[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] testing cesare/rust_slack_client against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust_slack_client" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cesare/rust_slack_client on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-1/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 6a099bcdce20f7c31b2cb473f51b283391a4db768eb11be6a582b2ad5b2f2637
[INFO] running `Command { std: "docker" "start" "-a" "6a099bcdce20f7c31b2cb473f51b283391a4db768eb11be6a582b2ad5b2f2637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a099bcdce20f7c31b2cb473f51b283391a4db768eb11be6a582b2ad5b2f2637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a099bcdce20f7c31b2cb473f51b283391a4db768eb11be6a582b2ad5b2f2637", kill_on_drop: false }`
[INFO] [stdout] 6a099bcdce20f7c31b2cb473f51b283391a4db768eb11be6a582b2ad5b2f2637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e52b987a110897cad9e525dc809df451755fed1a2a35023240afa0c8b6bdeff
[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" "6e52b987a110897cad9e525dc809df451755fed1a2a35023240afa0c8b6bdeff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling futures v0.1.23
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling openssl v0.10.11
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling http v0.1.10
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tokio-executor v0.1.4
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-current-thread v0.1.1
[INFO] [stderr]    Compiling tokio-timer v0.2.6
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.6
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.5
[INFO] [stderr]    Compiling tokio-uds v0.2.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling hyper v0.12.9
[INFO] [stderr]    Compiling hyper-tls v0.3.0
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "6e52b987a110897cad9e525dc809df451755fed1a2a35023240afa0c8b6bdeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e52b987a110897cad9e525dc809df451755fed1a2a35023240afa0c8b6bdeff", kill_on_drop: false }`
[INFO] [stdout] 6e52b987a110897cad9e525dc809df451755fed1a2a35023240afa0c8b6bdeff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bb41b455a8f9fced0b50e3bf50976752a3f5c8c8c64427d325b4293f7592095
[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" "7bb41b455a8f9fced0b50e3bf50976752a3f5c8c8c64427d325b4293f7592095", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 test [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "7bb41b455a8f9fced0b50e3bf50976752a3f5c8c8c64427d325b4293f7592095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb41b455a8f9fced0b50e3bf50976752a3f5c8c8c64427d325b4293f7592095", kill_on_drop: false }`
[INFO] [stdout] 7bb41b455a8f9fced0b50e3bf50976752a3f5c8c8c64427d325b4293f7592095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] b0c924733f0c3b5e792215d74dd2c6b33dad0d68eb4ce90699e3b791e54fb2a8
[INFO] running `Command { std: "docker" "start" "-a" "b0c924733f0c3b5e792215d74dd2c6b33dad0d68eb4ce90699e3b791e54fb2a8", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `client`
[INFO] [stderr]   --> src/conversation.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     client: HttpClient,
[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] warning: field is never read: `client`
[INFO] [stderr]   --> src/conversation.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     client: HttpClient,
[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 0.16s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slack_client-6a38d61f1de5383e
[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] [stderr]      Running /opt/rustwide/target/debug/deps/list_conversations-507d8269aab4cac1
[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] [stderr]      Running /opt/rustwide/target/debug/deps/post_message-c0af7483e6bc30d7
[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] [stderr]      Running /opt/rustwide/target/debug/deps/rtm-3f6576df11f6a693
[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] [stderr]      Running /opt/rustwide/target/debug/deps/show_identity-2a9a08f2409d00ee
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slack_client
[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" "b0c924733f0c3b5e792215d74dd2c6b33dad0d68eb4ce90699e3b791e54fb2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c924733f0c3b5e792215d74dd2c6b33dad0d68eb4ce90699e3b791e54fb2a8", kill_on_drop: false }`
[INFO] [stdout] b0c924733f0c3b5e792215d74dd2c6b33dad0d68eb4ce90699e3b791e54fb2a8