[INFO] cloning repository https://github.com/pop-os/buildchain [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pop-os/buildchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fbuildchain"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fbuildchain'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cb48b2fd146e659c502814fa2cd70fdfd105d034 [INFO] checking pop-os/buildchain against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fbuildchain" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pop-os/buildchain on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/pop-os/buildchain [INFO] finished tweaking git repo https://github.com/pop-os/buildchain [INFO] tweaked toml for git repo https://github.com/pop-os/buildchain written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/pop-os/buildchain already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6b501c33dfdf1ac717491b412e56c45c01d6a4949c26438bcf7739f3eaa4ecab [INFO] running `"docker" "start" "-a" "6b501c33dfdf1ac717491b412e56c45c01d6a4949c26438bcf7739f3eaa4ecab"` [INFO] [stderr] Checking index-fixed v0.3.0 [INFO] [stderr] Checking base32 v0.4.0 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking publicsuffix v1.5.3 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking sodalite v0.3.0 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking lxd v0.1.8 [INFO] [stderr] Checking hyper v0.12.33 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking reqwest v0.9.20 [INFO] [stderr] Checking buildchain v0.4.10 (/opt/rustwide/workdir) [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: consider prefixing with an underscore: `_digest` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `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 used: `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 used: `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 used: `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 used: `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: 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] error[E0599]: no method named `fill_bytes` found for type `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] = 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 type `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] = 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 type `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] = 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 type `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] = 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 [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: could not compile `buildchain`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "6b501c33dfdf1ac717491b412e56c45c01d6a4949c26438bcf7739f3eaa4ecab"` [INFO] running `"docker" "rm" "-f" "6b501c33dfdf1ac717491b412e56c45c01d6a4949c26438bcf7739f3eaa4ecab"` [INFO] [stdout] 6b501c33dfdf1ac717491b412e56c45c01d6a4949c26438bcf7739f3eaa4ecab