[INFO] cloning repository https://github.com/Divoolej/binpeeks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Divoolej/binpeeks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDivoolej%2Fbinpeeks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDivoolej%2Fbinpeeks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 634d875505ca1a90f4691fc00b842f1220456679
[INFO] checking Divoolej/binpeeks against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDivoolej%2Fbinpeeks" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Divoolej/binpeeks on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Divoolej/binpeeks
[INFO] finished tweaking git repo https://github.com/Divoolej/binpeeks
[INFO] tweaked toml for git repo https://github.com/Divoolej/binpeeks written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Divoolej/binpeeks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta" "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] d6f56e45b76a5b74c2b751829a25e8dc40eb0b9602299642f8821a2cf2043d42
[INFO] running `Command { std: "docker" "start" "-a" "d6f56e45b76a5b74c2b751829a25e8dc40eb0b9602299642f8821a2cf2043d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6f56e45b76a5b74c2b751829a25e8dc40eb0b9602299642f8821a2cf2043d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f56e45b76a5b74c2b751829a25e8dc40eb0b9602299642f8821a2cf2043d42", kill_on_drop: false }`
[INFO] [stdout] d6f56e45b76a5b74c2b751829a25e8dc40eb0b9602299642f8821a2cf2043d42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62def317ccfac20a146b058d0607adc3e5dfc2e0ccaffeebd9a1c59cb63a37c8
[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" "62def317ccfac20a146b058d0607adc3e5dfc2e0ccaffeebd9a1c59cb63a37c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking signal-hook v0.1.8
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking binpeeks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Peeker`
[INFO] [stdout]  --> src/peeker.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Peeker {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/peeker.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |   pub fn new(file: File) -> Peeker {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Peeker`
[INFO] [stdout]  --> src/peeker.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Peeker {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/peeker.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |   pub fn new(file: File) -> Peeker {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.31s
[INFO] running `Command { std: "docker" "inspect" "62def317ccfac20a146b058d0607adc3e5dfc2e0ccaffeebd9a1c59cb63a37c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62def317ccfac20a146b058d0607adc3e5dfc2e0ccaffeebd9a1c59cb63a37c8", kill_on_drop: false }`
[INFO] [stdout] 62def317ccfac20a146b058d0607adc3e5dfc2e0ccaffeebd9a1c59cb63a37c8