[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 try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKumassy%2Fnested-runtime" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Kumassy/nested-runtime on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e44a0c5b12844267df902b637afde02baeac01859c8871b0c72d7a6f7418c78 [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" "2e44a0c5b12844267df902b637afde02baeac01859c8871b0c72d7a6f7418c78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e44a0c5b12844267df902b637afde02baeac01859c8871b0c72d7a6f7418c78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e44a0c5b12844267df902b637afde02baeac01859c8871b0c72d7a6f7418c78", kill_on_drop: false }` [INFO] [stdout] 2e44a0c5b12844267df902b637afde02baeac01859c8871b0c72d7a6f7418c78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--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] 4452a41d35c95dd5930c8c6db55e9132b57fefa2decfe802cef39c6770bd7afd [INFO] running `Command { std: "docker" "start" "-a" "4452a41d35c95dd5930c8c6db55e9132b57fefa2decfe802cef39c6770bd7afd", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking mio-uds v0.6.7 [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: 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: 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: 5 warnings emitted [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.08s [INFO] running `Command { std: "docker" "inspect" "4452a41d35c95dd5930c8c6db55e9132b57fefa2decfe802cef39c6770bd7afd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4452a41d35c95dd5930c8c6db55e9132b57fefa2decfe802cef39c6770bd7afd", kill_on_drop: false }` [INFO] [stdout] 4452a41d35c95dd5930c8c6db55e9132b57fefa2decfe802cef39c6770bd7afd