[INFO] fetching crate rcon 0.4.0...
[INFO] testing rcon-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rcon 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rcon 0.4.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcon 0.4.0
[INFO] finished tweaking crates.io crate rcon 0.4.0
[INFO] tweaked toml for crates.io crate rcon 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate rcon 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] dbe99491cf4077bddc109f3690559b590be5addbfb471168edcb4b931f406b67
[INFO] running `Command { std: "docker" "start" "-a" "dbe99491cf4077bddc109f3690559b590be5addbfb471168edcb4b931f406b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe99491cf4077bddc109f3690559b590be5addbfb471168edcb4b931f406b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe99491cf4077bddc109f3690559b590be5addbfb471168edcb4b931f406b67", kill_on_drop: false }`
[INFO] [stdout] dbe99491cf4077bddc109f3690559b590be5addbfb471168edcb4b931f406b67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 2b5513593202f3085bfda13811314e2f81fe23e9f97879806e1bee250fa1792c
[INFO] running `Command { std: "docker" "start" "-a" "2b5513593202f3085bfda13811314e2f81fe23e9f97879806e1bee250fa1792c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling err-derive v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling rcon v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.85s
[INFO] running `Command { std: "docker" "inspect" "2b5513593202f3085bfda13811314e2f81fe23e9f97879806e1bee250fa1792c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5513593202f3085bfda13811314e2f81fe23e9f97879806e1bee250fa1792c", kill_on_drop: false }`
[INFO] [stdout] 2b5513593202f3085bfda13811314e2f81fe23e9f97879806e1bee250fa1792c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e4c46ec6ae5bb6c811e5eb320697e1e356f7f97fce251a2897c81cdf7e65697
[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" "9e4c46ec6ae5bb6c811e5eb320697e1e356f7f97fce251a2897c81cdf7e65697", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcon v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "9e4c46ec6ae5bb6c811e5eb320697e1e356f7f97fce251a2897c81cdf7e65697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4c46ec6ae5bb6c811e5eb320697e1e356f7f97fce251a2897c81cdf7e65697", kill_on_drop: false }`
[INFO] [stdout] 9e4c46ec6ae5bb6c811e5eb320697e1e356f7f97fce251a2897c81cdf7e65697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 49e22393a345c29ce7c00f856f679ee37a32f2f2c4a92240c8a7a1bf94c2c4cb
[INFO] running `Command { std: "docker" "start" "-a" "49e22393a345c29ce7c00f856f679ee37a32f2f2c4a92240c8a7a1bf94c2c4cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rcon-8ab356dcc030039c
[INFO] [stderr]    Doc-tests rcon
[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] [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 `Command { std: "docker" "inspect" "49e22393a345c29ce7c00f856f679ee37a32f2f2c4a92240c8a7a1bf94c2c4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e22393a345c29ce7c00f856f679ee37a32f2f2c4a92240c8a7a1bf94c2c4cb", kill_on_drop: false }`
[INFO] [stdout] 49e22393a345c29ce7c00f856f679ee37a32f2f2c4a92240c8a7a1bf94c2c4cb