[INFO] updating cached repository https://github.com/TonyHsieh/rustack [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] b2a0fffbb31341381b0cdf9e16ea5e3d67b3ddc3 [INFO] checking TonyHsieh/rustack against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyHsieh%2Frustack" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TonyHsieh/rustack 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/TonyHsieh/rustack [INFO] finished tweaking git repo https://github.com/TonyHsieh/rustack [INFO] tweaked toml for git repo https://github.com/TonyHsieh/rustack written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/TonyHsieh/rustack already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"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" "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] [stdout] e71fe6c1005849f2db384a9a1fa9bc1dc8b61665cb68c4ef726252996854dcd6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "e71fe6c1005849f2db384a9a1fa9bc1dc8b61665cb68c4ef726252996854dcd6"` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling libsqlite3-sys v0.17.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking rusqlite v0.21.0 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking rustack v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> main.rs:70:90 [INFO] [stderr] | [INFO] [stderr] 70 | fn stack_pop(connect: &rusqlite::Connection, dataMap: HashMap) -> Result<(String)>{ [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:74:3 [INFO] [stderr] | [INFO] [stderr] 74 | / /** [INFO] [stderr] 75 | | let pop_data:String = connect.query_row_and_then( [INFO] [stderr] 76 | | "SELECT stackname, data, MAX(rowid) FROM storage WHERE stackname='?';", [INFO] [stderr] 77 | | params![dataMap["stackname"]], [INFO] [stderr] 78 | | |row| row.get(0), [INFO] [stderr] 79 | | ).unwrap(); [INFO] [stderr] 80 | | **/ [INFO] [stderr] | |_____^ [INFO] [stderr] 81 | [INFO] [stderr] 82 | / let pop_data:Result< String > = connect.query_row_and_then( [INFO] [stderr] 83 | | "SELECT data, MAX(rowid) FROM storage WHERE stackname= ?1;", [INFO] [stderr] 84 | | params![dataMap["stackname"]], [INFO] [stderr] 85 | | |row| row.get(0), [INFO] [stderr] 86 | | ); [INFO] [stderr] | |____- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:184:3 [INFO] [stderr] | [INFO] [stderr] 184 | / /** [INFO] [stderr] 185 | | let raw_string = first_json_bracket(&format!("{}", String::from_utf8_lossy(&buffer[..]).to_string())); [INFO] [stderr] 186 | | attempt_json_parse(raw_string.to_string()); [INFO] [stderr] 187 | | **/ [INFO] [stderr] | |_____^ [INFO] [stderr] ... [INFO] [stderr] 200 | let get = b"GET"; [INFO] [stderr] | ----------------- rustdoc does not generate documentation for statements [INFO] [stderr] [INFO] [stderr] warning: unused variable: `error` [INFO] [stderr] --> main.rs:99:9 [INFO] [stderr] | [INFO] [stderr] 99 | Err(error) => format!("Stack Underflow!"), [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `connect` [INFO] [stderr] --> main.rs:106:15 [INFO] [stderr] | [INFO] [stderr] 106 | fn stack_peek(connect: &rusqlite::Connection, dataMap: HashMap) -> Result{ [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connect` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dataMap` [INFO] [stderr] --> main.rs:106:47 [INFO] [stderr] | [INFO] [stderr] 106 | fn stack_peek(connect: &rusqlite::Connection, dataMap: HashMap) -> Result{ [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataMap` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `stack_peek` [INFO] [stderr] --> main.rs:106:4 [INFO] [stderr] | [INFO] [stderr] 106 | fn stack_peek(connect: &rusqlite::Connection, dataMap: HashMap) -> Result{ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> main.rs:70:90 [INFO] [stderr] | [INFO] [stderr] 70 | fn stack_pop(connect: &rusqlite::Connection, dataMap: HashMap) -> Result<(String)>{ [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:74:3 [INFO] [stderr] | [INFO] [stderr] 74 | / /** [INFO] [stderr] 75 | | let pop_data:String = connect.query_row_and_then( [INFO] [stderr] 76 | | "SELECT stackname, data, MAX(rowid) FROM storage WHERE stackname='?';", [INFO] [stderr] 77 | | params![dataMap["stackname"]], [INFO] [stderr] 78 | | |row| row.get(0), [INFO] [stderr] 79 | | ).unwrap(); [INFO] [stderr] 80 | | **/ [INFO] [stderr] | |_____^ [INFO] [stderr] 81 | [INFO] [stderr] 82 | / let pop_data:Result< String > = connect.query_row_and_then( [INFO] [stderr] 83 | | "SELECT data, MAX(rowid) FROM storage WHERE stackname= ?1;", [INFO] [stderr] 84 | | params![dataMap["stackname"]], [INFO] [stderr] 85 | | |row| row.get(0), [INFO] [stderr] 86 | | ); [INFO] [stderr] | |____- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> main.rs:184:3 [INFO] [stderr] | [INFO] [stderr] 184 | / /** [INFO] [stderr] 185 | | let raw_string = first_json_bracket(&format!