[INFO] cloning repository https://github.com/knknkn1162/sutramaking-rustbyexample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knknkn1162/sutramaking-rustbyexample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknknkn1162%2Fsutramaking-rustbyexample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknknkn1162%2Fsutramaking-rustbyexample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed8d40cb169c0e4aa14295977e391d7d15d1a27c
[INFO] testing knknkn1162/sutramaking-rustbyexample against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknknkn1162%2Fsutramaking-rustbyexample" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knknkn1162/sutramaking-rustbyexample on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/knknkn1162/sutramaking-rustbyexample
[INFO] finished tweaking git repo https://github.com/knknkn1162/sutramaking-rustbyexample
[INFO] tweaked toml for git repo https://github.com/knknkn1162/sutramaking-rustbyexample written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/knknkn1162/sutramaking-rustbyexample 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing knknkn1162/sutramaking-rustbyexample against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknknkn1162%2Fsutramaking-rustbyexample" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knknkn1162/sutramaking-rustbyexample on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/knknkn1162/sutramaking-rustbyexample
[INFO] finished tweaking git repo https://github.com/knknkn1162/sutramaking-rustbyexample
[INFO] tweaked toml for git repo https://github.com/knknkn1162/sutramaking-rustbyexample written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/knknkn1162/sutramaking-rustbyexample 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" "+beta-2024-02-10" "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] testing knknkn1162/sutramaking-rustbyexample against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknknkn1162%2Fsutramaking-rustbyexample" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knknkn1162/sutramaking-rustbyexample on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/knknkn1162/sutramaking-rustbyexample
[INFO] finished tweaking git repo https://github.com/knknkn1162/sutramaking-rustbyexample
[INFO] tweaked toml for git repo https://github.com/knknkn1162/sutramaking-rustbyexample written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/knknkn1162/sutramaking-rustbyexample 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" "+beta-2024-02-10" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 141987a5ee8b1619cb0f1b97cede7fe672944250c9dd78d554c94d893822e54f
[INFO] running `Command { std: "docker" "start" "-a" "141987a5ee8b1619cb0f1b97cede7fe672944250c9dd78d554c94d893822e54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "141987a5ee8b1619cb0f1b97cede7fe672944250c9dd78d554c94d893822e54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141987a5ee8b1619cb0f1b97cede7fe672944250c9dd78d554c94d893822e54f", kill_on_drop: false }`
[INFO] [stdout] 141987a5ee8b1619cb0f1b97cede7fe672944250c9dd78d554c94d893822e54f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 353fd7a17f7062c5784782b13e339016403e1781e1552a5548c7dff1ffa648c0
[INFO] running `Command { std: "docker" "start" "-a" "353fd7a17f7062c5784782b13e339016403e1781e1552a5548c7dff1ffa648c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling official_docs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/misc/filesystem.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix`
[INFO] [stdout]  --> src/misc/filesystem.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::os::unix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/misc/open.rs:16:64
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Err(why) => panic!("couldn't read {}:{}", display, why.description()),
[INFO] [stdout]    |                                                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/misc/create.rs:20:69
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Err(why ) => panic!("couldn't create {} : {}", display, why.description()),
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/misc/create.rs:25:70
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(why) => panic!("couldn't write to {} : {}", display, why.description()),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/misc/pipes.rs:19:63
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(why) => panic!("couldn't read wc stdout: {}", why.description()),
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/misc/filesystem.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let res = f.read_to_string(&mut s)?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/misc/filesystem.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let res = OpenOptions::new().create(true).write(true).open(path)?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `NTHREADS` is never used
[INFO] [stdout]  --> src/misc/threads.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | static NTHREADS: i32 = 10;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/threads.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/map_reduce.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `NTHREADS` is never used
[INFO] [stdout]  --> src/misc/channels.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static NTHREADS: i32 = 3;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/channels.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/path.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/open.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `LOREM_IPSUM` is never used
[INFO] [stdout]  --> src/misc/create.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | static LOREM_IPSUM: &'static str =
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/misc/create.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn test() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PANGRAM` is never used
[INFO] [stdout]  --> src/misc/pipes.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static PANGRAM: &'static str =
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/pipes.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/wait.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cat` is never used
[INFO] [stdout]  --> src/misc/filesystem.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn cat(path: &Path)->io::Result<String> {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `echo` is never used
[INFO] [stdout]   --> src/misc/filesystem.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn echo(s: &str, path: &Path)-> io::Result<()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `touch` is never used
[INFO] [stdout]   --> src/misc/filesystem.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn touch(path: &Path) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/misc/args.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/types/into_from.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Number {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 5 |     value: i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/types/into_from.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn test() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "353fd7a17f7062c5784782b13e339016403e1781e1552a5548c7dff1ffa648c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "353fd7a17f7062c5784782b13e339016403e1781e1552a5548c7dff1ffa648c0", kill_on_drop: false }`
[INFO] [stdout] 353fd7a17f7062c5784782b13e339016403e1781e1552a5548c7dff1ffa648c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3206df2e3618760fc57f29c22245dcd87db257683d0e7a4f6c0b6e622a70c318
[INFO] running `Command { std: "docker" "start" "-a" "3206df2e3618760fc57f29c22245dcd87db257683d0e7a4f6c0b6e622a70c318", kill_on_drop: false }`
[INFO] [stderr]    Compiling official_docs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/misc/filesystem.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix`
[INFO] [stdout]  --> src/misc/filesystem.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::os::unix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/misc/open.rs:16:64
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Err(why) => panic!("couldn't read {}:{}", display, why.description()),
[INFO] [stdout]    |                                                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/misc/create.rs:20:69
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Err(why ) => panic!("couldn't create {} : {}", display, why.description()),
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/misc/create.rs:25:70
