[INFO] fetching crate strscan 0.1.1...
[INFO] testing strscan-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate strscan 0.1.1 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate strscan 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strscan 0.1.1
[INFO] finished tweaking crates.io crate strscan 0.1.1
[INFO] tweaked toml for crates.io crate strscan 0.1.1 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a8e90d6ae9b99c8b0f67566fd98b89e8dd44fb30c2bd7e8232dfd93d38a82f3
[INFO] running `Command { std: "docker" "start" "-a" "1a8e90d6ae9b99c8b0f67566fd98b89e8dd44fb30c2bd7e8232dfd93d38a82f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a8e90d6ae9b99c8b0f67566fd98b89e8dd44fb30c2bd7e8232dfd93d38a82f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8e90d6ae9b99c8b0f67566fd98b89e8dd44fb30c2bd7e8232dfd93d38a82f3", kill_on_drop: false }`
[INFO] [stdout] 1a8e90d6ae9b99c8b0f67566fd98b89e8dd44fb30c2bd7e8232dfd93d38a82f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 876763f2a86916db483a49f0587f27e18f32d699f6b4bea12b478dd87e57f668
[INFO] running `Command { std: "docker" "start" "-a" "876763f2a86916db483a49f0587f27e18f32d699f6b4bea12b478dd87e57f668", 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] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling strscan v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `slice_chars` found for reference `&str` in the current scope
[INFO] [stdout]   --> src/strscan.rs:95:19
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Some(rest.slice_chars(0, len))
[INFO] [stdout]    |                   ^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_chars` found for reference `&str` in the current scope
[INFO] [stdout]    --> src/strscan.rs:113:24
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let chr = rest.slice_chars(0, 1);
[INFO] [stdout]     |                        ^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `strscan` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "876763f2a86916db483a49f0587f27e18f32d699f6b4bea12b478dd87e57f668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876763f2a86916db483a49f0587f27e18f32d699f6b4bea12b478dd87e57f668", kill_on_drop: false }`
[INFO] [stdout] 876763f2a86916db483a49f0587f27e18f32d699f6b4bea12b478dd87e57f668