[INFO] fetching crate userland 0.1.1...
[INFO] checking userland-0.1.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate userland 0.1.1 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate userland 0.1.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate userland 0.1.1
[INFO] finished tweaking crates.io crate userland 0.1.1
[INFO] tweaked toml for crates.io crate userland 0.1.1 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 199f5e5e7e20fe11d19b450c2a4abc6fd89d25d717b63c8325006180a95dabef
[INFO] running `Command { std: "docker" "start" "-a" "199f5e5e7e20fe11d19b450c2a4abc6fd89d25d717b63c8325006180a95dabef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "199f5e5e7e20fe11d19b450c2a4abc6fd89d25d717b63c8325006180a95dabef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199f5e5e7e20fe11d19b450c2a4abc6fd89d25d717b63c8325006180a95dabef", kill_on_drop: false }`
[INFO] [stdout] 199f5e5e7e20fe11d19b450c2a4abc6fd89d25d717b63c8325006180a95dabef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43de05071f78a5371b6243bfa75348f0d23c37179a892434faaee0c45e55e565
[INFO] running `Command { std: "docker" "start" "-a" "43de05071f78a5371b6243bfa75348f0d23c37179a892434faaee0c45e55e565", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking maplit v0.1.6
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking backtrace v0.3.63
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking userland v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use] extern crate serde;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use] extern crate serde;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pair`
[INFO] [stdout]   --> src/lib.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 | use pest::iterators::{Pair, Pairs};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pair`
[INFO] [stdout]   --> src/lib.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 | use pest::iterators::{Pair, Pairs};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `client`
[INFO] [stdout]   --> src/repology.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     client: reqwest::Client,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `client`
[INFO] [stdout]   --> src/repology.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     client: reqwest::Client,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.66s
[INFO] running `Command { std: "docker" "inspect" "43de05071f78a5371b6243bfa75348f0d23c37179a892434faaee0c45e55e565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43de05071f78a5371b6243bfa75348f0d23c37179a892434faaee0c45e55e565", kill_on_drop: false }`
[INFO] [stdout] 43de05071f78a5371b6243bfa75348f0d23c37179a892434faaee0c45e55e565