[INFO] cloning repository https://github.com/emilio/searchfox-rustc-analyser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emilio/searchfox-rustc-analyser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilio%2Fsearchfox-rustc-analyser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilio%2Fsearchfox-rustc-analyser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 053686ff21cebf591dfe106d1d7c9f9bf3b04c93 [INFO] checking emilio/searchfox-rustc-analyser against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilio%2Fsearchfox-rustc-analyser" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/emilio/searchfox-rustc-analyser on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/emilio/searchfox-rustc-analyser [INFO] finished tweaking git repo https://github.com/emilio/searchfox-rustc-analyser [INFO] tweaked toml for git repo https://github.com/emilio/searchfox-rustc-analyser written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/emilio/searchfox-rustc-analyser already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f9cf20a9a2ed5ab49e0bd748e2310840baf4f1cd87916c9976cc37d90afb5a8 [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" "6f9cf20a9a2ed5ab49e0bd748e2310840baf4f1cd87916c9976cc37d90afb5a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f9cf20a9a2ed5ab49e0bd748e2310840baf4f1cd87916c9976cc37d90afb5a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f9cf20a9a2ed5ab49e0bd748e2310840baf4f1cd87916c9976cc37d90afb5a8", kill_on_drop: false }` [INFO] [stdout] 6f9cf20a9a2ed5ab49e0bd748e2310840baf4f1cd87916c9976cc37d90afb5a8 [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d7bc7f08af2a74e279446d6c3e2f3e89935a9537d4f42607967aaba4c659f296 [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" "d7bc7f08af2a74e279446d6c3e2f3e89935a9537d4f42607967aaba4c659f296", kill_on_drop: false }` [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking serde v1.0.20 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking atty v0.2.3 [INFO] [stderr] Compiling derive-new v0.5.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking clap v2.27.1 [INFO] [stderr] Checking rls-span v0.4.0 [INFO] [stderr] Checking rls-data v0.12.0 [INFO] [stderr] Checking rls-analysis v0.8.1 [INFO] [stderr] Checking serde_json v1.0.6 [INFO] [stderr] Checking searchfox-rustc-analyser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | let mut file_analysis = [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 192 | flat_map_per_file!(imports); [INFO] [stdout] | ---------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [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/main.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | let mut file_analysis = [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 193 | flat_map_per_file!(defs); [INFO] [stdout] | ------------------------- in this macro invocation [INFO] [stdout] | [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/main.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | let mut file_analysis = [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 194 | flat_map_per_file!(impls); [INFO] [stdout] | -------------------------- in this macro invocation [INFO] [stdout] | [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/main.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | let mut file_analysis = [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 195 | flat_map_per_file!(refs); [INFO] [stdout] | ------------------------- in this macro invocation [INFO] [stdout] | [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/main.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | let mut file_analysis = [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 196 | flat_map_per_file!(macro_refs); [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [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/main.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | let mut file_analysis = [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 197 | flat_map_per_file!(relations); [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | let mut file_analysis = [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 192 | flat_map_per_file!(imports); [INFO] [stdout] | ---------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [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/main.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | let mut file_analysis = [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 193 | flat_map_per_file!(defs); [INFO] [stdout] | ------------------------- in this macro invocation [INFO] [stdout] | [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/main.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | let mut file_analysis = [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 194 | flat_map_per_file!(impls); [INFO] [stdout] | -------------------------- in this macro invocation [INFO] [stdout] | [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/main.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | let mut file_analysis = [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 195 | flat_map_per_file!(refs); [INFO] [stdout] | ------------------------- in this macro invocation [INFO] [stdout] | [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/main.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | let mut file_analysis = [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 196 | flat_map_per_file!(macro_refs); [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [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/main.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | let mut file_analysis = [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 197 | flat_map_per_file!(relations); [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.88s [INFO] running `Command { std: "docker" "inspect" "d7bc7f08af2a74e279446d6c3e2f3e89935a9537d4f42607967aaba4c659f296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7bc7f08af2a74e279446d6c3e2f3e89935a9537d4f42607967aaba4c659f296", kill_on_drop: false }` [INFO] [stdout] d7bc7f08af2a74e279446d6c3e2f3e89935a9537d4f42607967aaba4c659f296