[INFO] cloning repository https://github.com/rust-corpus/top-crates [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-corpus/top-crates" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-corpus%2Ftop-crates", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-corpus%2Ftop-crates'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3022cc1d58fbee3d7cb2dc9fe40cd33d8ed90e6e [INFO] checking rust-corpus/top-crates against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-corpus%2Ftop-crates" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rust-corpus/top-crates on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rust-corpus/top-crates [INFO] finished tweaking git repo https://github.com/rust-corpus/top-crates [INFO] tweaked toml for git repo https://github.com/rust-corpus/top-crates written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/rust-corpus/top-crates already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ignore v0.4.5 [INFO] [stderr] Downloaded crates-io v0.19.0 [INFO] [stderr] Downloaded cargo v0.31.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 6a4a6c5becab38ee219eb2149b9ad2450db9f62a39aca23988f50d9b5d56aeb6 [INFO] running `Command { std: "docker" "start" "-a" "6a4a6c5becab38ee219eb2149b9ad2450db9f62a39aca23988f50d9b5d56aeb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a4a6c5becab38ee219eb2149b9ad2450db9f62a39aca23988f50d9b5d56aeb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a4a6c5becab38ee219eb2149b9ad2450db9f62a39aca23988f50d9b5d56aeb6", kill_on_drop: false }` [INFO] [stdout] 6a4a6c5becab38ee219eb2149b9ad2450db9f62a39aca23988f50d9b5d56aeb6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d4e1f4923352537465c62e0a90e12739ffe11ee1ce2a8a8d29b24f382f13d34 [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" "0d4e1f4923352537465c62e0a90e12739ffe11ee1ce2a8a8d29b24f382f13d34", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling cc v1.0.27 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Compiling arrayvec v0.4.9 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking unicode-normalization v0.1.7 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.11 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking shell-escape v0.1.4 [INFO] [stderr] Checking home v0.3.3 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking rustc-workspace-hack v1.0.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking crc32fast v1.1.2 [INFO] [stderr] Checking encoding_rs v0.8.13 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking libflate v0.1.19 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Checking mime v0.3.12 [INFO] [stderr] Checking crossbeam-epoch v0.7.0 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling openssl-sys v0.9.40 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling curl-sys v0.4.15 [INFO] [stderr] Compiling backtrace-sys v0.1.26 [INFO] [stderr] Compiling libssh2-sys v0.2.11 [INFO] [stderr] Compiling libgit2-sys v0.7.11 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking socket2 v0.3.8 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking filetime v0.2.4 [INFO] [stderr] Checking jobserver v0.1.12 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tar v0.4.20 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling openssl v0.10.16 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking http v0.1.14 [INFO] [stderr] Checking flate2 v1.0.6 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking globset v0.4.2 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking h2 v0.1.14 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking serde_ignored v0.0.4 [INFO] [stderr] Checking serde_urlencoded v0.5.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking crypto-hash v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Checking tempfile v3.0.5 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking parking_lot v0.7.0 [INFO] [stderr] Checking opener v0.3.2 [INFO] [stderr] Checking crossbeam-channel v0.3.4 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking ignore v0.4.5 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Checking hyper v0.12.19 [INFO] [stderr] Checking curl v0.4.19 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Checking rustfix v0.4.4 [INFO] [stderr] Checking crates-io v0.19.0 [INFO] [stderr] Checking reqwest v0.9.5 [INFO] [stderr] Checking git2 v0.7.5 [INFO] [stderr] Checking git2-curl v0.8.2 [INFO] [stderr] Checking cargo v0.31.0 [INFO] [stderr] Checking top-crates v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `HashSet` [INFO] [stdout] --> src/main.rs:11:44 [INFO] [stdout] | [INFO] [stdout] 11 | use std::collections::{BTreeMap, BTreeSet, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cargo::core::registry::PackageRegistry` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use cargo::core::registry::PackageRegistry; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Method`, `self` [INFO] [stdout] --> src/main.rs:18:29 [INFO] [stdout] | [INFO] [stdout] 18 | use cargo::core::resolver::{self, Method, Resolve}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashSet` [INFO] [stdout] --> src/main.rs:11:44 [INFO] [stdout] | [INFO] [stdout] 11 | use std::collections::{BTreeMap, BTreeSet, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cargo::core::registry::PackageRegistry` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use cargo::core::registry::PackageRegistry; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Method`, `self` [INFO] [stdout] --> src/main.rs:18:29 [INFO] [stdout] | [INFO] [stdout] 18 | use cargo::core::resolver::{self, Method, Resolve}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `String` [INFO] [stdout] --> src/main.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | String(String), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Explicit` [INFO] [stdout] --> src/main.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | / Explicit { [INFO] [stdout] 101 | | #[serde(serialize_with = "exact_version")] [INFO] [stdout] 102 | | version: String, [INFO] [stdout] 103 | | #[serde(skip_serializing_if = "Vec::is_empty")] [INFO] [stdout] ... | [INFO] [stdout] 106 | | default_features: bool, [INFO] [stdout] 107 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `version` [INFO] [stdout] --> src/main.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | fn version(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `blacklisted` [INFO] [stdout] --> src/main.rs:131:8 [INFO] [stdout] | [INFO] [stdout] 131 | fn blacklisted(&self, name: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unique_latest_crates` [INFO] [stdout] --> src/main.rs:178:4 [INFO] [stdout] | [INFO] [stdout] 178 | fn unique_latest_crates(resolve: Resolve) -> BTreeMap { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fill_playground_metadata_features` [INFO] [stdout] --> src/main.rs:217:4 [INFO] [stdout] | [INFO] [stdout] 217 | fn fill_playground_metadata_features(dep: &mut DependencySpec, pkg: &Package) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `write_manifest` [INFO] [stdout] --> src/main.rs:285:4 [INFO] [stdout] | [INFO] [stdout] 285 | fn write_manifest(manifest: TomlManifest, path: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `String` [INFO] [stdout] --> src/main.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | String(String), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Explicit` [INFO] [stdout] --> src/main.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | / Explicit { [INFO] [stdout] 101 | | #[serde(serialize_with = "exact_version")] [INFO] [stdout] 102 | | version: String, [INFO] [stdout] 103 | | #[serde(skip_serializing_if = "Vec::is_empty")] [INFO] [stdout] ... | [INFO] [stdout] 106 | | default_features: bool, [INFO] [stdout] 107 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `version` [INFO] [stdout] --> src/main.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | fn version(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `blacklisted` [INFO] [stdout] --> src/main.rs:131:8 [INFO] [stdout] | [INFO] [stdout] 131 | fn blacklisted(&self, name: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unique_latest_crates` [INFO] [stdout] --> src/main.rs:178:4 [INFO] [stdout] | [INFO] [stdout] 178 | fn unique_latest_crates(resolve: Resolve) -> BTreeMap { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fill_playground_metadata_features` [INFO] [stdout] --> src/main.rs:217:4 [INFO] [stdout] | [INFO] [stdout] 217 | fn fill_playground_metadata_features(dep: &mut DependencySpec, pkg: &Package) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `write_manifest` [INFO] [stdout] --> src/main.rs:285:4 [INFO] [stdout] | [INFO] [stdout] 285 | fn write_manifest(manifest: TomlManifest, path: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 10s [INFO] running `Command { std: "docker" "inspect" "0d4e1f4923352537465c62e0a90e12739ffe11ee1ce2a8a8d29b24f382f13d34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d4e1f4923352537465c62e0a90e12739ffe11ee1ce2a8a8d29b24f382f13d34", kill_on_drop: false }` [INFO] [stdout] 0d4e1f4923352537465c62e0a90e12739ffe11ee1ce2a8a8d29b24f382f13d34