[INFO] updating cached repository https://github.com/ashfordneil/net-tiger [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10c8cd7478f4e309b174f97771290dd58430c617 [INFO] testing ashfordneil/net-tiger against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashfordneil%2Fnet-tiger" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ashfordneil/net-tiger on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ashfordneil/net-tiger [INFO] finished tweaking git repo https://github.com/ashfordneil/net-tiger [INFO] tweaked toml for git repo https://github.com/ashfordneil/net-tiger written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/ashfordneil/net-tiger already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82efa11d5f2812f6b178f7e26ffdad5afaf5ff3b6efe3d93082c0f4cb1ead09f [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" "82efa11d5f2812f6b178f7e26ffdad5afaf5ff3b6efe3d93082c0f4cb1ead09f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82efa11d5f2812f6b178f7e26ffdad5afaf5ff3b6efe3d93082c0f4cb1ead09f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82efa11d5f2812f6b178f7e26ffdad5afaf5ff3b6efe3d93082c0f4cb1ead09f", kill_on_drop: false }` [INFO] [stdout] 82efa11d5f2812f6b178f7e26ffdad5afaf5ff3b6efe3d93082c0f4cb1ead09f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c855cb33352788c446bcbc24d64c5509cda740b82b7b1ed7fba0b75f3a43bb5a [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" "c855cb33352788c446bcbc24d64c5509cda740b82b7b1ed7fba0b75f3a43bb5a", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling futures-core v0.3.1 [INFO] [stderr] Compiling futures-sink v0.3.1 [INFO] [stderr] Compiling futures-io v0.3.1 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling tokio-sync v0.1.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stderr] Compiling socket2 v0.3.11 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling enum-as-inner v0.2.1 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling resolv-conf v0.6.2 [INFO] [stderr] Compiling futures-channel v0.3.1 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling tokio-threadpool v0.1.16 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling unicode-normalization v0.1.9 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-reactor v0.1.10 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-udp v0.1.5 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling url v2.1.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling structopt-derive v0.3.4 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling trust-dns-proto v0.8.0 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Compiling structopt v0.3.4 [INFO] [stderr] Compiling futures-util v0.3.1 [INFO] [stderr] Compiling trust-dns-resolver v0.12.0 [INFO] [stderr] Compiling futures-executor v0.3.1 [INFO] [stderr] Compiling futures v0.3.1 [INFO] [stderr] Compiling net-tiger v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `clone` [INFO] [stdout] --> src/executor/waker.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | unsafe fn clone(raw: *const ()) -> RawWaker { [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: `wake` [INFO] [stdout] --> src/executor/waker.rs:24:15 [INFO] [stdout] | [INFO] [stdout] 24 | unsafe fn wake(raw: *const ()) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `wake_by_ref` [INFO] [stdout] --> src/executor/waker.rs:30:15 [INFO] [stdout] | [INFO] [stdout] 30 | unsafe fn wake_by_ref(raw: *const ()) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `drop` [INFO] [stdout] --> src/executor/waker.rs:36:15 [INFO] [stdout] | [INFO] [stdout] 36 | unsafe fn drop(raw: *const ()) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `V_TABLE` [INFO] [stdout] --> src/executor/waker.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | / const V_TABLE: RawWakerVTable = [INFO] [stdout] 43 | | RawWakerVTable::new(Self::clone, Self::wake, Self::wake_by_ref, Self::drop); [INFO] [stdout] | |____________________________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_raw_waker` [INFO] [stdout] --> src/executor/waker.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn to_raw_waker(self) -> RawWaker { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_waker` [INFO] [stdout] --> src/executor/waker.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn to_waker(self) -> task::Waker { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `do_wake` [INFO] [stdout] --> src/executor/waker.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | fn do_wake(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Task` [INFO] [stdout] --> src/executor.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | type Task<'a, T> = Pin>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Executor` [INFO] [stdout] --> src/executor.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub struct Executor { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/executor.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `spawn` [INFO] [stdout] --> src/executor.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn spawn(&mut self, future: impl 'static + Future) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `complete` [INFO] [stdout] --> src/executor.rs:75:12 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn complete<'a, T>(&mut self, future: impl 'a + Future) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `take` [INFO] [stdout] --> src/reactor/stdin.rs:28:16 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn take() -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/reactor/stdin.rs:59:12 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn new() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `inner` [INFO] [stdout] --> src/reactor.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | inner: Poll, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `spin_` [INFO] [stdout] --> src/reactor.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | fn spin_(&self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `spin` [INFO] [stdout] --> src/reactor.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn spin() -> Result<(), Error> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/reactor.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `register` [INFO] [stdout] --> src/reactor.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | fn register(&self, io: &impl Evented, interest: Ready, opts: PollOpt) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 27s [INFO] running `Command { std: "docker" "inspect" "c855cb33352788c446bcbc24d64c5509cda740b82b7b1ed7fba0b75f3a43bb5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c855cb33352788c446bcbc24d64c5509cda740b82b7b1ed7fba0b75f3a43bb5a", kill_on_drop: false }` [INFO] [stdout] c855cb33352788c446bcbc24d64c5509cda740b82b7b1ed7fba0b75f3a43bb5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--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] cc225a8452fdf235162513621c78cf508fcc283d6b5b5004876f5c86584c04b5 [INFO] running `Command { std: "docker" "start" "-a" "cc225a8452fdf235162513621c78cf508fcc283d6b5b5004876f5c86584c04b5", kill_on_drop: false }` [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling rusty-fork v0.2.2 [INFO] [stderr] Compiling net-tiger v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `spawn` [INFO] [stdout] --> src/executor.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn spawn(&mut self, future: impl 'static + Future) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.56s [INFO] running `Command { std: "docker" "inspect" "cc225a8452fdf235162513621c78cf508fcc283d6b5b5004876f5c86584c04b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc225a8452fdf235162513621c78cf508fcc283d6b5b5004876f5c86584c04b5", kill_on_drop: false }` [INFO] [stdout] cc225a8452fdf235162513621c78cf508fcc283d6b5b5004876f5c86584c04b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1d46984cc1831eff40ed93c7ba3781cd5cfa927dfdc18b3e552cb05aec519be3 [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" "1d46984cc1831eff40ed93c7ba3781cd5cfa927dfdc18b3e552cb05aec519be3", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `spawn` [INFO] [stderr] --> src/executor.rs:61:12 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn spawn(&mut self, future: impl 'static + Future) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.48s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/nt-2a5cde4c2e19bd77 [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test executor::test::many_pauses ... ok [INFO] [stdout] test executor::test::immediate ... ok [INFO] [stdout] test executor::test::pause_once ... ok [INFO] [stdout] test reactor::stdin::test::echo_eventually ... ok [INFO] [stdout] test reactor::stdin::test::run_in_executor ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1d46984cc1831eff40ed93c7ba3781cd5cfa927dfdc18b3e552cb05aec519be3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d46984cc1831eff40ed93c7ba3781cd5cfa927dfdc18b3e552cb05aec519be3", kill_on_drop: false }` [INFO] [stdout] 1d46984cc1831eff40ed93c7ba3781cd5cfa927dfdc18b3e552cb05aec519be3