[INFO] updating cached repository https://github.com/davidbarsky/stuff
[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] 7cf9aa9684da4e3fffc7cdb5556bb65fb7d29af5
[INFO] testing davidbarsky/stuff against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbarsky%2Fstuff" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidbarsky/stuff on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/davidbarsky/stuff
[INFO] finished tweaking git repo https://github.com/davidbarsky/stuff
[INFO] tweaked toml for git repo https://github.com/davidbarsky/stuff written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/davidbarsky/stuff already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] 72e6c1e998e6490cf9669060298ebe836abc8e22e25f0933baa65a555847701f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "72e6c1e998e6490cf9669060298ebe836abc8e22e25f0933baa65a555847701f"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.0.8
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-util v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.3
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tower-limit v0.3.0
[INFO] [stderr]    Compiling tower-buffer v0.3.0
[INFO] [stderr]    Compiling tower-timeout v0.3.0
[INFO] [stderr]    Compiling tower-retry v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.2
[INFO] [stderr]    Compiling tower v0.3.1
[INFO] [stderr]    Compiling hyper v0.13.3
[INFO] [stderr]    Compiling stuff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `chan`
[INFO] [stderr]   --> src/sim_stream.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub(crate) fn chan() -> (SimStream, SimStream) {
[INFO] [stderr]    |               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/sim_stream.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn new() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `"docker" "inspect" "72e6c1e998e6490cf9669060298ebe836abc8e22e25f0933baa65a555847701f"`
[INFO] running `"docker" "rm" "-f" "72e6c1e998e6490cf9669060298ebe836abc8e22e25f0933baa65a555847701f"`
[INFO] [stdout] 72e6c1e998e6490cf9669060298ebe836abc8e22e25f0933baa65a555847701f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 356b3be64d6f743473218eb50a380323554d4ff4ccdd7ba4eb9561208f6be6f1
[INFO] running `"docker" "start" "-a" "356b3be64d6f743473218eb50a380323554d4ff4ccdd7ba4eb9561208f6be6f1"`
[INFO] [stderr]    Compiling stuff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `SimStream`, `SimulatedConnector`
[INFO] [stderr]   --> src/main.rs:79:28
[INFO] [stderr]    |
[INFO] [stderr] 79 |         sim_stream::{chan, SimStream, SimulatedConnector},
[INFO] [stderr]    |                            ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.69s
[INFO] running `"docker" "inspect" "356b3be64d6f743473218eb50a380323554d4ff4ccdd7ba4eb9561208f6be6f1"`
[INFO] running `"docker" "rm" "-f" "356b3be64d6f743473218eb50a380323554d4ff4ccdd7ba4eb9561208f6be6f1"`
[INFO] [stdout] 356b3be64d6f743473218eb50a380323554d4ff4ccdd7ba4eb9561208f6be6f1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 813c599f34464179e7bc5c50108ad259cd3dd2292cdf80fba132254dfa36cdd8
[INFO] running `"docker" "start" "-a" "813c599f34464179e7bc5c50108ad259cd3dd2292cdf80fba132254dfa36cdd8"`
[INFO] [stderr] warning: unused imports: `SimStream`, `SimulatedConnector`
[INFO] [stderr]   --> src/main.rs:79:28
[INFO] [stderr]    |
[INFO] [stderr] 79 |         sim_stream::{chan, SimStream, SimulatedConnector},
[INFO] [stderr]    |                            ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stuff-5ee9dab86baf1935
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sim_stream::tests::ends_should_talk_to_each_other ... ok
[INFO] [stdout] test tests::test_stream_handler ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "813c599f34464179e7bc5c50108ad259cd3dd2292cdf80fba132254dfa36cdd8"`
[INFO] running `"docker" "rm" "-f" "813c599f34464179e7bc5c50108ad259cd3dd2292cdf80fba132254dfa36cdd8"`
[INFO] [stdout] 813c599f34464179e7bc5c50108ad259cd3dd2292cdf80fba132254dfa36cdd8