[INFO] cloning repository https://github.com/juniuszhou/rust-local [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juniuszhou/rust-local" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuniuszhou%2Frust-local", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuniuszhou%2Frust-local'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 473c737a3c73b27beda6a61aa1d6690a0f5fba03 [INFO] testing juniuszhou/rust-local against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuniuszhou%2Frust-local" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/juniuszhou/rust-local on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/juniuszhou/rust-local [INFO] finished tweaking git repo https://github.com/juniuszhou/rust-local [INFO] tweaked toml for git repo https://github.com/juniuszhou/rust-local written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/juniuszhou/rust-local already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-task v1.0.0 [INFO] [stderr] Downloaded async-macros v2.0.0 [INFO] [stderr] Downloaded mio v0.6.20 [INFO] [stderr] Downloaded async-std v1.1.0 [INFO] running `Command { std: "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_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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd388169cb29df84d3bcb2c600a3c3f91fa8561a44ca0f936921ebfcf6a04f87 [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" "bd388169cb29df84d3bcb2c600a3c3f91fa8561a44ca0f936921ebfcf6a04f87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd388169cb29df84d3bcb2c600a3c3f91fa8561a44ca0f936921ebfcf6a04f87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd388169cb29df84d3bcb2c600a3c3f91fa8561a44ca0f936921ebfcf6a04f87", kill_on_drop: false }` [INFO] [stdout] bd388169cb29df84d3bcb2c600a3c3f91fa8561a44ca0f936921ebfcf6a04f87 [INFO] running `Command { std: "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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12871e83d56a60f8a567ea23c939eb779243e74b0edef2bce92cb0673df88fd5 [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" "12871e83d56a60f8a567ea23c939eb779243e74b0edef2bce92cb0673df88fd5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling serde v1.0.103 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling futures-core v0.3.1 [INFO] [stderr] Compiling same-file v1.0.5 [INFO] [stderr] Compiling futures-io v0.3.1 [INFO] [stderr] Compiling futures-timer v2.0.2 [INFO] [stderr] Compiling once_cell v1.2.0 [INFO] [stderr] Compiling pin-project-lite v0.1.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling async-macros v2.0.0 [INFO] [stderr] Compiling walkdir v2.2.9 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling async-task v1.0.0 [INFO] [stderr] Compiling mio v0.6.20 [INFO] [stderr] Compiling kv-log-macro v1.0.4 [INFO] [stderr] Compiling crossbeam-queue v0.2.0 [INFO] [stderr] Compiling crossbeam-channel v0.4.0 [INFO] [stderr] Compiling csv-core v0.1.6 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling rayon v1.2.1 [INFO] [stderr] Compiling async-std v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Compiling serde_json v1.0.42 [INFO] [stderr] Compiling bstr v0.2.8 [INFO] [stderr] Compiling csv v1.1.1 [INFO] [stderr] Compiling tinytemplate v1.0.2 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling rust-local v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `async_std::io` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use async_std::io; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reader` [INFO] [stdout] --> src/main.rs:13:14 [INFO] [stdout] | [INFO] [stdout] 13 | let (reader, writer) = &mut (&stream, &stream); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | writer.write_all(b"Hello from Jun").await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 28s [INFO] running `Command { std: "docker" "inspect" "12871e83d56a60f8a567ea23c939eb779243e74b0edef2bce92cb0673df88fd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12871e83d56a60f8a567ea23c939eb779243e74b0edef2bce92cb0673df88fd5", kill_on_drop: false }` [INFO] [stdout] 12871e83d56a60f8a567ea23c939eb779243e74b0edef2bce92cb0673df88fd5 [INFO] running `Command { std: "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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a71694095890a9a9b313875158b72751d3a41a31887ca3aa08371284ae19f24 [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" "1a71694095890a9a9b313875158b72751d3a41a31887ca3aa08371284ae19f24", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-local v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `async_std::io` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use async_std::io; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reader` [INFO] [stdout] --> src/main.rs:13:14 [INFO] [stdout] | [INFO] [stdout] 13 | let (reader, writer) = &mut (&stream, &stream); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | writer.write_all(b"Hello from Jun").await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 26.15s [INFO] running `Command { std: "docker" "inspect" "1a71694095890a9a9b313875158b72751d3a41a31887ca3aa08371284ae19f24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a71694095890a9a9b313875158b72751d3a41a31887ca3aa08371284ae19f24", kill_on_drop: false }` [INFO] [stdout] 1a71694095890a9a9b313875158b72751d3a41a31887ca3aa08371284ae19f24 [INFO] running `Command { std: "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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2bddbb9a90f592821a8d74c702ef40959e6e275cd7f5b1ee73ea52a8055f1455 [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" "2bddbb9a90f592821a8d74c702ef40959e6e275cd7f5b1ee73ea52a8055f1455", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `async_std::io` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use async_std::io; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reader` [INFO] [stderr] --> src/main.rs:13:14 [INFO] [stderr] | [INFO] [stderr] 13 | let (reader, writer) = &mut (&stream, &stream); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | writer.write_all(b"Hello from Jun").await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/local-411a18ffef0a85e4 [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 `Command { std: "docker" "inspect" "2bddbb9a90f592821a8d74c702ef40959e6e275cd7f5b1ee73ea52a8055f1455", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bddbb9a90f592821a8d74c702ef40959e6e275cd7f5b1ee73ea52a8055f1455", kill_on_drop: false }` [INFO] [stdout] 2bddbb9a90f592821a8d74c702ef40959e6e275cd7f5b1ee73ea52a8055f1455