[INFO] updating cached repository https://github.com/zklapow/duplex
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 6590429dc4552c62fdba46c2ca0a811f835e4b92
[INFO] testing zklapow/duplex against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzklapow%2Fduplex" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zklapow/duplex on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zklapow/duplex
[INFO] finished tweaking git repo https://github.com/zklapow/duplex
[INFO] tweaked toml for git repo https://github.com/zklapow/duplex written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zklapow/duplex already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] f2e71cac5599de6cb3ddd6f4f43c1fddee225f494040af1b1f0449535bd37ae9
[INFO] running `"docker" "start" "-a" "f2e71cac5599de6cb3ddd6f4f43c1fddee225f494040af1b1f0449535bd37ae9"`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling futures v0.1.13
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling vec_map v0.7.0
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling net2 v0.2.27
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling bytes v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling clap v2.23.3
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling mio v0.6.7
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling tokio-io v0.1.1
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling chrono v0.3.1
[INFO] [stderr]    Compiling tokio-core v0.1.6
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling duplex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/proxy.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Shutdown`
[INFO] [stderr]  --> src/proxy.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::net::{Shutdown, SocketAddr};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncWrite`
[INFO] [stderr]  --> src/proxy.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio_io::{AsyncRead, AsyncWrite};
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `shutdown`
[INFO] [stderr]   --> src/proxy.rs:10:26
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tokio_io::io::{copy, shutdown};
[INFO] [stderr]    |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let res = match matches.subcommand() {
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.99s
[INFO] running `"docker" "inspect" "f2e71cac5599de6cb3ddd6f4f43c1fddee225f494040af1b1f0449535bd37ae9"`
[INFO] running `"docker" "rm" "-f" "f2e71cac5599de6cb3ddd6f4f43c1fddee225f494040af1b1f0449535bd37ae9"`
[INFO] [stdout] f2e71cac5599de6cb3ddd6f4f43c1fddee225f494040af1b1f0449535bd37ae9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d48a9e3c7d8f0c59f81f327bacfb2b2f8975a98d22cc8de142b1bece990b1e85
[INFO] running `"docker" "start" "-a" "d48a9e3c7d8f0c59f81f327bacfb2b2f8975a98d22cc8de142b1bece990b1e85"`
[INFO] [stderr]    Compiling duplex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/proxy.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Shutdown`
[INFO] [stderr]  --> src/proxy.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::net::{Shutdown, SocketAddr};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncWrite`
[INFO] [stderr]  --> src/proxy.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio_io::{AsyncRead, AsyncWrite};
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `shutdown`
[INFO] [stderr]   --> src/proxy.rs:10:26
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tokio_io::io::{copy, shutdown};
[INFO] [stderr]    |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let res = match matches.subcommand() {
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "d48a9e3c7d8f0c59f81f327bacfb2b2f8975a98d22cc8de142b1bece990b1e85"`
[INFO] running `"docker" "rm" "-f" "d48a9e3c7d8f0c59f81f327bacfb2b2f8975a98d22cc8de142b1bece990b1e85"`
[INFO] [stdout] d48a9e3c7d8f0c59f81f327bacfb2b2f8975a98d22cc8de142b1bece990b1e85
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 67a4f811b6cfece2a2cb25d79b7f1b2868b8fb7148829079e5329317daa37dc6
[INFO] running `"docker" "start" "-a" "67a4f811b6cfece2a2cb25d79b7f1b2868b8fb7148829079e5329317daa37dc6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/duplex-6a7dbd3cce55ea39
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "67a4f811b6cfece2a2cb25d79b7f1b2868b8fb7148829079e5329317daa37dc6"`
[INFO] running `"docker" "rm" "-f" "67a4f811b6cfece2a2cb25d79b7f1b2868b8fb7148829079e5329317daa37dc6"`
[INFO] [stdout] 67a4f811b6cfece2a2cb25d79b7f1b2868b8fb7148829079e5329317daa37dc6