench_sort.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 77 |     for i in 0..(n-1) {// for i := 0; i < n - 1; i++ {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/langbench_sort/langbench_sort.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     for i in 0..n {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/langbench_sudoku/sudoku.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let (sender, receiver) = std::sync::mpsc::channel::<Board>();
[INFO] [stdout]     |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]    --> src/langbench_sudoku/sudoku.rs:129:18
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let (sender, receiver) = std::sync::mpsc::channel::<Board>();
[INFO] [stdout]     |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `buf` is never read
[INFO] [stdout]   --> src/main.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut buf = [0u8; 1024];
[INFO] [stdout]    |                   ^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 43 |     loop {
[INFO] [stdout] 44 |         buf = [0u8; 1024];
[INFO] [stdout]    |         ----------------- `buf` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write`
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let write = stream.write("afrwahgreggreshtrshtrhtrdhtrdhtrhthtresdgtrhtrdhtrsh".as_bytes());
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-async` (bin "rust-async" test) due to 1 previous error; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "90f0b56a4c7db4beb41aaa911b74d3e7905566dc71c3c49a77e716c3714a73d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90f0b56a4c7db4beb41aaa911b74d3e7905566dc71c3c49a77e716c3714a73d6", kill_on_drop: false }`
[INFO] [stdout] 90f0b56a4c7db4beb41aaa911b74d3e7905566dc71c3c49a77e716c3714a73d6
