[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#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[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 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] f38be95e553f302899e78f80b39443bcff8c804fe57a2ae3758cb3aad91a25f8
[INFO] running `"docker" "start" "-a" "f38be95e553f302899e78f80b39443bcff8c804fe57a2ae3758cb3aad91a25f8"`
[INFO] [stderr]    Compiling openssl v0.10.19
[INFO] [stderr]     Checking tokio-sync v0.1.3
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking libflate v0.1.21
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking lber v0.1.6
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.12
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.5
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio v0.1.16
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking tokio-uds v0.1.7
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking tokio-uds-proto v0.1.1
[INFO] [stderr]     Checking reqwest v0.9.11
[INFO] [stderr]     Checking ldap3 v0.6.1
[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: `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: `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: 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: 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 35.52s
[INFO] running `"docker" "inspect" "f38be95e553f302899e78f80b39443bcff8c804fe57a2ae3758cb3aad91a25f8"`
[INFO] running `"docker" "rm" "-f" "f38be95e553f302899e78f80b39443bcff8c804fe57a2ae3758cb3aad91a25f8"`
[INFO] [stdout] f38be95e553f302899e78f80b39443bcff8c804fe57a2ae3758cb3aad91a25f8