[INFO] fetching crate stratum-client 0.9.19...
[INFO] testing stratum-client-0.9.19 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate stratum-client 0.9.19 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stratum-client 0.9.19 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stratum-client 0.9.19
[INFO] finished tweaking crates.io crate stratum-client 0.9.19
[INFO] tweaked toml for crates.io crate stratum-client 0.9.19 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b739d73fef1833139432e364979c3f2e976353e01a24248390fb4a5f5c0308b1
[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" "b739d73fef1833139432e364979c3f2e976353e01a24248390fb4a5f5c0308b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b739d73fef1833139432e364979c3f2e976353e01a24248390fb4a5f5c0308b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b739d73fef1833139432e364979c3f2e976353e01a24248390fb4a5f5c0308b1", kill_on_drop: false }`
[INFO] [stdout] b739d73fef1833139432e364979c3f2e976353e01a24248390fb4a5f5c0308b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cac85b6915c4682412d2f530179c483c62402fb5c0eb46d28b5abf98e313f34
[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" "0cac85b6915c4682412d2f530179c483c62402fb5c0eb46d28b5abf98e313f34", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling serde_tuple v0.4.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling stratum-types v0.9.25
[INFO] [stderr]    Compiling stratum-client v0.9.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.45s
[INFO] running `Command { std: "docker" "inspect" "0cac85b6915c4682412d2f530179c483c62402fb5c0eb46d28b5abf98e313f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cac85b6915c4682412d2f530179c483c62402fb5c0eb46d28b5abf98e313f34", kill_on_drop: false }`
[INFO] [stdout] 0cac85b6915c4682412d2f530179c483c62402fb5c0eb46d28b5abf98e313f34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a8018c7a0f519907ee5a2d6b3faaca4854c70b473d9381c94037698a09a688c
[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" "1a8018c7a0f519907ee5a2d6b3faaca4854c70b473d9381c94037698a09a688c", kill_on_drop: false }`
[INFO] [stderr]    Compiling stratum-client v0.9.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "1a8018c7a0f519907ee5a2d6b3faaca4854c70b473d9381c94037698a09a688c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8018c7a0f519907ee5a2d6b3faaca4854c70b473d9381c94037698a09a688c", kill_on_drop: false }`
[INFO] [stdout] 1a8018c7a0f519907ee5a2d6b3faaca4854c70b473d9381c94037698a09a688c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16825fa3ac5aa333c9eaf982d9015bb51c1256b50e890cd9613745ed14dfc976
[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" "16825fa3ac5aa333c9eaf982d9015bb51c1256b50e890cd9613745ed14dfc976", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stratum_client-6f239a21914c39b8
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/client_stratum_test-37ccf216566d044b
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stratum-client
[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] [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" "16825fa3ac5aa333c9eaf982d9015bb51c1256b50e890cd9613745ed14dfc976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16825fa3ac5aa333c9eaf982d9015bb51c1256b50e890cd9613745ed14dfc976", kill_on_drop: false }`
[INFO] [stdout] 16825fa3ac5aa333c9eaf982d9015bb51c1256b50e890cd9613745ed14dfc976