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(why) => panic!("couldn't write to {} : {}", display, why.description()),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/misc/pipes.rs:19:63
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(why) => panic!("couldn't read wc stdout: {}", why.description()),
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/misc/filesystem.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let res = f.read_to_string(&mut s)?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/misc/filesystem.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let res = OpenOptions::new().create(true).write(true).open(path)?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `NTHREADS` is never used
[INFO] [stdout]  --> src/misc/threads.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | static NTHREADS: i32 = 10;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/threads.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/map_reduce.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `NTHREADS` is never used
[INFO] [stdout]  --> src/misc/channels.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static NTHREADS: i32 = 3;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/channels.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/path.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/open.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `LOREM_IPSUM` is never used
[INFO] [stdout]  --> src/misc/create.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | static LOREM_IPSUM: &'static str =
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/misc/create.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn test() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PANGRAM` is never used
[INFO] [stdout]  --> src/misc/pipes.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static PANGRAM: &'static str =
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/pipes.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/misc/wait.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cat` is never used
[INFO] [stdout]  --> src/misc/filesystem.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn cat(path: &Path)->io::Result<String> {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `echo` is never used
[INFO] [stdout]   --> src/misc/filesystem.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn echo(s: &str, path: &Path)-> io::Result<()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `touch` is never used
[INFO] [stdout]   --> src/misc/filesystem.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn touch(path: &Path) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/misc/args.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/types/into_from.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Number {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 5 |     value: i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/types/into_from.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn test() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "3206df2e3618760fc57f29c22245dcd87db257683d0e7a4f6c0b6e622a70c318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3206df2e3618760fc57f29c22245dcd87db257683d0e7a4f6c0b6e622a70c318", kill_on_drop: false }`
[INFO] [stdout] 3206df2e3618760fc57f29c22245dcd87db257683d0e7a4f6c0b6e622a70c318
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d2858b3e8bbcae719b70e710cddd8f91d590b4258d37c84a35ceda19a78e395
[INFO] running `Command { std: "docker" "start" "-a" "2d2858b3e8bbcae719b70e710cddd8f91d590b4258d37c84a35ceda19a78e395", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/misc/filesystem.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix`
[INFO] [stderr]  --> src/misc/filesystem.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::os::unix;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/misc/open.rs:16:64
[INFO] [stderr]    |
[INFO] [stderr] 16 |         Err(why) => panic!("couldn't read {}:{}", display, why.description()),
[INFO] [stderr]    |                                                                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/misc/create.rs:20:69
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Err(why ) => panic!("couldn't create {} : {}", display, why.description()),
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/misc/create.rs:25:70
[INFO] [stderr]    |
[INFO] [stderr] 25 |         Err(why) => panic!("couldn't write to {} : {}", display, why.description()),
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/misc/pipes.rs:19:63
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Err(why) => panic!("couldn't read wc stdout: {}", why.description()),
[INFO] [stderr]    |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/misc/filesystem.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let res = f.read_to_string(&mut s)?;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/misc/filesystem.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let res = OpenOptions::new().create(true).write(true).open(path)?;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: static `NTHREADS` is never used
[INFO] [stderr]  --> src/misc/threads.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | static NTHREADS: i32 = 10;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]  --> src/misc/threads.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn test() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]  --> src/misc/map_reduce.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn test() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `NTHREADS` is never used
[INFO] [stderr]  --> src/misc/channels.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | static NTHREADS: i32 = 3;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]  --> src/misc/channels.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn test() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]  --> src/misc/path.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn test() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]  --> src/misc/open.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn test() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `LOREM_IPSUM` is never used
[INFO] [stderr]  --> src/misc/create.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | static LOREM_IPSUM: &'static str =
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]   --> src/misc/create.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn test() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `PANGRAM` is never used
[INFO] [stderr]  --> src/misc/pipes.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | static PANGRAM: &'static str =
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]  --> src/misc/pipes.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn test() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]  --> src/misc/wait.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn test() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cat` is never used
[INFO] [stderr]  --> src/misc/filesystem.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn cat(path: &Path)->io::Result<String> {
[INFO] [stderr]   |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `echo` is never used
[INFO] [stderr]   --> src/misc/filesystem.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn echo(s: &str, path: &Path)-> io::Result<()> {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `touch` is never used
[INFO] [stderr]   --> src/misc/filesystem.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn touch(path: &Path) -> io::Result<()> {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/misc/args.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]  --> src/types/into_from.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Number {
[INFO] [stderr]   |        ------ field in this struct
[INFO] [stderr] 5 |     value: i32,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]   --> src/types/into_from.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn test() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `official_docs` (bin "official_docs" test) generated 26 warnings (run `cargo fix --bin "official_docs" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/official_docs-84cf4d32484d2c5a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d2858b3e8bbcae719b70e710cddd8f91d590b4258d37c84a35ceda19a78e395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2858b3e8bbcae719b70e710cddd8f91d590b4258d37c84a35ceda19a78e395", kill_on_drop: false }`
[INFO] [stdout] 2d2858b3e8bbcae719b70e710cddd8f91d590b4258d37c84a35ceda19a78e395
