[INFO] fetching crate brother-ql-rs 0.2.1...
[INFO] checking brother-ql-rs-0.2.1 against beta for pr-78714
[INFO] extracting crate brother-ql-rs 0.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate brother-ql-rs 0.2.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking crates.io crate brother-ql-rs 0.2.1
[INFO] finished tweaking crates.io crate brother-ql-rs 0.2.1
[INFO] tweaked toml for crates.io crate brother-ql-rs 0.2.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e697d015f95690b83e39be0a260b60ed43367f8a5ee2fc007380a3cf485d248
[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" "9e697d015f95690b83e39be0a260b60ed43367f8a5ee2fc007380a3cf485d248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e697d015f95690b83e39be0a260b60ed43367f8a5ee2fc007380a3cf485d248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e697d015f95690b83e39be0a260b60ed43367f8a5ee2fc007380a3cf485d248", kill_on_drop: false }`
[INFO] [stdout] 9e697d015f95690b83e39be0a260b60ed43367f8a5ee2fc007380a3cf485d248
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b545edcb70b0af151775d5f8a2de83b1667721a201420b115e2e35d85b1c0143
[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" "b545edcb70b0af151775d5f8a2de83b1667721a201420b115e2e35d85b1c0143", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling libusb1-sys v0.3.7
[INFO] [stderr]     Checking rusb v0.5.5
[INFO] [stderr]     Checking brother-ql-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `init` found for struct `ThermalPrinter<GlobalContext>` in the current scope
[INFO] [stdout]    --> src/printer.rs:312:11
[INFO] [stdout]     |
[INFO] [stdout] 89  | pub struct ThermalPrinter<T: rusb::UsbContext> {
[INFO] [stdout]     | ---------------------------------------------- method `init` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 312 |         printer.init().unwrap();
[INFO] [stdout]     |                 ^^^^ method not found in `ThermalPrinter<GlobalContext>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `init`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `crossbeam_epoch::atomic::Pointable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `init` found for struct `ThermalPrinter<GlobalContext>` in the current scope
[INFO] [stdout]    --> src/printer.rs:322:23
[INFO] [stdout]     |
[INFO] [stdout] 89  | pub struct ThermalPrinter<T: rusb::UsbContext> {
[INFO] [stdout]     | ---------------------------------------------- method `init` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 322 |         let label = printer.init().unwrap().media.to_label();
[INFO] [stdout]     |                             ^^^^ method not found in `ThermalPrinter<GlobalContext>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `init`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `crossbeam_epoch::atomic::Pointable`
[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 `brother-ql-rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b545edcb70b0af151775d5f8a2de83b1667721a201420b115e2e35d85b1c0143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b545edcb70b0af151775d5f8a2de83b1667721a201420b115e2e35d85b1c0143", kill_on_drop: false }`
[INFO] [stdout] b545edcb70b0af151775d5f8a2de83b1667721a201420b115e2e35d85b1c0143