[INFO] cloning repository https://github.com/mkaito/sanitizeutf8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkaito/sanitizeutf8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaito%2Fsanitizeutf8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaito%2Fsanitizeutf8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26361b2711c7463fcb687ac7e8b84a673f18448a
[INFO] checking mkaito/sanitizeutf8 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaito%2Fsanitizeutf8" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkaito/sanitizeutf8 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mkaito/sanitizeutf8
[INFO] finished tweaking git repo https://github.com/mkaito/sanitizeutf8
[INFO] tweaked toml for git repo https://github.com/mkaito/sanitizeutf8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mkaito/sanitizeutf8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c63b3e508570e41e3aa101e59233965ea44e331bb0a4c0ca91526e3e3fea9510
[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" "c63b3e508570e41e3aa101e59233965ea44e331bb0a4c0ca91526e3e3fea9510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c63b3e508570e41e3aa101e59233965ea44e331bb0a4c0ca91526e3e3fea9510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63b3e508570e41e3aa101e59233965ea44e331bb0a4c0ca91526e3e3fea9510", kill_on_drop: false }`
[INFO] [stdout] c63b3e508570e41e3aa101e59233965ea44e331bb0a4c0ca91526e3e3fea9510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de72217537355ff180f6a0ee534e9b2fb35d90e1fd4d4a52d1b88d91985d9770
[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" "de72217537355ff180f6a0ee534e9b2fb35d90e1fd4d4a52d1b88d91985d9770", kill_on_drop: false }`
[INFO] [stderr]     Checking sanitizeutf8 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sanitizeutf8`
[INFO] [stdout] error[E0599]: no method named `chars` found for struct `StdinLock<'_>` in the current scope
[INFO] [stdout]  --> src/main.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for c in reader.lock().chars() {
[INFO] [stdout]   |                            ^^^^^ method not found in `StdinLock<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `chars` found for struct `StdinLock<'_>` in the current scope
[INFO] [stdout]  --> src/main.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for c in reader.lock().chars() {
[INFO] [stdout]   |                            ^^^^^ method not found in `StdinLock<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[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" "de72217537355ff180f6a0ee534e9b2fb35d90e1fd4d4a52d1b88d91985d9770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de72217537355ff180f6a0ee534e9b2fb35d90e1fd4d4a52d1b88d91985d9770", kill_on_drop: false }`
[INFO] [stdout] de72217537355ff180f6a0ee534e9b2fb35d90e1fd4d4a52d1b88d91985d9770