[INFO] cloning repository https://github.com/Kumassy/nested-runtime
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKumassy%2Fnested-runtime'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aee3c7558a5206041b19ab5b444af4ec822f3361
[INFO] testing Kumassy/nested-runtime against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKumassy%2Fnested-runtime" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kumassy/nested-runtime 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/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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Kumassy/nested-runtime 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ab0bab48a692b8032f7be3e68a0204f6012ec8d4e970f63596464a030ae0a44b
[INFO] running `"docker" "start" "-a" "ab0bab48a692b8032f7be3e68a0204f6012ec8d4e970f63596464a030ae0a44b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling arc-swap v0.4.5
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling nested-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Builder`
[INFO] [stderr]  --> src/main.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use tokio::runtime::{Runtime, Builder};
[INFO] [stderr]   |                               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Instant`
[INFO] [stderr]  --> src/main.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufWriter`
[INFO] [stderr]  --> src/main.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{BufReader, BufWriter};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug`, `error`, `info`
[INFO] [stderr]   --> src/main.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 | use log::{error, warn, info, debug};
[INFO] [stderr]    |           ^^^^^        ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let (mut tx, mut rx) = mpsc::unbounded_channel();
[INFO] [stderr]    |          ----^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.23s
[INFO] running `"docker" "inspect" "ab0bab48a692b8032f7be3e68a0204f6012ec8d4e970f63596464a030ae0a44b"`
[INFO] running `"docker" "rm" "-f" "ab0bab48a692b8032f7be3e68a0204f6012ec8d4e970f63596464a030ae0a44b"`
[INFO] [stdout] ab0bab48a692b8032f7be3e68a0204f6012ec8d4e970f63596464a030ae0a44b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] fc76872e30a3278e2ad443b9087e42ef0dbd5960bef43c62ee0cfc52b79553ad
[INFO] running `"docker" "start" "-a" "fc76872e30a3278e2ad443b9087e42ef0dbd5960bef43c62ee0cfc52b79553ad"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nested-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Builder`
[INFO] [stderr]  --> src/main.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use tokio::runtime::{Runtime, Builder};
[INFO] [stderr]   |                               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Instant`
[INFO] [stderr]  --> src/main.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufWriter`
[INFO] [stderr]  --> src/main.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{BufReader, BufWriter};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug`, `error`, `info`
[INFO] [stderr]   --> src/main.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 | use log::{error, warn, info, debug};
[INFO] [stderr]    |           ^^^^^        ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let (mut tx, mut rx) = mpsc::unbounded_channel();
[INFO] [stderr]    |          ----^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "fc76872e30a3278e2ad443b9087e42ef0dbd5960bef43c62ee0cfc52b79553ad"`
[INFO] running `"docker" "rm" "-f" "fc76872e30a3278e2ad443b9087e42ef0dbd5960bef43c62ee0cfc52b79553ad"`
[INFO] [stdout] fc76872e30a3278e2ad443b9087e42ef0dbd5960bef43c62ee0cfc52b79553ad
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 92b0fe12787987984fe03d2104b56352325d4c981921eefa11578e3ecf534c54
[INFO] running `"docker" "start" "-a" "92b0fe12787987984fe03d2104b56352325d4c981921eefa11578e3ecf534c54"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `Builder`
[INFO] [stderr]  --> src/main.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use tokio::runtime::{Runtime, Builder};
[INFO] [stderr]   |                               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Instant`
[INFO] [stderr]  --> src/main.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufWriter`
[INFO] [stderr]  --> src/main.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{BufReader, BufWriter};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug`, `error`, `info`
[INFO] [stderr]   --> src/main.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 | use log::{error, warn, info, debug};
[INFO] [stderr]    |           ^^^^^        ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let (mut tx, mut rx) = mpsc::unbounded_channel();
[INFO] [stderr]    |          ----^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nested_runtime-5245740715861ff2
[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" "92b0fe12787987984fe03d2104b56352325d4c981921eefa11578e3ecf534c54"`
[INFO] running `"docker" "rm" "-f" "92b0fe12787987984fe03d2104b56352325d4c981921eefa11578e3ecf534c54"`
[INFO] [stdout] 92b0fe12787987984fe03d2104b56352325d4c981921eefa11578e3ecf534c54