[INFO] cloning repository https://github.com/takatori/rust-coin [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takatori/rust-coin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakatori%2Frust-coin", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakatori%2Frust-coin'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 93076f35aca5a0a5c849c8bfcbce0fa0c8c2386e [INFO] checking takatori/rust-coin against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakatori%2Frust-coin" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/takatori/rust-coin 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/takatori/rust-coin [INFO] finished tweaking git repo https://github.com/takatori/rust-coin [INFO] tweaked toml for git repo https://github.com/takatori/rust-coin written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/takatori/rust-coin 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ee8a73297e126093619b64a5ecfc9eeb7af24cd42d5619027e158a7824227af2 [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" "ee8a73297e126093619b64a5ecfc9eeb7af24cd42d5619027e158a7824227af2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee8a73297e126093619b64a5ecfc9eeb7af24cd42d5619027e158a7824227af2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee8a73297e126093619b64a5ecfc9eeb7af24cd42d5619027e158a7824227af2", kill_on_drop: false }` [INFO] [stdout] ee8a73297e126093619b64a5ecfc9eeb7af24cd42d5619027e158a7824227af2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 720de515715971e1964417e84bada852a60d53a4f79f813b72cd6f2e1ce7ad2c [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" "720de515715971e1964417e84bada852a60d53a4f79f813b72cd6f2e1ce7ad2c", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.30 [INFO] [stderr] Checking futures v0.1.16 [INFO] [stderr] Compiling typenum v1.9.0 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Checking odds v0.2.25 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking serde v1.0.15 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking nodrop v0.1.9 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Compiling unicase v2.0.0 [INFO] [stderr] Checking mio v0.6.10 [INFO] [stderr] Checking mime v0.3.3 [INFO] [stderr] Compiling serde_derive_internals v0.16.0 [INFO] [stderr] Checking tokio-io v0.1.3 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking futures-cpupool v0.1.6 [INFO] [stderr] Checking generic-array v0.8.3 [INFO] [stderr] Checking block-buffer v0.2.0 [INFO] [stderr] Checking digest v0.6.2 [INFO] [stderr] Checking tokio-core v0.1.9 [INFO] [stderr] Checking sha2 v0.6.0 [INFO] [stderr] Compiling serde_derive v1.0.15 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking hyper v0.11.2 [INFO] [stderr] Checking serde_json v1.0.3 [INFO] [stderr] Checking rust-coin v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sha2::Sha256` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use sha2::Sha256; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `digest::Input` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use digest::Input; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hyper::header::ContentLength` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use hyper::header::ContentLength; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Http` [INFO] [stdout] --> src/main.rs:19:21 [INFO] [stdout] | [INFO] [stdout] 19 | use hyper::server::{Http, Request, Response, Service}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sha2::Sha256` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use sha2::Sha256; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `digest::Input` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use digest::Input; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hyper::header::ContentLength` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use hyper::header::ContentLength; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Http` [INFO] [stdout] --> src/main.rs:19:21 [INFO] [stdout] | [INFO] [stdout] 19 | use hyper::server::{Http, Request, Response, Service}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/main.rs:95:5 [INFO] [stdout] | [INFO] [stdout] 94 | let mut sha256 = Digest::new(); [INFO] [stdout] | ---------- consider giving `sha256` a type [INFO] [stdout] 95 | sha256.input_str(seed); [INFO] [stdout] | ^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: type must be known at this point [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/main.rs:95:5 [INFO] [stdout] | [INFO] [stdout] 94 | let mut sha256 = Digest::new(); [INFO] [stdout] | ---------- consider giving `sha256` a type [INFO] [stdout] 95 | sha256.input_str(seed); [INFO] [stdout] | ^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: type must be known at this point [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:153:23 [INFO] [stdout] | [INFO] [stdout] 153 | block_chain = new_blocks; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected struct `Vec`, found `&[Block]` [INFO] [stdout] | help: try using a conversion method: `new_blocks.to_vec()` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Vec` [INFO] [stdout] found reference `&[Block]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:161:57 [INFO] [stdout] | [INFO] [stdout] 161 | fn is_valid_chain(block_chain_to_validate: &[Block]) -> bool { [INFO] [stdout] | -------------- ^^^^ expected `bool`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-coin` [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] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:153:23 [INFO] [stdout] | [INFO] [stdout] 153 | block_chain = new_blocks; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected struct `Vec`, found `&[Block]` [INFO] [stdout] | help: try using a conversion method: `new_blocks.to_vec()` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Vec` [INFO] [stdout] found reference `&[Block]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:161:57 [INFO] [stdout] | [INFO] [stdout] 161 | fn is_valid_chain(block_chain_to_validate: &[Block]) -> bool { [INFO] [stdout] | -------------- ^^^^ expected `bool`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "720de515715971e1964417e84bada852a60d53a4f79f813b72cd6f2e1ce7ad2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "720de515715971e1964417e84bada852a60d53a4f79f813b72cd6f2e1ce7ad2c", kill_on_drop: false }` [INFO] [stdout] 720de515715971e1964417e84bada852a60d53a4f79f813b72cd6f2e1ce7ad2c