[INFO] cloning repository https://github.com/sudarshan-reddy/sampleslackbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sudarshan-reddy/sampleslackbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudarshan-reddy%2Fsampleslackbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudarshan-reddy%2Fsampleslackbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe5dfe71093e8ce0e49350af8182d44aa5829171
[INFO] testing sudarshan-reddy/sampleslackbot 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%2Fsudarshan-reddy%2Fsampleslackbot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sudarshan-reddy/sampleslackbot 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/sudarshan-reddy/sampleslackbot
[INFO] finished tweaking git repo https://github.com/sudarshan-reddy/sampleslackbot
[INFO] tweaked toml for git repo https://github.com/sudarshan-reddy/sampleslackbot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sudarshan-reddy/sampleslackbot 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b07a8ec3762623680f94936f1745ea1db049ab5e55efbb09ae9def64360368ee
[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" "b07a8ec3762623680f94936f1745ea1db049ab5e55efbb09ae9def64360368ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b07a8ec3762623680f94936f1745ea1db049ab5e55efbb09ae9def64360368ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07a8ec3762623680f94936f1745ea1db049ab5e55efbb09ae9def64360368ee", kill_on_drop: false }`
[INFO] [stdout] b07a8ec3762623680f94936f1745ea1db049ab5e55efbb09ae9def64360368ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8b6ebae13016b1f98959b1f3cbb3a0d6be921374ac14ba32a03bc552653b9c32
[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" "8b6ebae13016b1f98959b1f3cbb3a0d6be921374ac14ba32a03bc552653b9c32", kill_on_drop: false }`
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling bytestring v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.33
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling actix-router v0.2.4
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling actix-codec v0.2.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling actix-service v1.0.5
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling actix-threadpool v0.3.2
[INFO] [stderr]    Compiling trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]    Compiling actix-rt v1.1.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling actix-utils v1.0.6
[INFO] [stderr]    Compiling actix-server v1.0.3
[INFO] [stderr]    Compiling actix-tls v1.0.0
[INFO] [stderr]    Compiling actix-testing v1.0.1
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]    Compiling actix-connect v1.0.2
[INFO] [stderr]    Compiling actix-http v1.0.1
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling reqwest v0.10.6
[INFO] [stderr]    Compiling awc v1.0.1
[INFO] [stderr]    Compiling actix-web v2.0.0
[INFO] [stderr]    Compiling dontslack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `easy_label`
[INFO] [stdout]   --> src/bot.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     easy_label: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 2m 35s
[INFO] running `Command { std: "docker" "inspect" "8b6ebae13016b1f98959b1f3cbb3a0d6be921374ac14ba32a03bc552653b9c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6ebae13016b1f98959b1f3cbb3a0d6be921374ac14ba32a03bc552653b9c32", kill_on_drop: false }`
[INFO] [stdout] 8b6ebae13016b1f98959b1f3cbb3a0d6be921374ac14ba32a03bc552653b9c32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1b0cd956f8ff534f756de110fd819196eee486c04479c310791b6c3188e5f557
[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" "1b0cd956f8ff534f756de110fd819196eee486c04479c310791b6c3188e5f557", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dontslack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `easy_label`
[INFO] [stdout]   --> src/bot.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     easy_label: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 4.37s
[INFO] running `Command { std: "docker" "inspect" "1b0cd956f8ff534f756de110fd819196eee486c04479c310791b6c3188e5f557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b0cd956f8ff534f756de110fd819196eee486c04479c310791b6c3188e5f557", kill_on_drop: false }`
[INFO] [stdout] 1b0cd956f8ff534f756de110fd819196eee486c04479c310791b6c3188e5f557
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 839c1ea35ffce5ae8fcfc2d872c7f553b70bb69b43bbed840b0e6cab3febfcf6
[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" "839c1ea35ffce5ae8fcfc2d872c7f553b70bb69b43bbed840b0e6cab3febfcf6", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `easy_label`
[INFO] [stderr]   --> src/bot.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     easy_label: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dontslack-67f66d3fa85b6b06
[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] [stderr]      Running /opt/rustwide/target/debug/deps/dontslack-c915d4da214ad285
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dontslack
[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" "839c1ea35ffce5ae8fcfc2d872c7f553b70bb69b43bbed840b0e6cab3febfcf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839c1ea35ffce5ae8fcfc2d872c7f553b70bb69b43bbed840b0e6cab3febfcf6", kill_on_drop: false }`
[INFO] [stdout] 839c1ea35ffce5ae8fcfc2d872c7f553b70bb69b43bbed840b0e6cab3febfcf6