[INFO] updating cached repository https://github.com/polachok/test-tokio-fairness [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] dcc70c553cf8e3a08b6739a2280a7b235d63386c [INFO] testing polachok/test-tokio-fairness against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolachok%2Ftest-tokio-fairness" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/polachok/test-tokio-fairness on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/polachok/test-tokio-fairness [INFO] finished tweaking git repo https://github.com/polachok/test-tokio-fairness [INFO] tweaked toml for git repo https://github.com/polachok/test-tokio-fairness written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/polachok/test-tokio-fairness already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9eb9923f1a4a18ec1d1bf17c9291f081f9e329bc3cbdbf5b020ef7618809a3b4 [INFO] running `"docker" "start" "-a" "9eb9923f1a4a18ec1d1bf17c9291f081f9e329bc3cbdbf5b020ef7618809a3b4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling futures v0.1.23 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling lazycell v0.6.0 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling cc v1.0.23 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling errno v0.2.4 [INFO] [stderr] Compiling lock_api v0.1.3 [INFO] [stderr] Compiling bytes v0.4.9 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling scheduler v0.1.3 [INFO] [stderr] Compiling mio v0.6.15 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling crossbeam-deque v0.6.1 [INFO] [stderr] Compiling tsc v0.1.0 [INFO] [stderr] Compiling mio-uds v0.6.6 [INFO] [stderr] Compiling parking_lot_core v0.3.0 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling tokio-executor v0.1.4 [INFO] [stderr] Compiling tokio-io v0.1.8 [INFO] [stderr] Compiling tokio-threadpool v0.1.6 [INFO] [stderr] Compiling tokio-timer v0.2.6 [INFO] [stderr] Compiling tokio-current-thread v0.1.1 [INFO] [stderr] Compiling tokio-reactor v0.1.5 [INFO] [stderr] Compiling tokio-codec v0.1.0 [INFO] [stderr] Compiling tokio-fs v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.1 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio-tcp v0.1.1 [INFO] [stderr] Compiling tokio v0.1.8 [INFO] [stderr] Compiling test-tokio-fairness v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `TcpStream` [INFO] [stderr] --> src/main.rs:98:30 [INFO] [stderr] | [INFO] [stderr] 98 | use mio::net::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TcpStream` [INFO] [stderr] --> src/main.rs:158:30 [INFO] [stderr] | [INFO] [stderr] 158 | use mio::net::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:230:47 [INFO] [stderr] | [INFO] [stderr] 230 | }).or_else(move |err| { panic!("{}", err); Ok(Loop::Break(())) }) [INFO] [stderr] | ------------------ ^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | | [INFO] [stderr] | any code following this expression is unreachable [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.25s [INFO] running `"docker" "inspect" "9eb9923f1a4a18ec1d1bf17c9291f081f9e329bc3cbdbf5b020ef7618809a3b4"` [INFO] running `"docker" "rm" "-f" "9eb9923f1a4a18ec1d1bf17c9291f081f9e329bc3cbdbf5b020ef7618809a3b4"` [INFO] [stdout] 9eb9923f1a4a18ec1d1bf17c9291f081f9e329bc3cbdbf5b020ef7618809a3b4 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=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" "+beta-2020-06-03" "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] d17dafbad489a0416357ed5e22f6ce239822850f7008c0404d6faf9f2342e00f [INFO] running `"docker" "start" "-a" "d17dafbad489a0416357ed5e22f6ce239822850f7008c0404d6faf9f2342e00f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling test-tokio-fairness v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `TcpStream` [INFO] [stderr] --> src/main.rs:98:30 [INFO] [stderr] | [INFO] [stderr] 98 | use mio::net::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TcpStream` [INFO] [stderr] --> src/main.rs:158:30 [INFO] [stderr] | [INFO] [stderr] 158 | use mio::net::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:230:47 [INFO] [stderr] | [INFO] [stderr] 230 | }).or_else(move |err| { panic!("{}", err); Ok(Loop::Break(())) }) [INFO] [stderr] | ------------------ ^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | | [INFO] [stderr] | any code following this expression is unreachable [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `"docker" "inspect" "d17dafbad489a0416357ed5e22f6ce239822850f7008c0404d6faf9f2342e00f"` [INFO] running `"docker" "rm" "-f" "d17dafbad489a0416357ed5e22f6ce239822850f7008c0404d6faf9f2342e00f"` [INFO] [stdout] d17dafbad489a0416357ed5e22f6ce239822850f7008c0404d6faf9f2342e00f [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=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" "+beta-2020-06-03" "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] 2a2517ff8dab4600dbb8b942b70cb3782c75a813ff2279995f6d8ef979c124da [INFO] running `"docker" "start" "-a" "2a2517ff8dab4600dbb8b942b70cb3782c75a813ff2279995f6d8ef979c124da"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `TcpStream` [INFO] [stderr] --> src/main.rs:98:30 [INFO] [stderr] | [INFO] [stderr] 98 | use mio::net::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TcpStream` [INFO] [stderr] --> src/main.rs:158:30 [INFO] [stderr] | [INFO] [stderr] 158 | use mio::net::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:230:47 [INFO] [stderr] | [INFO] [stderr] 230 | }).or_else(move |err| { panic!("{}", err); Ok(Loop::Break(())) }) [INFO] [stderr] | ------------------ ^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | | [INFO] [stderr] | any code following this expression is unreachable [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/test_tokio_fairness-1ddfb6accb148d11 [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" "2a2517ff8dab4600dbb8b942b70cb3782c75a813ff2279995f6d8ef979c124da"` [INFO] running `"docker" "rm" "-f" "2a2517ff8dab4600dbb8b942b70cb3782c75a813ff2279995f6d8ef979c124da"` [INFO] [stdout] 2a2517ff8dab4600dbb8b942b70cb3782c75a813ff2279995f6d8ef979c124da