[INFO] cloning repository https://github.com/dcchut/robbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dcchut/robbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcchut%2Frobbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcchut%2Frobbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3466be0edc877b1052df1eb9e5245cabd9bc7dbc
[INFO] checking dcchut/robbot against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcchut%2Frobbot" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dcchut/robbot on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dcchut/robbot
[INFO] finished tweaking git repo https://github.com/dcchut/robbot
[INFO] tweaked toml for git repo https://github.com/dcchut/robbot written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/dcchut/robbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/dcchut/dcc-scryfall`
[INFO] [stderr]     Updating git repository `https://github.com/dcchut/serenity`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-recursion v0.3.1
[INFO] [stderr]   Downloaded special v0.8.1
[INFO] [stderr]   Downloaded async-task v1.3.0
[INFO] [stderr]   Downloaded probability v0.17.0
[INFO] [stderr]   Downloaded dashmap v3.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99626f347ccf2b25c0b77e1459627d777da614980bdce87efda3fe9e068f6022
[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" "99626f347ccf2b25c0b77e1459627d777da614980bdce87efda3fe9e068f6022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99626f347ccf2b25c0b77e1459627d777da614980bdce87efda3fe9e068f6022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99626f347ccf2b25c0b77e1459627d777da614980bdce87efda3fe9e068f6022", kill_on_drop: false }`
[INFO] [stdout] 99626f347ccf2b25c0b77e1459627d777da614980bdce87efda3fe9e068f6022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c216631ca6aefaea936994ec7aa1ed203ebffaa71c2b9be5da6f5421c9cb7abb
[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" "c216631ca6aefaea936994ec7aa1ed203ebffaa71c2b9be5da6f5421c9cb7abb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling serenity v0.8.1 (https://github.com/dcchut/serenity?branch=serenity-async-await#71f4b5b4)
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking uwl v0.5.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking encoding_rs v0.8.22
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking async-task v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking special v0.8.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking probability v0.17.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.7
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling command_attr v0.2.0 (https://github.com/dcchut/serenity?branch=serenity-async-await#71f4b5b4)
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]    Compiling async-recursion v0.3.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.2
[INFO] [stderr]     Checking dashmap v3.11.0
[INFO] [stderr]     Checking pin-project v0.4.7
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking diesel v1.4.5
[INFO] [stderr]     Checking chrono-humanize v0.0.11
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]     Checking dcc-scryfall v0.2.0 (https://github.com/dcchut/dcc-scryfall#7ccc2a74)
[INFO] [stderr]     Checking robbot v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 31s
[INFO] running `Command { std: "docker" "inspect" "c216631ca6aefaea936994ec7aa1ed203ebffaa71c2b9be5da6f5421c9cb7abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c216631ca6aefaea936994ec7aa1ed203ebffaa71c2b9be5da6f5421c9cb7abb", kill_on_drop: false }`
[INFO] [stdout] c216631ca6aefaea936994ec7aa1ed203ebffaa71c2b9be5da6f5421c9cb7abb