[INFO] fetching crate strscan 0.1.1...
[INFO] checking strscan-0.1.1 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate strscan 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate strscan 0.1.1 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22d5c1e0543ab756c727402d56d29f2cc4530a5293eebf6736af069085b40fe2
[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" "22d5c1e0543ab756c727402d56d29f2cc4530a5293eebf6736af069085b40fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22d5c1e0543ab756c727402d56d29f2cc4530a5293eebf6736af069085b40fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22d5c1e0543ab756c727402d56d29f2cc4530a5293eebf6736af069085b40fe2", kill_on_drop: false }`
[INFO] [stdout] 22d5c1e0543ab756c727402d56d29f2cc4530a5293eebf6736af069085b40fe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f260adc43bdc0310903b0078ed7284e38efc0879b5948fc5b296d8f86e006527
[INFO] running `Command { std: "docker" "start" "-a" "f260adc43bdc0310903b0078ed7284e38efc0879b5948fc5b296d8f86e006527", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking 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: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[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`.
[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] 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: build failed
[INFO] running `Command { std: "docker" "inspect" "f260adc43bdc0310903b0078ed7284e38efc0879b5948fc5b296d8f86e006527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f260adc43bdc0310903b0078ed7284e38efc0879b5948fc5b296d8f86e006527", kill_on_drop: false }`
[INFO] [stdout] f260adc43bdc0310903b0078ed7284e38efc0879b5948fc5b296d8f86e006527
