[INFO] cloning repository https://github.com/adolfosilva/vending-machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adolfosilva/vending-machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadolfosilva%2Fvending-machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadolfosilva%2Fvending-machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ac97870e85b68ccc6565bd504ba832b2532d0cb
[INFO] testing adolfosilva/vending-machine against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadolfosilva%2Fvending-machine" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adolfosilva/vending-machine 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 git repo https://github.com/adolfosilva/vending-machine
[INFO] finished tweaking git repo https://github.com/adolfosilva/vending-machine
[INFO] tweaked toml for git repo https://github.com/adolfosilva/vending-machine written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/adolfosilva/vending-machine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arc-swap v0.3.4
[INFO] [stderr]   Downloaded trust-dns-proto v0.4.3
[INFO] [stderr]   Downloaded tokio-signal v0.2.6
[INFO] [stderr]   Downloaded actix v0.7.5
[INFO] [stderr]   Downloaded rust_decimal v0.10.1
[INFO] [stderr]   Downloaded signal-hook v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6b29e06f177532de66b9d017f83ea20ebaa6a974d38ec6bd51992b7f6d75dbd1
[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" "6b29e06f177532de66b9d017f83ea20ebaa6a974d38ec6bd51992b7f6d75dbd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b29e06f177532de66b9d017f83ea20ebaa6a974d38ec6bd51992b7f6d75dbd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b29e06f177532de66b9d017f83ea20ebaa6a974d38ec6bd51992b7f6d75dbd1", kill_on_drop: false }`
[INFO] [stdout] 6b29e06f177532de66b9d017f83ea20ebaa6a974d38ec6bd51992b7f6d75dbd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 23744a9a855c7177ca8569e2f242dddaea4e1dfc0cfb352cfada6b9f5bc6e0c7
[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" "23744a9a855c7177ca8569e2f242dddaea4e1dfc0cfb352cfada6b9f5bc6e0c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling arc-swap v0.3.4
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling resolv-conf v0.6.1
[INFO] [stderr]    Compiling signal-hook v0.1.5
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.3
[INFO] [stderr]    Compiling tokio-signal v0.2.6
[INFO] [stderr]    Compiling trust-dns-proto v0.4.3
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling actix_derive v0.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.9.1
[INFO] [stderr]    Compiling rust_decimal v0.10.1
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling actix v0.7.5
[INFO] [stderr]    Compiling vending-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `money`
[INFO] [stdout]   --> src/messages.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let (product, money) = (msg.0, msg.1);
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_money`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "23744a9a855c7177ca8569e2f242dddaea4e1dfc0cfb352cfada6b9f5bc6e0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23744a9a855c7177ca8569e2f242dddaea4e1dfc0cfb352cfada6b9f5bc6e0c7", kill_on_drop: false }`
[INFO] [stdout] 23744a9a855c7177ca8569e2f242dddaea4e1dfc0cfb352cfada6b9f5bc6e0c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 877a3afb202b75d62cad0b07b8fbd263f7d9deb1fd4ecd8792daa7912d71683d
[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" "877a3afb202b75d62cad0b07b8fbd263f7d9deb1fd4ecd8792daa7912d71683d", kill_on_drop: false }`
[INFO] [stderr]    Compiling vending-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `money`
[INFO] [stdout]   --> src/messages.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let (product, money) = (msg.0, msg.1);
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_money`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "877a3afb202b75d62cad0b07b8fbd263f7d9deb1fd4ecd8792daa7912d71683d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877a3afb202b75d62cad0b07b8fbd263f7d9deb1fd4ecd8792daa7912d71683d", kill_on_drop: false }`
[INFO] [stdout] 877a3afb202b75d62cad0b07b8fbd263f7d9deb1fd4ecd8792daa7912d71683d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] b86f54fb008a542530b957a9b2e714f3186865e2d59cbada361151fbb8ea0c22
[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" "b86f54fb008a542530b957a9b2e714f3186865e2d59cbada361151fbb8ea0c22", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `money`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/messages.rs:20:23
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 20 |         let (product, money) = (msg.0, msg.1);
[INFO] [stdout] 
[INFO] [stderr]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_money`
[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 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vending_machine-1d797beae16f6184
[INFO] running `Command { std: "docker" "inspect" "b86f54fb008a542530b957a9b2e714f3186865e2d59cbada361151fbb8ea0c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86f54fb008a542530b957a9b2e714f3186865e2d59cbada361151fbb8ea0c22", kill_on_drop: false }`
[INFO] [stdout] b86f54fb008a542530b957a9b2e714f3186865e2d59cbada361151fbb8ea0c22