[INFO] crate buildchain 0.4.11 is already in cache [INFO] testing buildchain-0.4.11 against 1.44.0 for beta-1.45-1 [INFO] extracting crate buildchain 0.4.11 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate buildchain 0.4.11 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 buildchain 0.4.11 [INFO] finished tweaking crates.io crate buildchain 0.4.11 [INFO] tweaked toml for crates.io crate buildchain 0.4.11 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate buildchain 0.4.11 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e27e9e325fbf8c113665b03df8c0dcabe183efe409db5f4937214f1ea7bc28fa [INFO] running `"docker" "start" "-a" "e27e9e325fbf8c113665b03df8c0dcabe183efe409db5f4937214f1ea7bc28fa"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling smallvec v1.0.0 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.26 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling encoding_rs v0.8.22 [INFO] [stderr] Compiling mime v0.3.14 [INFO] [stderr] Compiling dtoa v0.4.4 [INFO] [stderr] Compiling index-fixed v0.3.0 [INFO] [stderr] Compiling base32 v0.4.0 [INFO] [stderr] Compiling plain v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling lock_api v0.3.2 [INFO] [stderr] Compiling unicode-normalization v0.1.11 [INFO] [stderr] Compiling miniz_oxide v0.3.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling sodalite v0.3.0 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling flate2 v1.0.13 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling tokio-executor v0.1.9 [INFO] [stderr] Compiling tokio-sync v0.1.7 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling url v2.1.0 [INFO] [stderr] Compiling tokio-timer v0.2.12 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling publicsuffix v1.5.4 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling tokio-reactor v0.1.11 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling tokio-threadpool v0.1.17 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling serde_json v1.0.44 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling cookie_store v0.7.0 [INFO] [stderr] Compiling lxd v0.1.8 [INFO] [stderr] Compiling reqwest v0.9.24 [INFO] [stderr] Compiling buildchain v0.4.11 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:39:29 [INFO] [stderr] | [INFO] [stderr] 39 | format!("{}: {:?}", err.description(), err) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `digest` [INFO] [stderr] --> src/download.rs:122:20 [INFO] [stderr] | [INFO] [stderr] 122 | for (file, digest) in manifest.files.iter() { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digest` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `signature` [INFO] [stderr] --> src/block.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | signature: [u8; 64], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `public_key` [INFO] [stderr] --> src/block.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | public_key: [u8; 32], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `previous_signature` [INFO] [stderr] --> src/block.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | previous_signature: [u8; 64], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `counter` [INFO] [stderr] --> src/block.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | counter: [u8; 8], [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `timestamp` [INFO] [stderr] --> src/block.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | timestamp: [u8; 8], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/store.rs:229:9 [INFO] [stderr] | [INFO] [stderr] 229 | create_dir_if_needed(&pb); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/store.rs:231:9 [INFO] [stderr] | [INFO] [stderr] 231 | create_dir_if_needed(&pb); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 02s [INFO] running `"docker" "inspect" "e27e9e325fbf8c113665b03df8c0dcabe183efe409db5f4937214f1ea7bc28fa"` [INFO] running `"docker" "rm" "-f" "e27e9e325fbf8c113665b03df8c0dcabe183efe409db5f4937214f1ea7bc28fa"` [INFO] [stdout] e27e9e325fbf8c113665b03df8c0dcabe183efe409db5f4937214f1ea7bc28fa [INFO] running `"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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dd2e5a077a23666520bd95b6ca5223e6ea92cb11746094a678274effe32b912e [INFO] running `"docker" "start" "-a" "dd2e5a077a23666520bd95b6ca5223e6ea92cb11746094a678274effe32b912e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling buildchain v0.4.11 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:39:29 [INFO] [stderr] | [INFO] [stderr] 39 | format!("{}: {:?}", err.description(), err) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `digest` [INFO] [stderr] --> src/download.rs:122:20 [INFO] [stderr] | [INFO] [stderr] 122 | for (file, digest) in manifest.files.iter() { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digest` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `signature` [INFO] [stderr] --> src/block.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | signature: [u8; 64], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `public_key` [INFO] [stderr] --> src/block.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | public_key: [u8; 32], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `previous_signature` [INFO] [stderr] --> src/block.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | previous_signature: [u8; 64], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `counter` [INFO] [stderr] --> src/block.