[INFO] fetching crate zz 0.1.0...
[INFO] checking zz-0.1.0 against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] extracting crate zz 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate zz 0.1.0 on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zz 0.1.0
[INFO] finished tweaking crates.io crate zz 0.1.0
[INFO] tweaked toml for crates.io crate zz 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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] 865ef1db9e231600d3b5e67449406482b4d7a6771be4560c19cfc5266b1efe15
[INFO] running `Command { std: "docker" "start" "-a" "865ef1db9e231600d3b5e67449406482b4d7a6771be4560c19cfc5266b1efe15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "865ef1db9e231600d3b5e67449406482b4d7a6771be4560c19cfc5266b1efe15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "865ef1db9e231600d3b5e67449406482b4d7a6771be4560c19cfc5266b1efe15", kill_on_drop: false }`
[INFO] [stdout] 865ef1db9e231600d3b5e67449406482b4d7a6771be4560c19cfc5266b1efe15
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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] 60caedd4d9eebcd09d55c051511d59992842231c25391106c843ec3cc16a86f0
[INFO] running `Command { std: "docker" "start" "-a" "60caedd4d9eebcd09d55c051511d59992842231c25391106c843ec3cc16a86f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]     Checking xoroshiro128 v0.3.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking fasthash v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking zz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `artifact_namespace`
[INFO] [stdout]   --> src/resolver.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     artifact_namespace:         &Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_artifact_namespace`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `artifact_namespace`
[INFO] [stdout]   --> src/resolver.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     artifact_namespace:         &Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_artifact_namespace`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.92s
[INFO] running `Command { std: "docker" "inspect" "60caedd4d9eebcd09d55c051511d59992842231c25391106c843ec3cc16a86f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60caedd4d9eebcd09d55c051511d59992842231c25391106c843ec3cc16a86f0", kill_on_drop: false }`
[INFO] [stdout] 60caedd4d9eebcd09d55c051511d59992842231c25391106c843ec3cc16a86f0