[INFO] updating cached repository https://github.com/silphire/pjs [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] 35137062a873d0f554cbe2062af10fc762d54e02 [INFO] checking silphire/pjs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilphire%2Fpjs" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/silphire/pjs 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/silphire/pjs [INFO] finished tweaking git repo https://github.com/silphire/pjs [INFO] tweaked toml for git repo https://github.com/silphire/pjs written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/silphire/pjs 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] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f714ef120e5ad0214763242e83b93cddab4e46ca03e48bc5b5d971e2fc1ab51c [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" "f714ef120e5ad0214763242e83b93cddab4e46ca03e48bc5b5d971e2fc1ab51c"` [INFO] [stderr] Checking pjs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/prettify.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/prettify.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/prettify.rs:91:49 [INFO] [stderr] | [INFO] [stderr] 91 | println!("Cannot open {} {}", path.display(), Error::description(&why)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/prettify.rs:91:49 [INFO] [stderr] | [INFO] [stderr] 91 | println!("Cannot open {} {}", path.display(), Error::description(&why)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:22:15 [INFO] [stderr] | [INFO] [stderr] 22 | fn parse_json(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:22:30 [INFO] [stderr] | [INFO] [stderr] 22 | fn parse_json(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:28:21 [INFO] [stderr] | [INFO] [stderr] 28 | fn parse_whitespace(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:28:36 [INFO] [stderr] | [INFO] [stderr] 28 | fn parse_whitespace(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:34:16 [INFO] [stderr] | [INFO] [stderr] 34 | fn parse_value(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:34:31 [INFO] [stderr] | [INFO] [stderr] 34 | fn parse_value(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:40:17 [INFO] [stderr] | [INFO] [stderr] 40 | fn parse_object(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:40:32 [INFO] [stderr] | [INFO] [stderr] 40 | fn parse_object(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:46:17 [INFO] [stderr] | [INFO] [stderr] 46 | fn parse_member(json: &String, index: &i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:46:32 [INFO] [stderr] | [INFO] [stderr] 46 | fn parse_member(json: &String, index: &i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:52:16 [INFO] [stderr] | [INFO] [stderr] 52 | fn parse_array(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:52:31 [INFO] [stderr] | [INFO] [stderr] 52 | fn parse_array(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | fn parse_number(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:58:32 [INFO] [stderr] | [INFO] [stderr] 58 | fn parse_number(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | fn parse_string(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:64:32 [INFO] [stderr] | [INFO] [stderr] 64 | fn parse_string(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/prettify.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut prettified = String::new(); [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: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:22:15 [INFO] [stderr] | [INFO] [stderr] 22 | fn parse_json(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:22:30 [INFO] [stderr] | [INFO] [stderr] 22 | fn parse_json(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:28:21 [INFO] [stderr] | [INFO] [stderr] 28 | fn parse_whitespace(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:28:36 [INFO] [stderr] | [INFO] [stderr] 28 | fn parse_whitespace(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:34:16 [INFO] [stderr] | [INFO] [stderr] 34 | fn parse_value(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:34:31 [INFO] [stderr] | [INFO] [stderr] 34 | fn parse_value(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:40:17 [INFO] [stderr] | [INFO] [stderr] 40 | fn parse_object(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:40:32 [INFO] [stderr] | [INFO] [stderr] 40 | fn parse_object(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:46:17 [INFO] [stderr] | [INFO] [stderr] 46 | fn parse_member(json: &String, index: &i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:46:32 [INFO] [stderr] | [INFO] [stderr] 46 | fn parse_member(json: &String, index: &i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:52:16 [INFO] [stderr] | [INFO] [stderr] 52 | fn parse_array(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:52:31 [INFO] [stderr] | [INFO] [stderr] 52 | fn parse_array(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | fn parse_number(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:58:32 [INFO] [stderr] | [INFO] [stderr] 58 | fn parse_number(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `json` [INFO] [stderr] --> src/prettify.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | fn parse_string(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_json` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/prettify.rs:64:32 [INFO] [stderr] | [INFO] [stderr] 64 | fn parse_string(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_whitespace` [INFO] [stderr] --> src/prettify.rs:28:4 [INFO] [stderr] | [INFO] [stderr] 28 | fn parse_whitespace(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_value` [INFO] [stderr] --> src/prettify.rs:34:4 [INFO] [stderr] | [INFO] [stderr] 34 | fn parse_value(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_object` [INFO] [stderr] --> src/prettify.rs:40:4 [INFO] [stderr] | [INFO] [stderr] 40 | fn parse_object(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_member` [INFO] [stderr] --> src/prettify.rs:46:4 [INFO] [stderr] | [INFO] [stderr] 46 | fn parse_member(json: &String, index: &i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_array` [INFO] [stderr] --> src/prettify.rs:52:4 [INFO] [stderr] | [INFO] [stderr] 52 | fn parse_array(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_number` [INFO] [stderr] --> src/prettify.rs:58:4 [INFO] [stderr] | [INFO] [stderr] 58 | fn parse_number(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_string` [INFO] [stderr] --> src/prettify.rs:64:4 [INFO] [stderr] | [INFO] [stderr] 64 | fn parse_string(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/prettify.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut prettified = String::new(); [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: function is never used: `parse_whitespace` [INFO] [stderr] --> src/prettify.rs:28:4 [INFO] [stderr] | [INFO] [stderr] 28 | fn parse_whitespace(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_value` [INFO] [stderr] --> src/prettify.rs:34:4 [INFO] [stderr] | [INFO] [stderr] 34 | fn parse_value(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_object` [INFO] [stderr] --> src/prettify.rs:40:4 [INFO] [stderr] | [INFO] [stderr] 40 | fn parse_object(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_member` [INFO] [stderr] --> src/prettify.rs:46:4 [INFO] [stderr] | [INFO] [stderr] 46 | fn parse_member(json: &String, index: &i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_array` [INFO] [stderr] --> src/prettify.rs:52:4 [INFO] [stderr] | [INFO] [stderr] 52 | fn parse_array(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_number` [INFO] [stderr] --> src/prettify.rs:58:4 [INFO] [stderr] | [INFO] [stderr] 58 | fn parse_number(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_string` [INFO] [stderr] --> src/prettify.rs:64:4 [INFO] [stderr] | [INFO] [stderr] 64 | fn parse_string(json: &String, index: i32) -> String { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 26 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 26 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `"docker" "inspect" "f714ef120e5ad0214763242e83b93cddab4e46ca03e48bc5b5d971e2fc1ab51c"` [INFO] running `"docker" "rm" "-f" "f714ef120e5ad0214763242e83b93cddab4e46ca03e48bc5b5d971e2fc1ab51c"` [INFO] [stdout] f714ef120e5ad0214763242e83b93cddab4e46ca03e48bc5b5d971e2fc1ab51c