[INFO] updating cached repository https://github.com/sdfnz/cdd [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] 3baf27adad411b8c827de99eccf7906326f0d777 [INFO] checking sdfnz/cdd against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdfnz%2Fcdd" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sdfnz/cdd on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sdfnz/cdd [INFO] finished tweaking git repo https://github.com/sdfnz/cdd [INFO] tweaked toml for git repo https://github.com/sdfnz/cdd written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/sdfnz/cdd already has a lockfile, it will not be regenerated [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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] de66aa3f552711369ac295ff597109d7c9a638545d902fedd0a5421c329b01d5 [INFO] running `"docker" "start" "-a" "de66aa3f552711369ac295ff597109d7c9a638545d902fedd0a5421c329b01d5"` [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking cdd v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Result` [INFO] [stderr] --> src/main.rs:5:18 [INFO] [stderr] | [INFO] [stderr] 5 | use serde_json::{Result, Value, json}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Result` [INFO] [stderr] --> src/main.rs:5:18 [INFO] [stderr] | [INFO] [stderr] 5 | use serde_json::{Result, Value, json}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:56:33 [INFO] [stderr] | [INFO] [stderr] 56 | ... let mut contents = serde_json::to_string(&m) [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/main.rs:70:17 [INFO] [stderr] | [INFO] [stderr] 70 | fn add_bookmark(mut contents: &str, bname: &str, bdir: &Path) { [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/main.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | let mut bkmk_JSON = deser_file.as_object_mut() [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/main.rs:89:13 [INFO] [stderr] | [INFO] [stderr] 89 | let mut bookmarks = fs::File::open("cdd.json"); [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/main.rs:96:21 [INFO] [stderr] | [INFO] [stderr] 96 | let mut bkmk_JSON = deser_file.as_object_mut() [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/main.rs:126:21 [INFO] [stderr] | [INFO] [stderr] 126 | let mut bkmk_JSON = deser_file.as_object_mut() [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | file.read_to_string(&mut contents); [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 `bkmk_JSON` should have a snake case name [INFO] [stderr] --> src/main.rs:75:13 [INFO] [stderr] | [INFO] [stderr] 75 | let mut bkmk_JSON = deser_file.as_object_mut() [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `bkmk_json` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:93:17 [INFO] [stderr] | [INFO] [stderr] 93 | file.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `bkmk_JSON` should have a snake case name [INFO] [stderr] --> src/main.rs:96:25 [INFO] [stderr] | [INFO] [stderr] 96 | let mut bkmk_JSON = deser_file.as_object_mut() [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `bkmk_json` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:101:17 [INFO] [stderr] | [INFO] [stderr] 101 | fs::write("cdd.json", &new_bookmarks); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:123:17 [INFO] [stderr] | [INFO] [stderr] 123 | file.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `bkmk_JSON` should have a snake case name [INFO] [stderr] --> src/main.rs:126:25 [INFO] [stderr] | [INFO] [stderr] 126 | let mut bkmk_JSON = deser_file.as_object_mut() [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `bkmk_json` [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:56:33 [INFO] [stderr] | [INFO] [stderr] 56 | ... let mut contents = serde_json::to_string(&m) [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/main.rs:70:17 [INFO] [stderr] | [INFO] [stderr] 70 | fn add_bookmark(mut contents: &str, bname: &str, bdir: &Path) { [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/main.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | let mut bkmk_JSON = deser_file.as_object_mut() [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/main.rs:89:13 [INFO] [stderr] | [INFO] [stderr] 89 | let mut bookmarks = fs::File::open("cdd.json"); [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/main.rs:96:21 [INFO] [stderr] | [INFO] [stderr] 96 | let mut bkmk_JSON = deser_file.as_object_mut() [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/main.rs:126:21 [INFO] [stderr] | [INFO] [stderr] 126 | let mut bkmk_JSON = deser_file.as_object_mut() [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | file.read_to_string(&mut contents); [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 `bkmk_JSON` should have a snake case name [INFO] [stderr] --> src/main.rs:75:13 [INFO] [stderr] | [INFO] [stderr] 75 | let mut bkmk_JSON = deser_file.as_object_mut() [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `bkmk_json` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:93:17 [INFO] [stderr] | [INFO] [stderr] 93 | file.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `bkmk_JSON` should have a snake case name [INFO] [stderr] --> src/main.rs:96:25 [INFO] [stderr] | [INFO] [stderr] 96 | let mut bkmk_JSON = deser_file.as_object_mut() [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `bkmk_json` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:101:17 [INFO] [stderr] | [INFO] [stderr] 101 | fs::write("cdd.json", &new_bookmarks); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:123:17 [INFO] [stderr] | [INFO] [stderr] 123 | file.read_to_string(&mut contents); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `bkmk_JSON` should have a snake case name [INFO] [stderr] --> src/main.rs:126:25 [INFO] [stderr] | [INFO] [stderr] 126 | let mut bkmk_JSON = deser_file.as_object_mut() [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `bkmk_json` [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.30s [INFO] running `"docker" "inspect" "de66aa3f552711369ac295ff597109d7c9a638545d902fedd0a5421c329b01d5"` [INFO] running `"docker" "rm" "-f" "de66aa3f552711369ac295ff597109d7c9a638545d902fedd0a5421c329b01d5"` [INFO] [stdout] de66aa3f552711369ac295ff597109d7c9a638545d902fedd0a5421c329b01d5