("{}", String::from_utf8_lossy(&buffer[..]).to_string())); [INFO] [stderr] 186 | | attempt_json_parse(raw_string.to_string()); [INFO] [stderr] 187 | | **/ [INFO] [stderr] | |_____^ [INFO] [stderr] ... [INFO] [stderr] 200 | let get = b"GET"; [INFO] [stderr] | ----------------- rustdoc does not generate documentation for statements [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> main.rs:27:3 [INFO] [stderr] | [INFO] [stderr] 27 | init_db(&conn); [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 `dataMap` should have a snake case name [INFO] [stderr] --> main.rs:54:47 [INFO] [stderr] | [INFO] [stderr] 54 | fn stack_push(connect: &rusqlite::Connection, dataMap: HashMap) -> Result { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `data_map` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `dataMap` should have a snake case name [INFO] [stderr] --> main.rs:70:46 [INFO] [stderr] | [INFO] [stderr] 70 | fn stack_pop(connect: &rusqlite::Connection, dataMap: HashMap) -> Result<(String)>{ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `data_map` [INFO] [stderr] [INFO] [stderr] warning: variable `dataMap` should have a snake case name [INFO] [stderr] --> main.rs:106:47 [INFO] [stderr] | [INFO] [stderr] 106 | fn stack_peek(connect: &rusqlite::Connection, dataMap: HashMap) -> Result{ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `data_map` [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `error` [INFO] [stderr] --> main.rs:99:9 [INFO] [stderr] | [INFO] [stderr] 99 | Err(error) => format!("Stack Underflow!"), [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `connect` [INFO] [stderr] --> main.rs:106:15 [INFO] [stderr] | [INFO] [stderr] 106 | fn stack_peek(connect: &rusqlite::Connection, dataMap: HashMap) -> Result{ [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connect` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dataMap` [INFO] [stderr] --> main.rs:106:47 [INFO] [stderr] | [INFO] [stderr] 106 | fn stack_peek(connect: &rusqlite::Connection, dataMap: HashMap) -> Result{ [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataMap` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `stack_peek` [INFO] [stderr] --> main.rs:106:4 [INFO] [stderr] | [INFO] [stderr] 106 | fn stack_peek(connect: &rusqlite::Connection, dataMap: HashMap) -> Result{ [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] --> main.rs:27:3 [INFO] [stderr] | [INFO] [stderr] 27 | init_db(&conn); [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 `dataMap` should have a snake case name [INFO] [stderr] --> main.rs:54:47 [INFO] [stderr] | [INFO] [stderr] 54 | fn stack_push(connect: &rusqlite::Connection, dataMap: HashMap) -> Result { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `data_map` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `dataMap` should have a snake case name [INFO] [stderr] --> main.rs:70:46 [INFO] [stderr] | [INFO] [stderr] 70 | fn stack_pop(connect: &rusqlite::Connection, dataMap: HashMap) -> Result<(String)>{ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `data_map` [INFO] [stderr] [INFO] [stderr] warning: variable `dataMap` should have a snake case name [INFO] [stderr] --> main.rs:106:47 [INFO] [stderr] | [INFO] [stderr] 106 | fn stack_peek(connect: &rusqlite::Connection, dataMap: HashMap) -> Result{ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `data_map` [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.27s [INFO] running `"docker" "inspect" "e71fe6c1005849f2db384a9a1fa9bc1dc8b61665cb68c4ef726252996854dcd6"` [INFO] running `"docker" "rm" "-f" "e71fe6c1005849f2db384a9a1fa9bc1dc8b61665cb68c4ef726252996854dcd6"` [INFO] [stdout] e71fe6c1005849f2db384a9a1fa9bc1dc8b61665cb68c4ef726252996854dcd6