[INFO] fetching crate zz 0.1.0...
[INFO] checking zz-0.1.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate zz 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zz 0.1.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aab9f4c496672dc3cc929c21392af46ae6d8834519811f4eded41ab8a3e0239c
[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" "aab9f4c496672dc3cc929c21392af46ae6d8834519811f4eded41ab8a3e0239c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aab9f4c496672dc3cc929c21392af46ae6d8834519811f4eded41ab8a3e0239c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab9f4c496672dc3cc929c21392af46ae6d8834519811f4eded41ab8a3e0239c", kill_on_drop: false }`
[INFO] [stdout] aab9f4c496672dc3cc929c21392af46ae6d8834519811f4eded41ab8a3e0239c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 1a84a2c4d02a6122a6e22cbb6d7d16860fb9cd5b9c64362e238c574de60e355e
[INFO] running `Command { std: "docker" "start" "-a" "1a84a2c4d02a6122a6e22cbb6d7d16860fb9cd5b9c64362e238c574de60e355e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking xoroshiro128 v0.3.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking fasthash v0.4.0
[INFO] [stderr]     Checking env_logger v0.6.2
[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 1m 09s
[INFO] running `Command { std: "docker" "inspect" "1a84a2c4d02a6122a6e22cbb6d7d16860fb9cd5b9c64362e238c574de60e355e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a84a2c4d02a6122a6e22cbb6d7d16860fb9cd5b9c64362e238c574de60e355e", kill_on_drop: false }`
[INFO] [stdout] 1a84a2c4d02a6122a6e22cbb6d7d16860fb9cd5b9c64362e238c574de60e355e