[INFO] cloning repository https://github.com/jakubadamw/grep-searcher-fuzz-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakubadamw/grep-searcher-fuzz-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubadamw%2Fgrep-searcher-fuzz-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubadamw%2Fgrep-searcher-fuzz-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43c0955bd854ac5008ca78e369e28d0acf074508
[INFO] checking jakubadamw/grep-searcher-fuzz-test against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubadamw%2Fgrep-searcher-fuzz-test" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakubadamw/grep-searcher-fuzz-test on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakubadamw/grep-searcher-fuzz-test
[INFO] removed path dependency grep-matcher from git repo https://github.com/jakubadamw/grep-searcher-fuzz-test
[INFO] removed path dependency grep-regex from git repo https://github.com/jakubadamw/grep-searcher-fuzz-test
[INFO] removed path dependency grep-searcher from git repo https://github.com/jakubadamw/grep-searcher-fuzz-test
[INFO] finished tweaking git repo https://github.com/jakubadamw/grep-searcher-fuzz-test
[INFO] tweaked toml for git repo https://github.com/jakubadamw/grep-searcher-fuzz-test written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jakubadamw/grep-searcher-fuzz-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (grep-matcher) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (grep-regex) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (grep-searcher) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (grep-matcher) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (grep-regex) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (grep-searcher) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ce10be8ba6744da5e14d19ce37f747dfe84a343a35360caed8f011a59b6da6d
[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" "2ce10be8ba6744da5e14d19ce37f747dfe84a343a35360caed8f011a59b6da6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce10be8ba6744da5e14d19ce37f747dfe84a343a35360caed8f011a59b6da6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce10be8ba6744da5e14d19ce37f747dfe84a343a35360caed8f011a59b6da6d", kill_on_drop: false }`
[INFO] [stdout] 2ce10be8ba6744da5e14d19ce37f747dfe84a343a35360caed8f011a59b6da6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 096b7dfd4dee00305b16ab828e4921df5966cffede2db7653c3182c7f534fd8c
[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" "096b7dfd4dee00305b16ab828e4921df5966cffede2db7653c3182c7f534fd8c", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (grep-matcher) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (grep-regex) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (grep-searcher) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling honggfuzz v0.5.51
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking arbitrary v0.4.6
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking grep-matcher v0.1.4
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking grep-regex v0.1.8
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking bufrng v1.0.2
[INFO] [stderr]     Checking better-panic v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking grep-searcher v0.1.7
[INFO] [stderr]     Checking regex_generate v0.2.1
[INFO] [stderr]     Checking rg-searcher-fuzz-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `arbitrary::FiniteBuffer`
[INFO] [stdout]   --> src/main.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use arbitrary::{Arbitrary, FiniteBuffer};
[INFO] [stdout]    |                                ^^^^^^^^^^^^ no `FiniteBuffer` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `arbitrary::FiniteBuffer`
[INFO] [stdout]   --> src/main.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use arbitrary::{Arbitrary, FiniteBuffer};
[INFO] [stdout]    |                                ^^^^^^^^^^^^ no `FiniteBuffer` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `()`
[INFO] [stdout]   --> src/main.rs:48:67
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn fuzz_cycle(data: &[u8]) -> Result<(), ()> {
[INFO] [stdout]    |                               -------------- expected `()` because of this
[INFO] [stdout] ...
[INFO] [stdout] 48 |     let mut regex_bytes: Vec<u8> = Arbitrary::arbitrary(&mut ring)?;
[INFO] [stdout]    |                                                                   ^ the trait `From<arbitrary::Error>` is not implemented for `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `()`
[INFO] [stdout]   --> src/main.rs:48:67
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn fuzz_cycle(data: &[u8]) -> Result<(), ()> {
[INFO] [stdout]    |                               -------------- expected `()` because of this
[INFO] [stdout] ...
[INFO] [stdout] 48 |     let mut regex_bytes: Vec<u8> = Arbitrary::arbitrary(&mut ring)?;
[INFO] [stdout]    |                                                                   ^ the trait `From<arbitrary::Error>` is not implemented for `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `()`
[INFO] [stdout]   --> src/main.rs:59:52
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn fuzz_cycle(data: &[u8]) -> Result<(), ()> {
[INFO] [stdout]    |                               -------------- expected `()` because of this
[INFO] [stdout] ...
[INFO] [stdout] 59 |     let seed: u64 = Arbitrary::arbitrary(&mut ring)?;
[INFO] [stdout]    |                                                    ^ the trait `From<arbitrary::Error>` is not implemented for `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `()`
[INFO] [stdout]   --> src/main.rs:59:52
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn fuzz_cycle(data: &[u8]) -> Result<(), ()> {
[INFO] [stdout]    |                               -------------- expected `()` because of this
[INFO] [stdout] ...
[INFO] [stdout] 59 |     let seed: u64 = Arbitrary::arbitrary(&mut ring)?;
[INFO] [stdout]    |                                                    ^ the trait `From<arbitrary::Error>` is not implemented for `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `()`
[INFO] [stdout]   --> src/main.rs:76:70
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn fuzz_cycle(data: &[u8]) -> Result<(), ()> {
[INFO] [stdout]    |                               -------------- expected `()` because of this
[INFO] [stdout] ...
[INFO] [stdout] 76 |     let mut haystack_bytes: Vec<u8> = Arbitrary::arbitrary(&mut ring)?;
[INFO] [stdout]    |                                                                      ^ the trait `From<arbitrary::Error>` is not implemented for `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `()`
[INFO] [stdout]   --> src/main.rs:82:49
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn fuzz_cycle(data: &[u8]) -> Result<(), ()> {
[INFO] [stdout]    |                               -------------- expected `()` because of this
[INFO] [stdout] ...
[INFO] [stdout] 82 |     let pos: usize = usize::arbitrary(&mut ring)? % (haystack.len() + 1);
[INFO] [stdout]    |                                                 ^ the trait `From<arbitrary::Error>` is not implemented for `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `()`
[INFO] [stdout]   --> src/main.rs:76:70
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn fuzz_cycle(data: &[u8]) -> Result<(), ()> {
[INFO] [stdout]    |                               -------------- expected `()` because of this
[INFO] [stdout] ...
[INFO] [stdout] 76 |     let mut haystack_bytes: Vec<u8> = Arbitrary::arbitrary(&mut ring)?;
[INFO] [stdout]    |                                                                      ^ the trait `From<arbitrary::Error>` is not implemented for `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `()`
[INFO] [stdout]   --> src/main.rs:82:49
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn fuzz_cycle(data: &[u8]) -> Result<(), ()> {
[INFO] [stdout]    |                               -------------- expected `()` because of this
[INFO] [stdout] ...
[INFO] [stdout] 82 |     let pos: usize = usize::arbitrary(&mut ring)? % (haystack.len() + 1);
[INFO] [stdout]    |                                                 ^ the trait `From<arbitrary::Error>` is not implemented for `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rg-searcher-fuzz-test`.
[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" "096b7dfd4dee00305b16ab828e4921df5966cffede2db7653c3182c7f534fd8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096b7dfd4dee00305b16ab828e4921df5966cffede2db7653c3182c7f534fd8c", kill_on_drop: false }`
[INFO] [stdout] 096b7dfd4dee00305b16ab828e4921df5966cffede2db7653c3182c7f534fd8c
