[INFO] fetching crate brother-ql-rs 0.2.1...
[INFO] testing brother-ql-rs-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate brother-ql-rs 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate brother-ql-rs 0.2.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stb_truetype v0.3.1
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded png v0.15.3
[INFO] [stderr]   Downloaded image v0.22.5
[INFO] [stderr]   Downloaded tiff v0.3.1
[INFO] [stderr]   Downloaded filetime v0.2.13
[INFO] [stderr]   Downloaded rusb v0.5.5
[INFO] [stderr]   Downloaded rusttype v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc12c66e973c22356e1a17336038844c33783ef01f6050e7902ea5cc73e54df0
[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" "cc12c66e973c22356e1a17336038844c33783ef01f6050e7902ea5cc73e54df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc12c66e973c22356e1a17336038844c33783ef01f6050e7902ea5cc73e54df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc12c66e973c22356e1a17336038844c33783ef01f6050e7902ea5cc73e54df0", kill_on_drop: false }`
[INFO] [stdout] cc12c66e973c22356e1a17336038844c33783ef01f6050e7902ea5cc73e54df0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] 4f361d551eddec08532a645e8293b47847563373da0db4b43685ae20447fd052
[INFO] running `Command { std: "docker" "start" "-a" "4f361d551eddec08532a645e8293b47847563373da0db4b43685ae20447fd052", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling libusb1-sys v0.3.7
[INFO] [stderr]    Compiling rusb v0.5.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling brother-ql-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.21s
[INFO] running `Command { std: "docker" "inspect" "4f361d551eddec08532a645e8293b47847563373da0db4b43685ae20447fd052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f361d551eddec08532a645e8293b47847563373da0db4b43685ae20447fd052", kill_on_drop: false }`
[INFO] [stdout] 4f361d551eddec08532a645e8293b47847563373da0db4b43685ae20447fd052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80de0407d27bb461186a145dd81bddb8f3ece46bdea1d50d43debacd81d6d581
[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" "80de0407d27bb461186a145dd81bddb8f3ece46bdea1d50d43debacd81d6d581", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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" "80de0407d27bb461186a145dd81bddb8f3ece46bdea1d50d43debacd81d6d581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80de0407d27bb461186a145dd81bddb8f3ece46bdea1d50d43debacd81d6d581", kill_on_drop: false }`
[INFO] [stdout] 80de0407d27bb461186a145dd81bddb8f3ece46bdea1d50d43debacd81d6d581