[INFO] cloning repository https://github.com/cesare/rust_slack_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cesare/rust_slack_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust_slack_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust_slack_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cc3488df262e171bb813216403502d05f109a54
[INFO] checking cesare/rust_slack_client against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust_slack_client" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cesare/rust_slack_client on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cesare/rust_slack_client
[INFO] finished tweaking git repo https://github.com/cesare/rust_slack_client
[INFO] tweaked toml for git repo https://github.com/cesare/rust_slack_client written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/cesare/rust_slack_client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v0.1.8
[INFO] [stderr]   Downloaded mio-uds v0.6.6
[INFO] [stderr]   Downloaded string v0.1.1
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded core-foundation v0.5.1
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[INFO] [stderr]   Downloaded futures v0.1.23
[INFO] [stderr]   Downloaded bytes v0.4.9
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.1
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.1
[INFO] [stderr]   Downloaded tempfile v3.0.3
[INFO] [stderr]   Downloaded security-framework v0.2.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.5.1
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[INFO] [stderr]   Downloaded cc v1.0.23
[INFO] [stderr]   Downloaded schannel v0.1.13
[INFO] [stderr]   Downloaded want v0.0.6
[INFO] [stderr]   Downloaded security-framework-sys v0.2.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.5.0
[INFO] [stderr]   Downloaded serde v1.0.76
[INFO] [stderr]   Downloaded openssl v0.10.11
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded tokio-tcp v0.1.1
[INFO] [stderr]   Downloaded http v0.1.10
[INFO] [stderr]   Downloaded itoa v0.4.2
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded tokio-reactor v0.1.5
[INFO] [stderr]   Downloaded tokio-uds v0.2.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded proc-macro2 v0.4.17
[INFO] [stderr]   Downloaded lock_api v0.1.3
[INFO] [stderr]   Downloaded tokio-timer v0.2.6
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded parking_lot_core v0.3.0
[INFO] [stderr]   Downloaded parking_lot v0.6.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.5.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.35
[INFO] [stderr]   Downloaded serde_derive v1.0.76
[INFO] [stderr]   Downloaded ryu v0.2.6
[INFO] [stderr]   Downloaded native-tls v0.2.1
[INFO] [stderr]   Downloaded hyper-tls v0.3.0
[INFO] [stderr]   Downloaded syn v0.14.9
[INFO] [stderr]   Downloaded serde_json v1.0.26
[INFO] [stderr]   Downloaded hyper v0.12.9
[INFO] [stderr]   Downloaded mio v0.6.15
[INFO] [stderr]   Downloaded tokio-fs v0.1.3
[INFO] [stderr]   Downloaded tokio-codec v0.1.0
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.6
[INFO] [stderr]   Downloaded tokio-udp v0.1.2
[INFO] [stderr]   Downloaded slab v0.4.1
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[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded smallvec v0.6.5
[INFO] [stderr]   Downloaded h2 v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fb42f08707cce616c9382640864cc91298572c88c3dff6a0b75ee830e303192
[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" "6fb42f08707cce616c9382640864cc91298572c88c3dff6a0b75ee830e303192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fb42f08707cce616c9382640864cc91298572c88c3dff6a0b75ee830e303192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fb42f08707cce616c9382640864cc91298572c88c3dff6a0b75ee830e303192", kill_on_drop: false }`
[INFO] [stdout] 6fb42f08707cce616c9382640864cc91298572c88c3dff6a0b75ee830e303192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f674428a59c9f498806d4ec07b6c6d5c3395386552f8390ddcc76cc0dac254f
[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" "9f674428a59c9f498806d4ec07b6c6d5c3395386552f8390ddcc76cc0dac254f", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.23
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]    Compiling openssl v0.10.11
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking http v0.1.10
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking parking_lot_core v0.3.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-executor v0.1.4
[INFO] [stderr]     Checking tokio-io v0.1.8
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.6
[INFO] [stderr]     Checking tokio-current-thread v0.1.1
[INFO] [stderr]     Checking tokio-timer v0.2.6
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.8
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]     Checking hyper v0.12.9
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking hyper-tls v0.3.0
[INFO] [stderr]     Checking slack_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `client`
[INFO] [stdout]   --> src/conversation.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     client: HttpClient,
[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] [stdout] warning: field is never read: `client`
[INFO] [stdout]   --> src/conversation.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     client: HttpClient,
[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 55.06s
[INFO] running `Command { std: "docker" "inspect" "9f674428a59c9f498806d4ec07b6c6d5c3395386552f8390ddcc76cc0dac254f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f674428a59c9f498806d4ec07b6c6d5c3395386552f8390ddcc76cc0dac254f", kill_on_drop: false }`
[INFO] [stdout] 9f674428a59c9f498806d4ec07b6c6d5c3395386552f8390ddcc76cc0dac254f