[INFO] updating cached repository https://github.com/mthomasuk/basic-rust-http-server [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d1a4acb4779d023e4febd2bba0d8666de17742ea [INFO] checking mthomasuk/basic-rust-http-server against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthomasuk%2Fbasic-rust-http-server" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mthomasuk/basic-rust-http-server on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mthomasuk/basic-rust-http-server [INFO] finished tweaking git repo https://github.com/mthomasuk/basic-rust-http-server [INFO] tweaked toml for git repo https://github.com/mthomasuk/basic-rust-http-server written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/mthomasuk/basic-rust-http-server already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] f96adaca828ad54805f47c3a284dc455e53f5bd5a282b9367466a29b9f3df3d2 [INFO] running `"docker" "start" "-a" "f96adaca828ad54805f47c3a284dc455e53f5bd5a282b9367466a29b9f3df3d2"` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling proc-macro2 v0.4.26 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking arrayref v0.3.5 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking constant_time_eq v0.1.3 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Compiling serde v1.0.85 [INFO] [stderr] Checking md5 v0.3.8 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking phf_shared v0.7.24 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking smallvec v0.6.8 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking socket2 v0.3.8 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking generic-array v0.9.0 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking crypto-mac v0.5.2 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking stringprep v0.1.2 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking hmac v0.5.0 [INFO] [stderr] Checking postgres-protocol v0.3.2 [INFO] [stderr] Checking postgres-shared v0.4.2 [INFO] [stderr] Checking postgres v0.15.2 [INFO] [stderr] Compiling serde_derive v1.0.85 [INFO] [stderr] Checking serde_json v1.0.37 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking web-serve v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/threading/mod.rs:24:16 [INFO] [stderr] | [INFO] [stderr] 24 | type Job = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/threading/mod.rs:39:39 [INFO] [stderr] | [INFO] [stderr] 39 | let safe_size = if size < 1 { (1) } else { (size) }; [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/threading/mod.rs:39:52 [INFO] [stderr] | [INFO] [stderr] 39 | let safe_size = if size < 1 { (1) } else { (size) }; [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/request/mod.rs:146:17 [INFO] [stderr] | [INFO] [stderr] 146 | let mut mapped_json = json.join(","); [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: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/threading/mod.rs:24:16 [INFO] [stderr] | [INFO] [stderr] 24 | type Job = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/threading/mod.rs:39:39 [INFO] [stderr] | [INFO] [stderr] 39 | let safe_size = if size < 1 { (1) } else { (size) }; [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/threading/mod.rs:39:52 [INFO] [stderr] | [INFO] [stderr] 39 | let safe_size = if size < 1 { (1) } else { (size) }; [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/request/mod.rs:146:17 [INFO] [stderr] | [INFO] [stderr] 146 | let mut mapped_json = json.join(","); [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: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 56.35s [INFO] running `"docker" "inspect" "f96adaca828ad54805f47c3a284dc455e53f5bd5a282b9367466a29b9f3df3d2"` [INFO] running `"docker" "rm" "-f" "f96adaca828ad54805f47c3a284dc455e53f5bd5a282b9367466a29b9f3df3d2"` [INFO] [stdout] f96adaca828ad54805f47c3a284dc455e53f5bd5a282b9367466a29b9f3df3d2