[INFO] cloning repository https://github.com/Kumassy/nested-runtime [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kumassy/nested-runtime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKumassy%2Fnested-runtime", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKumassy%2Fnested-runtime'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aee3c7558a5206041b19ab5b444af4ec822f3361 [INFO] checking Kumassy/nested-runtime against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKumassy%2Fnested-runtime" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Kumassy/nested-runtime on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Kumassy/nested-runtime [INFO] finished tweaking git repo https://github.com/Kumassy/nested-runtime [INFO] tweaked toml for git repo https://github.com/Kumassy/nested-runtime written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/Kumassy/nested-runtime already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3764784165527fa0660d8d00323dda8fa5e67527bce1ab610d382b29db0f1b3 [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" "d3764784165527fa0660d8d00323dda8fa5e67527bce1ab610d382b29db0f1b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3764784165527fa0660d8d00323dda8fa5e67527bce1ab610d382b29db0f1b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3764784165527fa0660d8d00323dda8fa5e67527bce1ab610d382b29db0f1b3", kill_on_drop: false }` [INFO] [stdout] d3764784165527fa0660d8d00323dda8fa5e67527bce1ab610d382b29db0f1b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76a177f7853c70478bad0b29683402980fd524549c7af94cb9c5cd3964c9814f [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" "76a177f7853c70478bad0b29683402980fd524549c7af94cb9c5cd3964c9814f", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking arc-swap v0.4.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking tokio v0.2.13 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking nested-runtime v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Builder` [INFO] [stdout] --> src/main.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use tokio::runtime::{Runtime, Builder}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/main.rs:7:27 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufWriter` [INFO] [stdout] --> src/main.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::{BufReader, BufWriter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `debug`, `error`, `info` [INFO] [stdout] --> src/main.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | use log::{error, warn, info, debug}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Builder` [INFO] [stdout] --> src/main.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use tokio::runtime::{Runtime, Builder}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/main.rs:7:27 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufWriter` [INFO] [stdout] --> src/main.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::{BufReader, BufWriter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `debug`, `error`, `info` [INFO] [stdout] --> src/main.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | use log::{error, warn, info, debug}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | let (mut tx, mut rx) = mpsc::unbounded_channel(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | let (mut tx, mut rx) = mpsc::unbounded_channel(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.88s [INFO] running `Command { std: "docker" "inspect" "76a177f7853c70478bad0b29683402980fd524549c7af94cb9c5cd3964c9814f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76a177f7853c70478bad0b29683402980fd524549c7af94cb9c5cd3964c9814f", kill_on_drop: false }` [INFO] [stdout] 76a177f7853c70478bad0b29683402980fd524549c7af94cb9c5cd3964c9814f