[INFO] updating cached repository https://github.com/Kelossus/utilities
[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] 5b38bb3bcd7d8f22edeac28fcef1362200fe49e0
[INFO] testing Kelossus/utilities against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelossus%2Futilities" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kelossus/utilities on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kelossus/utilities
[INFO] finished tweaking git repo https://github.com/Kelossus/utilities
[INFO] tweaked toml for git repo https://github.com/Kelossus/utilities written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Kelossus/utilities already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-8/source/src/util.rs` was erroneously implicitly accepted for library `util`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 778141ee480c3ca98b659b74a0bbed760d93246f1ec9321cfebbf1a3959feb05
[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" "778141ee480c3ca98b659b74a0bbed760d93246f1ec9321cfebbf1a3959feb05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "778141ee480c3ca98b659b74a0bbed760d93246f1ec9321cfebbf1a3959feb05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778141ee480c3ca98b659b74a0bbed760d93246f1ec9321cfebbf1a3959feb05", kill_on_drop: false }`
[INFO] [stdout] 778141ee480c3ca98b659b74a0bbed760d93246f1ec9321cfebbf1a3959feb05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e945b68436a530b7ccbfea29aa8f9824966534877bb244b15d1b704143031ba
[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" "8e945b68436a530b7ccbfea29aa8f9824966534877bb244b15d1b704143031ba", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/util.rs` was erroneously implicitly accepted for library `util`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]    Compiling utilities v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/util.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         thread::sleep_ms(timeout);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/util.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut pattern: Vec<char> =  pattern.chars().collect();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]   --> src/util.rs:21:55
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub extern fn read_line_with_timeout(timeout: u32) -> String {
[INFO] [stdout]    |                                                       ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]   --> src/util.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern fn KMP_shifts(pattern: String) -> Vec<i32> {
[INFO] [stdout]    |                               ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::vec::Vec<i32>`, which is not FFI-safe
[INFO] [stdout]   --> src/util.rs:71:42
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern fn KMP_shifts(pattern: String) -> Vec<i32> {
[INFO] [stdout]    |                                          ^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "8e945b68436a530b7ccbfea29aa8f9824966534877bb244b15d1b704143031ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e945b68436a530b7ccbfea29aa8f9824966534877bb244b15d1b704143031ba", kill_on_drop: false }`
[INFO] [stdout] 8e945b68436a530b7ccbfea29aa8f9824966534877bb244b15d1b704143031ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e168402c35c72834647a81f7f516ee9896c952fae84821cd4ee2a1d32a419078
[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" "e168402c35c72834647a81f7f516ee9896c952fae84821cd4ee2a1d32a419078", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/util.rs` was erroneously implicitly accepted for library `util`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/util.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         thread::sleep_ms(timeout);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling utilities v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/util.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut pattern: Vec<char> =  pattern.chars().collect();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]   --> src/util.rs:21:55
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub extern fn read_line_with_timeout(timeout: u32) -> String {
[INFO] [stdout]    |                                                       ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]   --> src/util.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern fn KMP_shifts(pattern: String) -> Vec<i32> {
[INFO] [stdout]    |                               ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::vec::Vec<i32>`, which is not FFI-safe
[INFO] [stdout]   --> src/util.rs:71:42
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern fn KMP_shifts(pattern: String) -> Vec<i32> {
[INFO] [stdout]    |                                          ^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `KMP_shifts` in this scope
[INFO] [stdout]   --> tests/tests.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let a = KMP_shifts("aaabaaooaafsjmskjaakka a".to_string());
[INFO] [stdout]    |             ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/util.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         thread::sleep_ms(timeout);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `utilities`.
[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] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/util.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut pattern: Vec<char> =  pattern.chars().collect();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]   --> src/util.rs:21:55
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub extern fn read_line_with_timeout(timeout: u32) -> String {
[INFO] [stdout]    |                                                       ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]   --> src/util.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern fn KMP_shifts(pattern: String) -> Vec<i32> {
[INFO] [stdout]    |                               ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::vec::Vec<i32>`, which is not FFI-safe
[INFO] [stdout]   --> src/util.rs:71:42
[INFO] [stdout]    |
[INFO] [stdout] 71 | extern fn KMP_shifts(pattern: String) -> Vec<i32> {
[INFO] [stdout]    |                                          ^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e168402c35c72834647a81f7f516ee9896c952fae84821cd4ee2a1d32a419078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e168402c35c72834647a81f7f516ee9896c952fae84821cd4ee2a1d32a419078", kill_on_drop: false }`
[INFO] [stdout] e168402c35c72834647a81f7f516ee9896c952fae84821cd4ee2a1d32a419078