[INFO] cloning repository https://github.com/gideonw/tcp-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gideonw/tcp-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgideonw%2Ftcp-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgideonw%2Ftcp-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8814a11e80a4396c5a6f70b1a13df7b1b4beac17
[INFO] checking gideonw/tcp-test against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgideonw%2Ftcp-test" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gideonw/tcp-test
[INFO] finished tweaking git repo https://github.com/gideonw/tcp-test
[INFO] tweaked toml for git repo https://github.com/gideonw/tcp-test written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gideonw/tcp-test on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gideonw/tcp-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-sink v0.3.16
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded anyhow v1.0.42
[INFO] [stderr]   Downloaded futures-executor v0.3.16
[INFO] [stderr]   Downloaded futures-io v0.3.16
[INFO] [stderr]   Downloaded futures-channel v0.3.16
[INFO] [stderr]   Downloaded futures-task v0.3.16
[INFO] [stderr]   Downloaded futures-core v0.3.16
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded futures-macro v0.3.16
[INFO] [stderr]   Downloaded futures v0.3.16
[INFO] [stderr]   Downloaded tokio v1.9.0
[INFO] [stderr]   Downloaded futures-util v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bba23ef51509a9a5b74b89fab2cde5d0ad2178977fc1a35cb504f1d8b5a37d92
[INFO] running `Command { std: "docker" "start" "-a" "bba23ef51509a9a5b74b89fab2cde5d0ad2178977fc1a35cb504f1d8b5a37d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bba23ef51509a9a5b74b89fab2cde5d0ad2178977fc1a35cb504f1d8b5a37d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba23ef51509a9a5b74b89fab2cde5d0ad2178977fc1a35cb504f1d8b5a37d92", kill_on_drop: false }`
[INFO] [stdout] bba23ef51509a9a5b74b89fab2cde5d0ad2178977fc1a35cb504f1d8b5a37d92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75a4f2b6f92105f0dd32b0a6da1364aaca1c4d3148ada2b7a7b83bdf9b28acef
[INFO] running `Command { std: "docker" "start" "-a" "75a4f2b6f92105f0dd32b0a6da1364aaca1c4d3148ada2b7a7b83bdf9b28acef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tcp-tst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `join` in this scope
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         join!();
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these macros
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::future::join;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use futures::join;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use tokio::join;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp-tst` (bin "tcp-tst") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]    --> src/main.rs:215:17
[INFO] [stdout]     |
[INFO] [stdout] 215 |             for conn in self.tasks.iter() {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `join` in this scope
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         join!();
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these macros
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::future::join;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use futures::join;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use tokio::join;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]    --> src/main.rs:215:17
[INFO] [stdout]     |
[INFO] [stdout] 215 |             for conn in self.tasks.iter() {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp-tst` (bin "tcp-tst" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "75a4f2b6f92105f0dd32b0a6da1364aaca1c4d3148ada2b7a7b83bdf9b28acef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a4f2b6f92105f0dd32b0a6da1364aaca1c4d3148ada2b7a7b83bdf9b28acef", kill_on_drop: false }`
[INFO] [stdout] 75a4f2b6f92105f0dd32b0a6da1364aaca1c4d3148ada2b7a7b83bdf9b28acef