[INFO] cloning repository https://github.com/EverlastingBugstopper/futures-unordered-sandbox
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EverlastingBugstopper/futures-unordered-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEverlastingBugstopper%2Ffutures-unordered-sandbox"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEverlastingBugstopper%2Ffutures-unordered-sandbox'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 54b7e42b9b9fa00b61b71aa379d4f29b806f3b89
[INFO] testing EverlastingBugstopper/futures-unordered-sandbox against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEverlastingBugstopper%2Ffutures-unordered-sandbox" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EverlastingBugstopper/futures-unordered-sandbox 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/EverlastingBugstopper/futures-unordered-sandbox
[INFO] finished tweaking git repo https://github.com/EverlastingBugstopper/futures-unordered-sandbox
[INFO] tweaked toml for git repo https://github.com/EverlastingBugstopper/futures-unordered-sandbox written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/EverlastingBugstopper/futures-unordered-sandbox 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] de867c03529eda4aa6269dfebf2eb8496b347bac41dede00ea574062ffedadba
[INFO] running `"docker" "start" "-a" "de867c03529eda4aa6269dfebf2eb8496b347bac41dede00ea574062ffedadba"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling futures-core v0.3.2
[INFO] [stderr]    Compiling futures-sink v0.3.2
[INFO] [stderr]    Compiling futures-io v0.3.2
[INFO] [stderr]    Compiling futures-task v0.3.2
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling tokio v0.2.11
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling futures-channel v0.3.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.2
[INFO] [stderr]    Compiling futures-executor v0.3.2
[INFO] [stderr]    Compiling futures v0.3.2
[INFO] [stderr]    Compiling async-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `start_time`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let start_time = Instant::now();
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.79s
[INFO] running `"docker" "inspect" "de867c03529eda4aa6269dfebf2eb8496b347bac41dede00ea574062ffedadba"`
[INFO] running `"docker" "rm" "-f" "de867c03529eda4aa6269dfebf2eb8496b347bac41dede00ea574062ffedadba"`
[INFO] [stdout] de867c03529eda4aa6269dfebf2eb8496b347bac41dede00ea574062ffedadba
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6a1a589715977f0104aee9f12e9ca616c0c45165233535e154a7a3d699f74c06
[INFO] running `"docker" "start" "-a" "6a1a589715977f0104aee9f12e9ca616c0c45165233535e154a7a3d699f74c06"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling async-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `start_time`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let start_time = Instant::now();
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "6a1a589715977f0104aee9f12e9ca616c0c45165233535e154a7a3d699f74c06"`
[INFO] running `"docker" "rm" "-f" "6a1a589715977f0104aee9f12e9ca616c0c45165233535e154a7a3d699f74c06"`
[INFO] [stdout] 6a1a589715977f0104aee9f12e9ca616c0c45165233535e154a7a3d699f74c06
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 21ecf0213e775954436d3db87d90b4fe59bc2295bd8936af3d71d666cf25cfde
[INFO] running `"docker" "start" "-a" "21ecf0213e775954436d3db87d90b4fe59bc2295bd8936af3d71d666cf25cfde"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `start_time`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let start_time = Instant::now();
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_sandbox-f59a575e2673742c
[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" "21ecf0213e775954436d3db87d90b4fe59bc2295bd8936af3d71d666cf25cfde"`
[INFO] running `"docker" "rm" "-f" "21ecf0213e775954436d3db87d90b4fe59bc2295bd8936af3d71d666cf25cfde"`
[INFO] [stdout] 21ecf0213e775954436d3db87d90b4fe59bc2295bd8936af3d71d666cf25cfde