[INFO] fetching crate release 0.8.1... [INFO] checking release-0.8.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] extracting crate release 0.8.1 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate release 0.8.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate release 0.8.1 [INFO] finished tweaking crates.io crate release 0.8.1 [INFO] tweaked toml for crates.io crate release 0.8.1 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6d506441502de5cacc5b51728c4aa2e32a5cc2a23b502873d52155c45c0aad52 [INFO] running `"docker" "start" "-a" "6d506441502de5cacc5b51728c4aa2e32a5cc2a23b502873d52155c45c0aad52"` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Compiling openssl-sys v0.9.55 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling libssh2-sys v0.2.17 [INFO] [stderr] Compiling curl-sys v0.4.31+curl-7.70.0 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling libgit2-sys v0.6.19 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking git2 v0.6.11 [INFO] [stderr] Checking release v0.8.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/tags.rs:100:19 [INFO] [stderr] | [INFO] [stderr] 100 | obj = try!(self.repo.revparse_single("HEAD")); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env::current_dir` [INFO] [stderr] --> src/tags.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::env::current_dir; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/tags.rs:100:19 [INFO] [stderr] | [INFO] [stderr] 100 | obj = try!(self.repo.revparse_single("HEAD")); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env::current_dir` [INFO] [stderr] --> src/tags.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::env::current_dir; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `E` [INFO] [stderr] --> src/main.rs:27:17 [INFO] [stderr] | [INFO] [stderr] 27 | Err(E) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_E` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tags.rs:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | let mut versions = self.get_tags().versions(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tags.rs:84:13 [INFO] [stderr] | [INFO] [stderr] 84 | let mut val; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tags.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | let mut obj; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/tags.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn iter(&self) -> Iter{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:25:17 [INFO] [stderr] | [INFO] [stderr] 25 | release.make_release(vtype); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `E` should have a snake case name [INFO] [stderr] --> src/main.rs:27:17 [INFO] [stderr] | [INFO] [stderr] 27 | Err(E) => { [INFO] [stderr] | ^ help: convert the identifier to snake case: `e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `E` should have a snake case name [INFO] [stderr] --> src/tags.rs:79:17 [INFO] [stderr] | [INFO] [stderr] 79 | Err(E) => Err(E) [INFO] [stderr] | ^ help: convert the identifier to snake case: `e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `E` [INFO] [stderr] --> src/main.rs:27:17 [INFO] [stderr] | [INFO] [stderr] 27 | Err(E) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_E` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tags.rs:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | let mut versions = self.get_tags().versions(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tags.rs:84:13 [INFO] [stderr] | [INFO] [stderr] 84 | let mut val; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tags.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | let mut obj; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/tags.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn iter(&self) -> Iter{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:25:17 [INFO] [stderr] | [INFO] [stderr] 25 | release.make_release(vtype); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `E` should have a snake case name [INFO] [stderr] --> src/main.rs:27:17 [INFO] [stderr] | [INFO] [stderr] 27 | Err(E) => { [INFO] [stderr] | ^ help: convert the identifier to snake case: `e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `E` should have a snake case name [INFO] [stderr] --> src/tags.rs:79:17 [INFO] [stderr] | [INFO] [stderr] 79 | Err(E) => Err(E) [INFO] [stderr] | ^ help: convert the identifier to snake case: `e` [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.14s [INFO] running `"docker" "inspect" "6d506441502de5cacc5b51728c4aa2e32a5cc2a23b502873d52155c45c0aad52"` [INFO] running `"docker" "rm" "-f" "6d506441502de5cacc5b51728c4aa2e32a5cc2a23b502873d52155c45c0aad52"` [INFO] [stdout] 6d506441502de5cacc5b51728c4aa2e32a5cc2a23b502873d52155c45c0aad52