[INFO] fetching crate rosetta 0.1.0...
[INFO] checking rosetta-0.1.0 against beta for pr-78714
[INFO] extracting crate rosetta 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rosetta 0.1.0 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 rosetta 0.1.0
[INFO] finished tweaking crates.io crate rosetta 0.1.0
[INFO] tweaked toml for crates.io crate rosetta 0.1.0 written to /workspace/builds/worker-6/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-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] [stdout] 71676a51b2d878801d87deba5873c6cd1528f3fc72bcdec5d13e8778a9c631ef
[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" "71676a51b2d878801d87deba5873c6cd1528f3fc72bcdec5d13e8778a9c631ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71676a51b2d878801d87deba5873c6cd1528f3fc72bcdec5d13e8778a9c631ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71676a51b2d878801d87deba5873c6cd1528f3fc72bcdec5d13e8778a9c631ef", kill_on_drop: false }`
[INFO] [stdout] 71676a51b2d878801d87deba5873c6cd1528f3fc72bcdec5d13e8778a9c631ef
[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] cb0bf5e500e21f1140fd38fc507f96af8e75e2c6633d45ef23e37f4ad00ca9a7
[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" "cb0bf5e500e21f1140fd38fc507f96af8e75e2c6633d45ef23e37f4ad00ca9a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]     Checking socket2 v0.3.16
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking miniz-sys v0.1.12
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]     Checking pulldown-cmark v0.5.3
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking aes-gcm v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking uuid v0.7.4
[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 parking_lot v0.7.1
[INFO] [stderr]     Checking v_escape v0.7.4
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]     Checking rosetta v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/build.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/serve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/build.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/serve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `destination_dir`
[INFO] [stdout]   --> src/build.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn build_site (source_dir: Option<&str>, destination_dir: &str) -> Result<(), ExitFailure> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_dir`
[INFO] [stdout]   --> src/serve.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn serve_site (source_dir: &str, destination_dir: &str) -> Result<(), ExitFailure> {
[INFO] [stdout]    |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `destination_dir`
[INFO] [stdout]   --> src/serve.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn serve_site (source_dir: &str, destination_dir: &str) -> Result<(), ExitFailure> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `destination_dir`
[INFO] [stdout]   --> src/build.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn build_site (source_dir: Option<&str>, destination_dir: &str) -> Result<(), ExitFailure> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_dir`
[INFO] [stdout]   --> src/serve.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn serve_site (source_dir: &str, destination_dir: &str) -> Result<(), ExitFailure> {
[INFO] [stdout]    |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `destination_dir`
[INFO] [stdout]   --> src/serve.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn serve_site (source_dir: &str, destination_dir: &str) -> Result<(), ExitFailure> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 new::new_site(matches.value_of("name").unwrap());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 new::new_site(matches.value_of("name").unwrap());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.42s
[INFO] running `Command { std: "docker" "inspect" "cb0bf5e500e21f1140fd38fc507f96af8e75e2c6633d45ef23e37f4ad00ca9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0bf5e500e21f1140fd38fc507f96af8e75e2c6633d45ef23e37f4ad00ca9a7", kill_on_drop: false }`
[INFO] [stdout] cb0bf5e500e21f1140fd38fc507f96af8e75e2c6633d45ef23e37f4ad00ca9a7