[INFO] cloning repository https://github.com/CrimsonAndRed/MyLittleDiscord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CrimsonAndRed/MyLittleDiscord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleDiscord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleDiscord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffc16b1030b4a8cdd7017e871a5207d8b1b708d9
[INFO] checking CrimsonAndRed/MyLittleDiscord against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleDiscord" "/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/CrimsonAndRed/MyLittleDiscord on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CrimsonAndRed/MyLittleDiscord
[INFO] finished tweaking git repo https://github.com/CrimsonAndRed/MyLittleDiscord
[INFO] tweaked toml for git repo https://github.com/CrimsonAndRed/MyLittleDiscord written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/CrimsonAndRed/MyLittleDiscord already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38f4faf96babda228df12f767db5b5309c483d9785e2eb48469a1424b6c8dcd3
[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" "38f4faf96babda228df12f767db5b5309c483d9785e2eb48469a1424b6c8dcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38f4faf96babda228df12f767db5b5309c483d9785e2eb48469a1424b6c8dcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f4faf96babda228df12f767db5b5309c483d9785e2eb48469a1424b6c8dcd3", kill_on_drop: false }`
[INFO] [stdout] 38f4faf96babda228df12f767db5b5309c483d9785e2eb48469a1424b6c8dcd3
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 81c51c615d0e1acd8ec911072623a44cc13d862b4c2e3afe81740ef3c9d48ffc
[INFO] running `Command { std: "docker" "start" "-a" "81c51c615d0e1acd8ec911072623a44cc13d862b4c2e3afe81740ef3c9d48ffc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling v_escape v0.7.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
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[INFO] [stderr]     Checking tokio-current-thread v0.1.6
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[INFO] [stderr]    Compiling rand_os v0.1.3
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[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
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[INFO] [stderr]    Compiling rand v0.6.5
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[INFO] [stderr]     Checking openssl v0.10.23
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[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling v_escape_derive v0.5.3
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling v_htmlescape v0.4.3
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[INFO] [stderr]     Checking serde_json v1.0.40
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[INFO] [stderr]     Checking mio-uds v0.6.7
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[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]     Checking my_little_discord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::Stream`
[INFO] [stdout]  --> src/engine.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::stream::Stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/engine.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 .map(|m| {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::Stream`
[INFO] [stdout]  --> src/engine.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::stream::Stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/engine.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 .map(|m| {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PUT`
[INFO] [stdout]    --> src/connector.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     PUT,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DELETE`
[INFO] [stdout]    --> src/connector.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     DELETE,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PUT`
[INFO] [stdout]    --> src/connector.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |     PUT,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DELETE`
[INFO] [stdout]    --> src/connector.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     DELETE,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/connector.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         std::mem::replace(&mut msg.data.s, self.last_sequence);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/connector.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         std::mem::replace(&mut msg.data.s, self.last_sequence);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 19s
[INFO] running `Command { std: "docker" "inspect" "81c51c615d0e1acd8ec911072623a44cc13d862b4c2e3afe81740ef3c9d48ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c51c615d0e1acd8ec911072623a44cc13d862b4c2e3afe81740ef3c9d48ffc", kill_on_drop: false }`
[INFO] [stdout] 81c51c615d0e1acd8ec911072623a44cc13d862b4c2e3afe81740ef3c9d48ffc