[INFO] cloning repository https://github.com/pillserg/reuler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pillserg/reuler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpillserg%2Freuler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpillserg%2Freuler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 04080f5658cb74223f418ed7340ca8bd5d6c1d2e [INFO] checking pillserg/reuler against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpillserg%2Freuler" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pillserg/reuler 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/pillserg/reuler [INFO] finished tweaking git repo https://github.com/pillserg/reuler [INFO] tweaked toml for git repo https://github.com/pillserg/reuler written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/pillserg/reuler 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] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4dbf3857d8001acca237074e30e110e3f776cfe1db43e97ace5994aa86d171a6 [INFO] running `Command { std: "docker" "start" "-a" "4dbf3857d8001acca237074e30e110e3f776cfe1db43e97ace5994aa86d171a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4dbf3857d8001acca237074e30e110e3f776cfe1db43e97ace5994aa86d171a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dbf3857d8001acca237074e30e110e3f776cfe1db43e97ace5994aa86d171a6", kill_on_drop: false }` [INFO] [stdout] 4dbf3857d8001acca237074e30e110e3f776cfe1db43e97ace5994aa86d171a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d9e40b0eae9fc11b185a5a9468c18ac9b4d92ceedded8aca0a24d5cc6526dbef [INFO] running `Command { std: "docker" "start" "-a" "d9e40b0eae9fc11b185a5a9468c18ac9b4d92ceedded8aca0a24d5cc6526dbef", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.43 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-bigint v0.3.0 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking num-complex v0.3.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking num v0.3.0 [INFO] [stderr] Checking docopt v1.1.0 [INFO] [stderr] Checking reuler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved imports `std::num::One`, `std::num::Zero` [INFO] [stdout] --> src/problems/utils.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::num::{ One, Zero }; [INFO] [stdout] | ^^^ ^^^^ no `Zero` in `num` [INFO] [stdout] | | [INFO] [stdout] | no `One` in `num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/problems/problem_6.rs:14:14 [INFO] [stdout] | [INFO] [stdout] 14 | for x in (1..n){ [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `problems::utils` [INFO] [stdout] --> src/problems/problem_7.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use problems::utils; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/problems/primes.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | for x in (2..n) { [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/problems/utils.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `reuler` [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[E0432]: unresolved imports `std::num::One`, `std::num::Zero` [INFO] [stdout] --> src/problems/utils.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::num::{ One, Zero }; [INFO] [stdout] | ^^^ ^^^^ no `Zero` in `num` [INFO] [stdout] | | [INFO] [stdout] | no `One` in `num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/problems/problem_6.rs:14:14 [INFO] [stdout] | [INFO] [stdout] 14 | for x in (1..n){ [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `problems::utils` [INFO] [stdout] --> src/problems/problem_7.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use problems::utils; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/problems/primes.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | for x in (2..n) { [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/problems/utils.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d9e40b0eae9fc11b185a5a9468c18ac9b4d92ceedded8aca0a24d5cc6526dbef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9e40b0eae9fc11b185a5a9468c18ac9b4d92ceedded8aca0a24d5cc6526dbef", kill_on_drop: false }` [INFO] [stdout] d9e40b0eae9fc11b185a5a9468c18ac9b4d92ceedded8aca0a24d5cc6526dbef