[INFO] updating cached repository https://github.com/NathanJang/tokio-read-to-end-demo [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] 16c685beb026642e4975aeb289c15e5323052f5c [INFO] testing NathanJang/tokio-read-to-end-demo against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanJang%2Ftokio-read-to-end-demo" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NathanJang/tokio-read-to-end-demo 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/NathanJang/tokio-read-to-end-demo [INFO] finished tweaking git repo https://github.com/NathanJang/tokio-read-to-end-demo [INFO] tweaked toml for git repo https://github.com/NathanJang/tokio-read-to-end-demo written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/NathanJang/tokio-read-to-end-demo 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] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2eea157a034f06c92e334a2a5a39ee9333b96dcceb9cf0f18964499a52ef8b15 [INFO] running `"docker" "start" "-a" "2eea157a034f06c92e334a2a5a39ee9333b96dcceb9cf0f18964499a52ef8b15"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling crossbeam-queue v0.2.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-uds v0.2.6 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-read-to-end-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `Reading` [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | Reading { a: A, buf: Vec }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_to_end` [INFO] [stderr] --> src/main.rs:50:4 [INFO] [stderr] | [INFO] [stderr] 50 | fn read_to_end(a: A, buf: Vec) -> ReadToEnd [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.18s [INFO] running `"docker" "inspect" "2eea157a034f06c92e334a2a5a39ee9333b96dcceb9cf0f18964499a52ef8b15"` [INFO] running `"docker" "rm" "-f" "2eea157a034f06c92e334a2a5a39ee9333b96dcceb9cf0f18964499a52ef8b15"` [INFO] [stdout] 2eea157a034f06c92e334a2a5a39ee9333b96dcceb9cf0f18964499a52ef8b15 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d69b01b09c52077f18a45aa1ddebf90a3a7688731f3f82e792611974d254761a [INFO] running `"docker" "start" "-a" "d69b01b09c52077f18a45aa1ddebf90a3a7688731f3f82e792611974d254761a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling tokio-read-to-end-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `Reading` [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | Reading { a: A, buf: Vec }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_to_end` [INFO] [stderr] --> src/main.rs:50:4 [INFO] [stderr] | [INFO] [stderr] 50 | fn read_to_end(a: A, buf: Vec) -> ReadToEnd [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `"docker" "inspect" "d69b01b09c52077f18a45aa1ddebf90a3a7688731f3f82e792611974d254761a"` [INFO] running `"docker" "rm" "-f" "d69b01b09c52077f18a45aa1ddebf90a3a7688731f3f82e792611974d254761a"` [INFO] [stdout] d69b01b09c52077f18a45aa1ddebf90a3a7688731f3f82e792611974d254761a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] bc7481cad06978f517fc3dc8ac038e468ecce3fd7419eb12500c5822ac0f80b9 [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" "bc7481cad06978f517fc3dc8ac038e468ecce3fd7419eb12500c5822ac0f80b9"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: variant is never constructed: `Reading` [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | Reading { a: A, buf: Vec }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_to_end` [INFO] [stderr] --> src/main.rs:50:4 [INFO] [stderr] | [INFO] [stderr] 50 | fn read_to_end(a: A, buf: Vec) -> ReadToEnd [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tokio_read_to_end_demo-038fd2172962a304 [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" "bc7481cad06978f517fc3dc8ac038e468ecce3fd7419eb12500c5822ac0f80b9"` [INFO] running `"docker" "rm" "-f" "bc7481cad06978f517fc3dc8ac038e468ecce3fd7419eb12500c5822ac0f80b9"` [INFO] [stdout] bc7481cad06978f517fc3dc8ac038e468ecce3fd7419eb12500c5822ac0f80b9