[INFO] updating cached repository https://github.com/dyllonrc/HAROLD [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1f039766d4d86e1df8f5add167ac35c3fc691bf2 [INFO] checking dyllonrc/HAROLD against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyllonrc%2FHAROLD" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dyllonrc/HAROLD on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7 [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/dyllonrc/HAROLD [INFO] finished tweaking git repo https://github.com/dyllonrc/HAROLD [INFO] tweaked toml for git repo https://github.com/dyllonrc/HAROLD written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/dyllonrc/HAROLD already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 3a6ef122b1dcf7a0623ea7e40f8a089eda457eb39d8f91c9fd0c58205fbe7ca4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "3a6ef122b1dcf7a0623ea7e40f8a089eda457eb39d8f91c9fd0c58205fbe7ca4"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Compiling openssl-sys v0.9.42 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking tokio-threadpool v0.1.12 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking h2 v0.1.16 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Compiling openssl v0.10.19 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking lber v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio v0.1.16 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking hyper v0.12.25 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-uds v0.1.7 [INFO] [stderr] Checking tokio-tls v0.2.1 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Checking tokio-uds-proto v0.1.1 [INFO] [stderr] Checking ldap3 v0.6.1 [INFO] [stderr] Checking reqwest v0.9.11 [INFO] [stderr] Checking harold v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `BufWriter` [INFO] [stderr] --> src/main.rs:2:42 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::{BufReader, BufRead, Write, BufWriter}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `thread` [INFO] [stderr] --> src/main.rs:7:11 [INFO] [stderr] | [INFO] [stderr] 7 | use std::{thread}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 19 | / loop { [INFO] [stderr] 20 | | ibutton_loop(&mut reader); [INFO] [stderr] 21 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 28 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `BufWriter` [INFO] [stderr] --> src/main.rs:2:42 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::{BufReader, BufRead, Write, BufWriter}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `thread` [INFO] [stderr] --> src/main.rs:7:11 [INFO] [stderr] | [INFO] [stderr] 7 | use std::{thread}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 19 | / loop { [INFO] [stderr] 20 | | ibutton_loop(&mut reader); [INFO] [stderr] 21 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 28 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.36s [INFO] running `"docker" "inspect" "3a6ef122b1dcf7a0623ea7e40f8a089eda457eb39d8f91c9fd0c58205fbe7ca4"` [INFO] running `"docker" "rm" "-f" "3a6ef122b1dcf7a0623ea7e40f8a089eda457eb39d8f91c9fd0c58205fbe7ca4"` [INFO] [stdout] 3a6ef122b1dcf7a0623ea7e40f8a089eda457eb39d8f91c9fd0c58205fbe7ca4