[INFO] cloning repository https://github.com/pop-os/buildchain [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fbuildchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7876ed5cedbd19c12d8b18f6c9dad7a08d4d07cf [INFO] checking pop-os/buildchain against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fbuildchain" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pop-os/buildchain on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-3/source/Cargo.toml [INFO] crate git repo https://github.com/pop-os/buildchain already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c2cc8a43ddd5dc7b2811e60c238933595dfe8b578f0f5115c1698dfbab4557a2 [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" "c2cc8a43ddd5dc7b2811e60c238933595dfe8b578f0f5115c1698dfbab4557a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c2cc8a43ddd5dc7b2811e60c238933595dfe8b578f0f5115c1698dfbab4557a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2cc8a43ddd5dc7b2811e60c238933595dfe8b578f0f5115c1698dfbab4557a2", kill_on_drop: false }` [INFO] [stdout] c2cc8a43ddd5dc7b2811e60c238933595dfe8b578f0f5115c1698dfbab4557a2 [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=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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 14cff1cb81f38c0699ad6b8a3e07cc4fb364f444dd45184ef38bfc970c8e766a [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" "14cff1cb81f38c0699ad6b8a3e07cc4fb364f444dd45184ef38bfc970c8e766a", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling openssl v0.10.26 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking mime v0.3.14 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking index-fixed v0.3.0 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking base32 v0.4.0 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking miniz_oxide v0.3.5 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking sodalite v0.3.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking encoding_rs v0.8.22 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Checking crossbeam-utils v0.7.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking crossbeam-epoch v0.8.0 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking tokio-executor v0.1.9 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.12 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking tokio-threadpool v0.1.17 [INFO] [stderr] Checking tokio-reactor v0.1.11 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking publicsuffix v1.5.4 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking lxd v0.1.8 [INFO] [stderr] Checking reqwest v0.9.24 [INFO] [stderr] Checking buildchain v0.4.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> src/store.rs:254:16 [INFO] [stdout] | [INFO] [stdout] 254 | use rand::{Rng, OsRng}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `rand::OsRng`: import with rand::rngs::OsRng instead [INFO] [stdout] --> src/store.rs:254:21 [INFO] [stdout] | [INFO] [stdout] 254 | use rand::{Rng, OsRng}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `rand::OsRng`: import with rand::rngs::OsRng instead [INFO] [stdout] --> src/store.rs:317:27 [INFO] [stdout] | [INFO] [stdout] 317 | let mut rng = OsRng::new().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `rand::OsRng`: import with rand::rngs::OsRng instead [INFO] [stdout] --> src/store.rs:361:27 [INFO] [stdout] | [INFO] [stdout] 361 | let mut rng = OsRng::new().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `rand::OsRng`: import with rand::rngs::OsRng instead [INFO] [stdout] --> src/store.rs:395:27 [INFO] [stdout] | [INFO] [stdout] 395 | let mut rng = OsRng::new().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `rand::OsRng`: import with rand::rngs::OsRng instead [INFO] [stdout] --> src/store.rs:431:27 [INFO] [stdout] | [INFO] [stdout] 431 | let mut rng = OsRng::new().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:39:29 [INFO] [stdout] | [INFO] [stdout] 39 | format!("{}: {:?}", err.description(), err) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:39:29 [INFO] [stdout] | [INFO] [stdout] 39 | format!("{}: {:?}", err.description(), err) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `digest` [INFO] [stdout] --> src/download.rs:122:20 [INFO] [stdout] | [INFO] [stdout] 122 | for (file, digest) in manifest.files.iter() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digest` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `signature` [INFO] [stdout] --> src/block.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | signature: [u8; 64], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `public_key` [INFO] [stdout] --> src/block.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | public_key: [u8; 32], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `previous_signature` [INFO] [stdout] --> src/block.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | previous_signature: [u8; 64], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `counter` [INFO] [stdout] --> src/block.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | counter: [u8; 8], [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `timestamp` [INFO] [stdout] --> src/block.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | timestamp: [u8; 8], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/store.rs:229:9 [INFO] [stdout] | [INFO] [stdout] 229 | create_dir_if_needed(&pb); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/store.rs:231:9 [INFO] [stdout] | [INFO] [stdout] 231 | create_dir_if_needed(&pb); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fill_bytes` found for struct `rand::OsRng` in the current scope [INFO] [stdout] --> src/store.rs:318:17 [INFO] [stdout] | [INFO] [stdout] 318 | rng.fill_bytes(&mut content); [INFO] [stdout] | ^^^^^^^^^^ method not found in `rand::OsRng` [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:169:8 [INFO] [stdout] | [INFO] [stdout] 169 | fn fill_bytes(&mut self, dest: &mut [u8]); [INFO] [stdout] | ---------- the method is available for `Box` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] = note: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] `use rand::RngCore;` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fill_bytes` found for struct `rand::OsRng` in the current scope [INFO] [stdout] --> src/store.rs:362:17 [INFO] [stdout] | [INFO] [stdout] 362 | rng.fill_bytes(&mut content); [INFO] [stdout] | ^^^^^^^^^^ method not found in `rand::OsRng` [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:169:8 [INFO] [stdout] | [INFO] [stdout] 169 | fn fill_bytes(&mut self, dest: &mut [u8]); [INFO] [stdout] | ---------- the method is available for `Box` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] = note: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] `use rand::RngCore;` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fill_bytes` found for struct `rand::OsRng` in the current scope [INFO] [stdout] --> src/store.rs:396:17 [INFO] [stdout] | [INFO] [stdout] 396 | rng.fill_bytes(&mut block); [INFO] [stdout] | ^^^^^^^^^^ method not found in `rand::OsRng` [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:169:8 [INFO] [stdout] | [INFO] [stdout] 169 | fn fill_bytes(&mut self, dest: &mut [u8]); [INFO] [stdout] | ---------- the method is available for `Box` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] = note: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] `use rand::RngCore;` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fill_bytes` found for struct `rand::OsRng` in the current scope [INFO] [stdout] --> src/store.rs:432:17 [INFO] [stdout] | [INFO] [stdout] 432 | rng.fill_bytes(&mut block); [INFO] [stdout] | ^^^^^^^^^^ method not found in `rand::OsRng` [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:169:8 [INFO] [stdout] | [INFO] [stdout] 169 | fn fill_bytes(&mut self, dest: &mut [u8]); [INFO] [stdout] | ---------- the method is available for `Box` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] = note: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] `use rand::RngCore;` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `buildchain` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "14cff1cb81f38c0699ad6b8a3e07cc4fb364f444dd45184ef38bfc970c8e766a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14cff1cb81f38c0699ad6b8a3e07cc4fb364f444dd45184ef38bfc970c8e766a", kill_on_drop: false }` [INFO] [stdout] 14cff1cb81f38c0699ad6b8a3e07cc4fb364f444dd45184ef38bfc970c8e766a