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | counter: [u8; 8], [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `timestamp` [INFO] [stderr] --> src/block.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | timestamp: [u8; 8], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/store.rs:229:9 [INFO] [stderr] | [INFO] [stderr] 229 | create_dir_if_needed(&pb); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/store.rs:231:9 [INFO] [stderr] | [INFO] [stderr] 231 | create_dir_if_needed(&pb); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `Rng` [INFO] [stderr] --> src/store.rs:254:16 [INFO] [stderr] | [INFO] [stderr] 254 | use rand::{Rng, OsRng}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::OsRng': import with rand::rngs::OsRng instead [INFO] [stderr] --> src/store.rs:254:21 [INFO] [stderr] | [INFO] [stderr] 254 | use rand::{Rng, OsRng}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::OsRng': import with rand::rngs::OsRng instead [INFO] [stderr] --> src/store.rs:317:27 [INFO] [stderr] | [INFO] [stderr] 317 | let mut rng = OsRng::new().unwrap(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::OsRng': import with rand::rngs::OsRng instead [INFO] [stderr] --> src/store.rs:361:27 [INFO] [stderr] | [INFO] [stderr] 361 | let mut rng = OsRng::new().unwrap(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::OsRng': import with rand::rngs::OsRng instead [INFO] [stderr] --> src/store.rs:395:27 [INFO] [stderr] | [INFO] [stderr] 395 | let mut rng = OsRng::new().unwrap(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::OsRng': import with rand::rngs::OsRng instead [INFO] [stderr] --> src/store.rs:431:27 [INFO] [stderr] | [INFO] [stderr] 431 | let mut rng = OsRng::new().unwrap(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:39:29 [INFO] [stderr] | [INFO] [stderr] 39 | format!("{}: {:?}", err.description(), err) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `fill_bytes` found for struct `rand::OsRng` in the current scope [INFO] [stderr] --> src/store.rs:318:17 [INFO] [stderr] | [INFO] [stderr] 318 | rng.fill_bytes(&mut content); [INFO] [stderr] | ^^^^^^^^^^ method not found in `rand::OsRng` [INFO] [stderr] | [INFO] [stderr] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:169:8 [INFO] [stderr] | [INFO] [stderr] 169 | fn fill_bytes(&mut self, dest: &mut [u8]); [INFO] [stderr] | ---------- [INFO] [stderr] | | [INFO] [stderr] | the method is available for `std::boxed::Box` here [INFO] [stderr] | the method is available for `std::sync::Arc` here [INFO] [stderr] | the method is available for `std::rc::Rc` here [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stderr] `use rand::RngCore;` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `fill_bytes` found for struct `rand::OsRng` in the current scope [INFO] [stderr] --> src/store.rs:362:17 [INFO] [stderr] | [INFO] [stderr] 362 | rng.fill_bytes(&mut content); [INFO] [stderr] | ^^^^^^^^^^ method not found in `rand::OsRng` [INFO] [stderr] | [INFO] [stderr] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:169:8 [INFO] [stderr] | [INFO] [stderr] 169 | fn fill_bytes(&mut self, dest: &mut [u8]); [INFO] [stderr] | ---------- [INFO] [stderr] | | [INFO] [stderr] | the method is available for `std::boxed::Box` here [INFO] [stderr] | the method is available for `std::sync::Arc` here [INFO] [stderr] | the method is available for `std::rc::Rc` here [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stderr] `use rand::RngCore;` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `fill_bytes` found for struct `rand::OsRng` in the current scope [INFO] [stderr] --> src/store.rs:396:17 [INFO] [stderr] | [INFO] [stderr] 396 | rng.fill_bytes(&mut block); [INFO] [stderr] | ^^^^^^^^^^ method not found in `rand::OsRng` [INFO] [stderr] | [INFO] [stderr] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:169:8 [INFO] [stderr] | [INFO] [stderr] 169 | fn fill_bytes(&mut self, dest: &mut [u8]); [INFO] [stderr] | ---------- [INFO] [stderr] | | [INFO] [stderr] | the method is available for `std::boxed::Box` here [INFO] [stderr] | the method is available for `std::sync::Arc` here [INFO] [stderr] | the method is available for `std::rc::Rc` here [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stderr] `use rand::RngCore;` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `fill_bytes` found for struct `rand::OsRng` in the current scope [INFO] [stderr] --> src/store.rs:432:17 [INFO] [stderr] | [INFO] [stderr] 432 | rng.fill_bytes(&mut block); [INFO] [stderr] | ^^^^^^^^^^ method not found in `rand::OsRng` [INFO] [stderr] | [INFO] [stderr] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:169:8 [INFO] [stderr] | [INFO] [stderr] 169 | fn fill_bytes(&mut self, dest: &mut [u8]); [INFO] [stderr] | ---------- [INFO] [stderr] | | [INFO] [stderr] | the method is available for `std::boxed::Box` here [INFO] [stderr] | the method is available for `std::sync::Arc` here [INFO] [stderr] | the method is available for `std::rc::Rc` here [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] = note: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stderr] `use rand::RngCore;` [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors; 7 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: could not compile `buildchain`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "dd2e5a077a23666520bd95b6ca5223e6ea92cb11746094a678274effe32b912e"` [INFO] running `"docker" "rm" "-f" "dd2e5a077a23666520bd95b6ca5223e6ea92cb11746094a678274effe32b912e"` [INFO] [stdout] dd2e5a077a23666520bd95b6ca5223e6ea92cb11746094a678274effe32b912e