[INFO] crate brother-ql-rs 0.2.1 is already in cache
[INFO] testing brother-ql-rs-0.2.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate brother-ql-rs 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate brother-ql-rs 0.2.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 95e89a41503fefacdddcfdb1e9bfd43bf91077999033703698f6eafdebc4a03d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "95e89a41503fefacdddcfdb1e9bfd43bf91077999033703698f6eafdebc4a03d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling tar v0.4.28
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling libusb1-sys v0.3.7
[INFO] [stderr]    Compiling rusb v0.5.5
[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 41.88s
[INFO] running `"docker" "inspect" "95e89a41503fefacdddcfdb1e9bfd43bf91077999033703698f6eafdebc4a03d"`
[INFO] running `"docker" "rm" "-f" "95e89a41503fefacdddcfdb1e9bfd43bf91077999033703698f6eafdebc4a03d"`
[INFO] [stdout] 95e89a41503fefacdddcfdb1e9bfd43bf91077999033703698f6eafdebc4a03d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dae6502244588619ef3d4afa81b4a61040a4bec334070f89d7088c06224eb461
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "dae6502244588619ef3d4afa81b4a61040a4bec334070f89d7088c06224eb461"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling brother-ql-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `init` found for struct `printer::ThermalPrinter<rusb::context::GlobalContext>` in the current scope
[INFO] [stderr]    --> src/printer.rs:312:11
[INFO] [stderr]     |
[INFO] [stderr] 89  | pub struct ThermalPrinter<T: rusb::UsbContext> {
[INFO] [stderr]     | ---------------------------------------------- method `init` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 312 |         printer.init().unwrap();
[INFO] [stderr]     |                 ^^^^ method not found in `printer::ThermalPrinter<rusb::context::GlobalContext>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `init` found for struct `printer::ThermalPrinter<rusb::context::GlobalContext>` in the current scope
[INFO] [stderr]    --> src/printer.rs:322:23
[INFO] [stderr]     |
[INFO] [stderr] 89  | pub struct ThermalPrinter<T: rusb::UsbContext> {
[INFO] [stderr]     | ---------------------------------------------- method `init` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 322 |         let label = printer.init().unwrap().media.to_label();
[INFO] [stderr]     |                             ^^^^ method not found in `printer::ThermalPrinter<rusb::context::GlobalContext>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `brother-ql-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "dae6502244588619ef3d4afa81b4a61040a4bec334070f89d7088c06224eb461"`
[INFO] running `"docker" "rm" "-f" "dae6502244588619ef3d4afa81b4a61040a4bec334070f89d7088c06224eb461"`
[INFO] [stdout] dae6502244588619ef3d4afa81b4a61040a4bec334070f89d7088c06224eb461