[INFO] fetching crate makeppkg 1.1.1...
[INFO] checking makeppkg-1.1.1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate makeppkg 1.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate makeppkg 1.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate makeppkg 1.1.1
[INFO] finished tweaking crates.io crate makeppkg 1.1.1
[INFO] tweaked toml for crates.io crate makeppkg 1.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 2988e8b2ce7d482801f0a0312f88ac4b36a74abaedee6f3eea892c6c81803c75
[INFO] running `Command { std: "docker" "start" "-a" "2988e8b2ce7d482801f0a0312f88ac4b36a74abaedee6f3eea892c6c81803c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2988e8b2ce7d482801f0a0312f88ac4b36a74abaedee6f3eea892c6c81803c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2988e8b2ce7d482801f0a0312f88ac4b36a74abaedee6f3eea892c6c81803c75", kill_on_drop: false }`
[INFO] [stdout] 2988e8b2ce7d482801f0a0312f88ac4b36a74abaedee6f3eea892c6c81803c75
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16c37bc57037369248265700f57425d38a15bce15e3bbc49932be3cb476f5b7b
[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" "16c37bc57037369248265700f57425d38a15bce15e3bbc49932be3cb476f5b7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking os_pipe v0.7.0
[INFO] [stderr]     Checking duct v0.11.1
[INFO] [stderr]     Checking makeppkg v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/file_to_string.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn file_to_string(mut file: File) -> (Result<String, String>) {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/patch.rs:53:57
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn find_patches(location: PathBuf, pkgname: &String) -> (Result<Vec<PatchFile>, String>) {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/file_to_string.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn file_to_string(mut file: File) -> (Result<String, String>) {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/patch.rs:53:57
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn find_patches(location: PathBuf, pkgname: &String) -> (Result<Vec<PatchFile>, String>) {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]   --> src/arg_parse.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 |         if blacklist.contains(&value.trim_left_matches("-")) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]   --> src/arg_parse.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 |         if blacklist.contains(&value.trim_left_matches("-")) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/package_name.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     for mut line in srcinfo.lines() {
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/patch.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let mut patch = PatchFile {
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/patch.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |         for mut sum in checksums {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/patch.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     for mut patch in patches {
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/patch.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | /     write!(
[INFO] [stdout] 208 | |         &OpenOptions::new()
[INFO] [stdout] 209 | |             .read(false)
[INFO] [stdout] 210 | |             .write(true)
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |         updpkgbuild
[INFO] [stdout] 216 | |     );
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/package_name.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     for mut line in srcinfo.lines() {
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/patch.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let mut patch = PatchFile {
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/patch.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |         for mut sum in checksums {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/patch.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     for mut patch in patches {
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/patch.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | /     write!(
[INFO] [stdout] 208 | |         &OpenOptions::new()
[INFO] [stdout] 209 | |             .read(false)
[INFO] [stdout] 210 | |             .write(true)
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |         updpkgbuild
[INFO] [stdout] 216 | |     );
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.80s
[INFO] running `Command { std: "docker" "inspect" "16c37bc57037369248265700f57425d38a15bce15e3bbc49932be3cb476f5b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c37bc57037369248265700f57425d38a15bce15e3bbc49932be3cb476f5b7b", kill_on_drop: false }`
[INFO] [stdout] 16c37bc57037369248265700f57425d38a15bce15e3bbc49932be3cb476f5b7b
