[INFO] fetching crate persia-futures 0.1.0...
[INFO] testing persia-futures-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate persia-futures 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate persia-futures 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate persia-futures 0.1.0
[INFO] finished tweaking crates.io crate persia-futures 0.1.0
[INFO] tweaked toml for crates.io crate persia-futures 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-micro v0.3.1
[INFO] [stderr]   Downloaded async-net v1.6.1
[INFO] [stderr]   Downloaded nanorand v0.4.4
[INFO] [stderr]   Downloaded async-fs v1.5.0
[INFO] [stderr]   Downloaded async-compat v0.1.4
[INFO] [stderr]   Downloaded async-oneshot v0.4.2
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded smol-timeout v0.6.0
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 872fe79acc952281e28839c4d8586d2defade35ba12cd9c31e962497d96dc9f3
[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" "872fe79acc952281e28839c4d8586d2defade35ba12cd9c31e962497d96dc9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "872fe79acc952281e28839c4d8586d2defade35ba12cd9c31e962497d96dc9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872fe79acc952281e28839c4d8586d2defade35ba12cd9c31e962497d96dc9f3", kill_on_drop: false }`
[INFO] [stdout] 872fe79acc952281e28839c4d8586d2defade35ba12cd9c31e962497d96dc9f3
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 053d751df67f95f2ba4bdb90418c2c159d1e7511d10cc637496a6e01e98ff0e3
[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" "053d751df67f95f2ba4bdb90418c2c159d1e7511d10cc637496a6e01e98ff0e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-micro v0.3.1
[INFO] [stderr]    Compiling easy-parallel v3.1.0
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling async-oneshot v0.4.2
[INFO] [stderr]    Compiling nanorand v0.4.4
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling flume v0.9.2
[INFO] [stderr]    Compiling async-net v1.6.1
[INFO] [stderr]    Compiling async-process v1.2.0
[INFO] [stderr]    Compiling smol-timeout v0.6.0
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling async-compat v0.1.4
[INFO] [stderr]    Compiling persia-futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.95s
[INFO] running `Command { std: "docker" "inspect" "053d751df67f95f2ba4bdb90418c2c159d1e7511d10cc637496a6e01e98ff0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053d751df67f95f2ba4bdb90418c2c159d1e7511d10cc637496a6e01e98ff0e3", kill_on_drop: false }`
[INFO] [stdout] 053d751df67f95f2ba4bdb90418c2c159d1e7511d10cc637496a6e01e98ff0e3
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--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] a001c89e93512e378ca76b1be56d9bde5fc272882fb6d3c1e95a85ef807876db
[INFO] running `Command { std: "docker" "start" "-a" "a001c89e93512e378ca76b1be56d9bde5fc272882fb6d3c1e95a85ef807876db", kill_on_drop: false }`
[INFO] [stderr]    Compiling persia-futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "a001c89e93512e378ca76b1be56d9bde5fc272882fb6d3c1e95a85ef807876db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a001c89e93512e378ca76b1be56d9bde5fc272882fb6d3c1e95a85ef807876db", kill_on_drop: false }`
[INFO] [stdout] a001c89e93512e378ca76b1be56d9bde5fc272882fb6d3c1e95a85ef807876db
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5156791a59d606d63502b2774e237868dc4e30975231cf5c441d93c4374221e
[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" "e5156791a59d606d63502b2774e237868dc4e30975231cf5c441d93c4374221e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/persia_futures-ebb9fa25c0bad132)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests persia-futures
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5156791a59d606d63502b2774e237868dc4e30975231cf5c441d93c4374221e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5156791a59d606d63502b2774e237868dc4e30975231cf5c441d93c4374221e", kill_on_drop: false }`
[INFO] [stdout] e5156791a59d606d63502b2774e237868dc4e30975231cf5c441d93c4374221e