[INFO] cloning repository https://github.com/robo9k/mattermost-slash-meme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robo9k/mattermost-slash-meme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobo9k%2Fmattermost-slash-meme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobo9k%2Fmattermost-slash-meme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82cd6bc54912b973d017f2f489931bc0f6d56d16
[INFO] testing robo9k/mattermost-slash-meme against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobo9k%2Fmattermost-slash-meme" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robo9k/mattermost-slash-meme on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robo9k/mattermost-slash-meme
[INFO] finished tweaking git repo https://github.com/robo9k/mattermost-slash-meme
[INFO] tweaked toml for git repo https://github.com/robo9k/mattermost-slash-meme written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/robo9k/mattermost-slash-meme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33fcad186c4d9691ae781c79e65c6514760e7cf87c089b38c6a32fa08362d2b6
[INFO] running `Command { std: "docker" "start" "-a" "33fcad186c4d9691ae781c79e65c6514760e7cf87c089b38c6a32fa08362d2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33fcad186c4d9691ae781c79e65c6514760e7cf87c089b38c6a32fa08362d2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33fcad186c4d9691ae781c79e65c6514760e7cf87c089b38c6a32fa08362d2b6", kill_on_drop: false }`
[INFO] [stdout] 33fcad186c4d9691ae781c79e65c6514760e7cf87c089b38c6a32fa08362d2b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fd65822fd807286dac876c7be2f533d33664984d247f08fbd3eeeb204052bb7
[INFO] running `Command { std: "docker" "start" "-a" "7fd65822fd807286dac876c7be2f533d33664984d247f08fbd3eeeb204052bb7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling multipart v0.16.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling tokio v0.2.16
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap/#d210b9fc)
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling clap v3.0.0-beta.1 (https://github.com/clap-rs/clap/#d210b9fc)
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling clap-socketaddr v0.1.0 (https://github.com/robo9k/clap-socketaddr#ac668bd5)
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling serde_qs v0.5.2
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling tungstenite v0.10.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.5
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling tokio-tungstenite v0.10.1
[INFO] [stderr]    Compiling warp v0.2.2
[INFO] [stderr]    Compiling imgflip v0.1.0
[INFO] [stderr]    Compiling http-api-problem v0.17.0
[INFO] [stderr]    Compiling mattermost-slash-meme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |     let res = client
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[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 2m 13s
[INFO] running `Command { std: "docker" "inspect" "7fd65822fd807286dac876c7be2f533d33664984d247f08fbd3eeeb204052bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd65822fd807286dac876c7be2f533d33664984d247f08fbd3eeeb204052bb7", kill_on_drop: false }`
[INFO] [stdout] 7fd65822fd807286dac876c7be2f533d33664984d247f08fbd3eeeb204052bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79d6f9833c022824403f1d8efe5e264120e5d145561726a9a05ad1507188f56d
[INFO] running `Command { std: "docker" "start" "-a" "79d6f9833c022824403f1d8efe5e264120e5d145561726a9a05ad1507188f56d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mattermost-slash-meme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |     let res = client
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[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 3.07s
[INFO] running `Command { std: "docker" "inspect" "79d6f9833c022824403f1d8efe5e264120e5d145561726a9a05ad1507188f56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d6f9833c022824403f1d8efe5e264120e5d145561726a9a05ad1507188f56d", kill_on_drop: false }`
[INFO] [stdout] 79d6f9833c022824403f1d8efe5e264120e5d145561726a9a05ad1507188f56d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8cae9cbd045477826fc9387dbdf5f4fe91c5a9ed44dfa0ab560a414ff0b9c15
[INFO] running `Command { std: "docker" "start" "-a" "e8cae9cbd045477826fc9387dbdf5f4fe91c5a9ed44dfa0ab560a414ff0b9c15", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/main.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 211 |     let res = client
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mattermost-slash-meme` (bin "mattermost-slash-meme" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mattermost_slash_meme-4a4780f5c3a10c27)
[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" "e8cae9cbd045477826fc9387dbdf5f4fe91c5a9ed44dfa0ab560a414ff0b9c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8cae9cbd045477826fc9387dbdf5f4fe91c5a9ed44dfa0ab560a414ff0b9c15", kill_on_drop: false }`
[INFO] [stdout] e8cae9cbd045477826fc9387dbdf5f4fe91c5a9ed44dfa0ab560a414ff0b9c15