[INFO] fetching crate release 0.8.1... [INFO] checking release-0.8.1 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470 [INFO] extracting crate release 0.8.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate release 0.8.1 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] d1ea53d81ec9974d1c2eb377ce7d7d64c55656e223c4ed0f11545cd5099df1e0 [INFO] running `Command { std: "docker" "start" "-a" "d1ea53d81ec9974d1c2eb377ce7d7d64c55656e223c4ed0f11545cd5099df1e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d1ea53d81ec9974d1c2eb377ce7d7d64c55656e223c4ed0f11545cd5099df1e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1ea53d81ec9974d1c2eb377ce7d7d64c55656e223c4ed0f11545cd5099df1e0", kill_on_drop: false }` [INFO] [stdout] d1ea53d81ec9974d1c2eb377ce7d7d64c55656e223c4ed0f11545cd5099df1e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 7d3cccb20188594e6451e2114682359fa105d58f6975ba5ce46f0419a50bca07 [INFO] running `Command { std: "docker" "start" "-a" "7d3cccb20188594e6451e2114682359fa105d58f6975ba5ce46f0419a50bca07", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Checking unicode-normalization v0.1.16 [INFO] [stderr] Compiling openssl-sys v0.9.59 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Compiling curl-sys v0.4.39+curl-7.74.0 [INFO] [stderr] Compiling libssh2-sys v0.2.20 [INFO] [stderr] Compiling libgit2-sys v0.6.19 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking git2 v0.6.11 [INFO] [stderr] Checking release v0.8.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env::current_dir` [INFO] [stdout] --> src/tags.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::env::current_dir; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/tags.rs:100:19 [INFO] [stdout] | [INFO] [stdout] 100 | obj = try!(self.repo.revparse_single("HEAD")); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::current_dir` [INFO] [stdout] --> src/tags.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::env::current_dir; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/tags.rs:100:19 [INFO] [stdout] | [INFO] [stdout] 100 | obj = try!(self.repo.revparse_single("HEAD")); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `E` [INFO] [stdout] --> src/main.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | Err(E) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_E` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `E` [INFO] [stdout] --> src/main.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | Err(E) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_E` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tags.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | let mut versions = self.get_tags().versions(); [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/tags.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | let mut val; [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/tags.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | let mut obj; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/tags.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn iter(&self) -> Iter{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tags.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | let mut versions = self.get_tags().versions(); [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/tags.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | let mut val; [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/tags.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | let mut obj; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/tags.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn iter(&self) -> Iter{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | release.make_release(vtype); [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] [INFO] [stdout] [INFO] [stdout] warning: variable `E` should have a snake case name [INFO] [stdout] --> src/main.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | Err(E) => { [INFO] [stdout] | ^ help: convert the identifier to snake case: `e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `E` should have a snake case name [INFO] [stdout] --> src/tags.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | Err(E) => Err(E) [INFO] [stdout] | ^ help: convert the identifier to snake case: `e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | release.make_release(vtype); [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] [INFO] [stdout] [INFO] [stdout] warning: variable `E` should have a snake case name [INFO] [stdout] --> src/main.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | Err(E) => { [INFO] [stdout] | ^ help: convert the identifier to snake case: `e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `E` should have a snake case name [INFO] [stdout] --> src/tags.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | Err(E) => Err(E) [INFO] [stdout] | ^ help: convert the identifier to snake case: `e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `Command { std: "docker" "inspect" "7d3cccb20188594e6451e2114682359fa105d58f6975ba5ce46f0419a50bca07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d3cccb20188594e6451e2114682359fa105d58f6975ba5ce46f0419a50bca07", kill_on_drop: false }` [INFO] [stdout] 7d3cccb20188594e6451e2114682359fa105d58f6975ba5ce46f0419a50bca07