[INFO] cloning repository https://github.com/adriangligor/octoplex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adriangligor/octoplex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadriangligor%2Foctoplex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadriangligor%2Foctoplex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f14aa4ed681bd2ac6796ba0ef1f349791a15228
[INFO] checking adriangligor/octoplex against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadriangligor%2Foctoplex" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adriangligor/octoplex 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/adriangligor/octoplex
[INFO] removed workspace from git repo https://github.com/adriangligor/octoplex
[INFO] finished tweaking git repo https://github.com/adriangligor/octoplex
[INFO] tweaked toml for git repo https://github.com/adriangligor/octoplex written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/adriangligor/octoplex 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8d9d6e6cbf1f83f05c1730f8eeac489c3eb673ebe044127e989495de75cec70
[INFO] running `Command { std: "docker" "start" "-a" "f8d9d6e6cbf1f83f05c1730f8eeac489c3eb673ebe044127e989495de75cec70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8d9d6e6cbf1f83f05c1730f8eeac489c3eb673ebe044127e989495de75cec70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d9d6e6cbf1f83f05c1730f8eeac489c3eb673ebe044127e989495de75cec70", kill_on_drop: false }`
[INFO] [stdout] f8d9d6e6cbf1f83f05c1730f8eeac489c3eb673ebe044127e989495de75cec70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 9b710ab7aa736e7f584a760b9342ebcb532710237ec633de57f2c151f2ceabfa
[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" "9b710ab7aa736e7f584a760b9342ebcb532710237ec633de57f2c151f2ceabfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_millis v0.1.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling mockall_derive v0.7.0
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking tokio v0.2.15
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking mockall v0.7.0
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking octoplex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/http_client.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     mock! {
[INFO] [stdout] 60 | |         pub HttpClient {
[INFO] [stdout] 61 | |             fn request(&self, req: Request<Body>) -> Result<Response<Body>> {}
[INFO] [stdout] 62 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |         }
[INFO] [stdout] 67 | |     }
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/http_client.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     mock! {
[INFO] [stdout] 60 | |         pub HttpClient {
[INFO] [stdout] 61 | |             fn request(&self, req: Request<Body>) -> Result<Response<Body>> {}
[INFO] [stdout] 62 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |         }
[INFO] [stdout] 67 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.28s
[INFO] running `Command { std: "docker" "inspect" "9b710ab7aa736e7f584a760b9342ebcb532710237ec633de57f2c151f2ceabfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b710ab7aa736e7f584a760b9342ebcb532710237ec633de57f2c151f2ceabfa", kill_on_drop: false }`
[INFO] [stdout] 9b710ab7aa736e7f584a760b9342ebcb532710237ec633de57f2c151f2ceabfa