[INFO] fetching crate chan-downloader 0.1.1...
[INFO] checking chan-downloader-0.1.1 against beta for pr-78714
[INFO] extracting crate chan-downloader 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate chan-downloader 0.1.1 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 crates.io crate chan-downloader 0.1.1
[INFO] finished tweaking crates.io crate chan-downloader 0.1.1
[INFO] tweaked toml for crates.io crate chan-downloader 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 826aceb8e5fbf619de5ee3286d647ab0b11ade7b5426685cb3b851fae6f5a0b2
[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" "826aceb8e5fbf619de5ee3286d647ab0b11ade7b5426685cb3b851fae6f5a0b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "826aceb8e5fbf619de5ee3286d647ab0b11ade7b5426685cb3b851fae6f5a0b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826aceb8e5fbf619de5ee3286d647ab0b11ade7b5426685cb3b851fae6f5a0b2", kill_on_drop: false }`
[INFO] [stdout] 826aceb8e5fbf619de5ee3286d647ab0b11ade7b5426685cb3b851fae6f5a0b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] bea2d00dcc546f7319234278d6b162c5cc7f255c8829befa2c903ec0ea054d87
[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" "bea2d00dcc546f7319234278d6b162c5cc7f255c8829befa2c903ec0ea054d87", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking native-tls v0.2.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking chan-downloader v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:33:65
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn save_image(url: &str, name: &str, client: &Client) -> Result<(String), String> {
[INFO] [stdout]    |                                                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:33:65
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn save_image(url: &str, name: &str, client: &Client) -> Result<(String), String> {
[INFO] [stdout]    |                                                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Path::join` that must be used
[INFO] [stdout]   --> src/main.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 tmp_dir.unwrap().path().join(name);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Path::join` that must be used
[INFO] [stdout]   --> src/main.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 tmp_dir.unwrap().path().join(name);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.16s
[INFO] running `Command { std: "docker" "inspect" "bea2d00dcc546f7319234278d6b162c5cc7f255c8829befa2c903ec0ea054d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea2d00dcc546f7319234278d6b162c5cc7f255c8829befa2c903ec0ea054d87", kill_on_drop: false }`
[INFO] [stdout] bea2d00dcc546f7319234278d6b162c5cc7f255c8829befa2c903ec0ea054d87