[INFO] cloning repository https://github.com/NathanFrasier/rust-rep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NathanFrasier/rust-rep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanFrasier%2Frust-rep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanFrasier%2Frust-rep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 206db942fb56c9936f7ac78cc417ae4351a738bb
[INFO] testing NathanFrasier/rust-rep against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanFrasier%2Frust-rep" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NathanFrasier/rust-rep on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NathanFrasier/rust-rep
[INFO] finished tweaking git repo https://github.com/NathanFrasier/rust-rep
[INFO] tweaked toml for git repo https://github.com/NathanFrasier/rust-rep written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/NathanFrasier/rust-rep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 27acf7b4894b052811a53caae0018d470f96b44ab859b8366377b1bb7124ee56
[INFO] running `Command { std: "docker" "start" "-a" "27acf7b4894b052811a53caae0018d470f96b44ab859b8366377b1bb7124ee56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27acf7b4894b052811a53caae0018d470f96b44ab859b8366377b1bb7124ee56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27acf7b4894b052811a53caae0018d470f96b44ab859b8366377b1bb7124ee56", kill_on_drop: false }`
[INFO] [stdout] 27acf7b4894b052811a53caae0018d470f96b44ab859b8366377b1bb7124ee56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] bdbf946bf2da57581dd418249c8192d0b8b20d1cc66bbcde7ae70b7ab28f94a3
[INFO] running `Command { std: "docker" "start" "-a" "bdbf946bf2da57581dd418249c8192d0b8b20d1cc66bbcde7ae70b7ab28f94a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling rust_rep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/main.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn serve(filename:&str, connection:&str) {
[INFO] [stdout]    |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> src/main.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn serve(filename:&str, connection:&str) {
[INFO] [stdout]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_info`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> src/main.rs:71:27
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stdout]    |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/main.rs:71:44
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_info`
[INFO] [stdout]   --> src/main.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn leech(server_info:&str, output:&str) {
[INFO] [stdout]    |          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/main.rs:75:28
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn leech(server_info:&str, output:&str) {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.58s
[INFO] running `Command { std: "docker" "inspect" "bdbf946bf2da57581dd418249c8192d0b8b20d1cc66bbcde7ae70b7ab28f94a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdbf946bf2da57581dd418249c8192d0b8b20d1cc66bbcde7ae70b7ab28f94a3", kill_on_drop: false }`
[INFO] [stdout] bdbf946bf2da57581dd418249c8192d0b8b20d1cc66bbcde7ae70b7ab28f94a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a867a68715d8742337ce30965859de14c47d93bc3026534fcfc5d0d1e021149
[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" "3a867a68715d8742337ce30965859de14c47d93bc3026534fcfc5d0d1e021149", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_rep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/main.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn serve(filename:&str, connection:&str) {
[INFO] [stdout]    |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> src/main.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn serve(filename:&str, connection:&str) {
[INFO] [stdout]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_info`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> src/main.rs:71:27
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stdout]    |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/main.rs:71:44
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_info`
[INFO] [stdout]   --> src/main.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn leech(server_info:&str, output:&str) {
[INFO] [stdout]    |          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/main.rs:75:28
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn leech(server_info:&str, output:&str) {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "3a867a68715d8742337ce30965859de14c47d93bc3026534fcfc5d0d1e021149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a867a68715d8742337ce30965859de14c47d93bc3026534fcfc5d0d1e021149", kill_on_drop: false }`
[INFO] [stdout] 3a867a68715d8742337ce30965859de14c47d93bc3026534fcfc5d0d1e021149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] fb3f265ef4f9af916c8b48230c50a2838ae0b199448f1fea8d02804906022316
[INFO] running `Command { std: "docker" "start" "-a" "fb3f265ef4f9af916c8b48230c50a2838ae0b199448f1fea8d02804906022316", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:68:10
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 68 | fn serve(filename:&str, connection:&str) {
[INFO] [stdout] 
[INFO] [stderr]    |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection`
[INFO] [stderr]   --> src/main.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn serve(filename:&str, connection:&str) {
[INFO] [stderr]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_info`
[INFO] [stderr]   --> src/main.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection`
[INFO] [stderr]   --> src/main.rs:71:27
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stderr]    |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/main.rs:71:44
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn seed(server_info:&str, connection:&str, output:&str) {
[INFO] [stderr]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_info`
[INFO] [stderr]   --> src/main.rs:75:10
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn leech(server_info:&str, output:&str) {
[INFO] [stderr]    |          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/main.rs:75:28
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn leech(server_info:&str, output:&str) {
[INFO] [stderr]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_rep-fb9a1ae7386a8ace
[INFO] running `Command { std: "docker" "inspect" "fb3f265ef4f9af916c8b48230c50a2838ae0b199448f1fea8d02804906022316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb3f265ef4f9af916c8b48230c50a2838ae0b199448f1fea8d02804906022316", kill_on_drop: false }`
[INFO] [stdout] fb3f265ef4f9af916c8b48230c50a2838ae0b199448f1fea8d02804906022316