[INFO] cloning repository https://github.com/joel-simon/threaded_fastaq_ngrams
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joel-simon/threaded_fastaq_ngrams" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoel-simon%2Fthreaded_fastaq_ngrams", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoel-simon%2Fthreaded_fastaq_ngrams'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7641d92a28637de9ef43de48eee048f0e4863994
[INFO] checking joel-simon/threaded_fastaq_ngrams against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoel-simon%2Fthreaded_fastaq_ngrams" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joel-simon/threaded_fastaq_ngrams on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joel-simon/threaded_fastaq_ngrams
[INFO] finished tweaking git repo https://github.com/joel-simon/threaded_fastaq_ngrams
[INFO] tweaked toml for git repo https://github.com/joel-simon/threaded_fastaq_ngrams written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/joel-simon/threaded_fastaq_ngrams already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79d3e919efc9c5be1baca32c2f2cfee361e31cd0bb3462e76e35976c372fb8db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79d3e919efc9c5be1baca32c2f2cfee361e31cd0bb3462e76e35976c372fb8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79d3e919efc9c5be1baca32c2f2cfee361e31cd0bb3462e76e35976c372fb8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d3e919efc9c5be1baca32c2f2cfee361e31cd0bb3462e76e35976c372fb8db", kill_on_drop: false }`
[INFO] [stdout] 79d3e919efc9c5be1baca32c2f2cfee361e31cd0bb3462e76e35976c372fb8db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab4222bf22e92014ac95a55c1bbc8890454f4feea0fdb9ae08d13b2ddf144b22
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ab4222bf22e92014ac95a55c1bbc8890454f4feea0fdb9ae08d13b2ddf144b22", kill_on_drop: false }`
[INFO] [stderr]     Checking concurrent_ngrams v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]  --> src/main.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::old_io::File;
[INFO] [stdout]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]   --> src/main.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::old_io::BufferedReader;
[INFO] [stdout]    |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]  --> src/main.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::old_io::File;
[INFO] [stdout]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]   --> src/main.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::old_io::BufferedReader;
[INFO] [stdout]    |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> src/main.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |   let path = Path::new("/Users/joelsimon/Documents/Immufind/SequenceAnalysis/data/HD3_IgG1sorted_S1_L001_I1_001.fastq".to_string());
[INFO] [stdout]    |              ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SyncSender`
[INFO] [stdout]  --> src/main.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::{SyncSender, Sender, Receiver, channel};
[INFO] [stdout]   |                       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::os;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let channels: Vec<_> = ((0..num_threads).map(|i| {
[INFO] [stdout]    |  __________________________^
[INFO] [stdout] 19 | |     let (tx, rx): (Sender<Option<_>>, Receiver<Option<_>>) = channel();
[INFO] [stdout] 20 | |     Arc::new((Mutex::new(tx), Mutex::new(rx)))
[INFO] [stdout] 21 | |   }).collect());
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 |   let channels: Vec<_> = (0..num_threads).map(|i| {
[INFO] [stdout] 19 |     let (tx, rx): (Sender<Option<_>>, Receiver<Option<_>>) = channel();
[INFO] [stdout] 20 |     Arc::new((Mutex::new(tx), Mutex::new(rx)))
[INFO] [stdout] 21 |   }).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> src/main.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |   let path = Path::new("/Users/joelsimon/Documents/Immufind/SequenceAnalysis/data/HD3_IgG1sorted_S1_L001_I1_001.fastq".to_string());
[INFO] [stdout]    |              ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SyncSender`
[INFO] [stdout]  --> src/main.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::{SyncSender, Sender, Receiver, channel};
[INFO] [stdout]   |                       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::os;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let channels: Vec<_> = ((0..num_threads).map(|i| {
[INFO] [stdout]    |  __________________________^
[INFO] [stdout] 19 | |     let (tx, rx): (Sender<Option<_>>, Receiver<Option<_>>) = channel();
[INFO] [stdout] 20 | |     Arc::new((Mutex::new(tx), Mutex::new(rx)))
[INFO] [stdout] 21 | |   }).collect());
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 |   let channels: Vec<_> = (0..num_threads).map(|i| {
[INFO] [stdout] 19 |     let (tx, rx): (Sender<Option<_>>, Receiver<Option<_>>) = channel();
[INFO] [stdout] 20 |     Arc::new((Mutex::new(tx), Mutex::new(rx)))
[INFO] [stdout] 21 |   }).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `spawn` found for struct `Thread` in the current scope
[INFO] [stdout]   --> src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^ function or associated item not found in `Thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `spawn` found for struct `Thread` in the current scope
[INFO] [stdout]   --> src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^ function or associated item not found in `Thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concurrent_ngrams`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ab4222bf22e92014ac95a55c1bbc8890454f4feea0fdb9ae08d13b2ddf144b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4222bf22e92014ac95a55c1bbc8890454f4feea0fdb9ae08d13b2ddf144b22", kill_on_drop: false }`
[INFO] [stdout] ab4222bf22e92014ac95a55c1bbc8890454f4feea0fdb9ae08d13b2ddf144b22