[INFO] cloning repository https://github.com/KazukiMiyazato2021/conf_loader_with_validation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KazukiMiyazato2021/conf_loader_with_validation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazukiMiyazato2021%2Fconf_loader_with_validation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazukiMiyazato2021%2Fconf_loader_with_validation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 093ce278c7a5049bd29cbd60a675037e0cb28629
[INFO] checking KazukiMiyazato2021/conf_loader_with_validation against try#d534db0721b23cf977073bf4cd306dbf501e6b4d for pr-138499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazukiMiyazato2021%2Fconf_loader_with_validation" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KazukiMiyazato2021/conf_loader_with_validation on toolchain d534db0721b23cf977073bf4cd306dbf501e6b4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d534db0721b23cf977073bf4cd306dbf501e6b4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KazukiMiyazato2021/conf_loader_with_validation
[INFO] finished tweaking git repo https://github.com/KazukiMiyazato2021/conf_loader_with_validation
[INFO] tweaked toml for git repo https://github.com/KazukiMiyazato2021/conf_loader_with_validation written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/KazukiMiyazato2021/conf_loader_with_validation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d534db0721b23cf977073bf4cd306dbf501e6b4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+d534db0721b23cf977073bf4cd306dbf501e6b4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c318389bf42c11a990fefccaf0b983f4934b37831aa08ebfef4e3489b0bf0127
[INFO] running `Command { std: "docker" "start" "-a" "c318389bf42c11a990fefccaf0b983f4934b37831aa08ebfef4e3489b0bf0127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c318389bf42c11a990fefccaf0b983f4934b37831aa08ebfef4e3489b0bf0127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c318389bf42c11a990fefccaf0b983f4934b37831aa08ebfef4e3489b0bf0127", kill_on_drop: false }`
[INFO] [stdout] c318389bf42c11a990fefccaf0b983f4934b37831aa08ebfef4e3489b0bf0127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+d534db0721b23cf977073bf4cd306dbf501e6b4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5cfe1215fdd1af7d14300b35415892c54189ef6a1ed3f1f96821686f3d91507
[INFO] running `Command { std: "docker" "start" "-a" "e5cfe1215fdd1af7d14300b35415892c54189ef6a1ed3f1f96821686f3d91507", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking conf_loader_with_validation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ConfList` is more private than the item `parse`
[INFO] [stdout]    --> src/lib.rs:237:1
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub fn parse(file_path: &str, schema_path: Option<&str>) -> Result<ConfList, Box<dyn Error>> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `parse` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `ConfList` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/lib.rs:88:1
[INFO] [stdout]     |
[INFO] [stdout] 88  | struct ConfList {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeMismatchError` is never constructed
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct TypeMismatchError;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ConfList` is more private than the item `parse`
[INFO] [stdout]    --> src/lib.rs:237:1
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub fn parse(file_path: &str, schema_path: Option<&str>) -> Result<ConfList, Box<dyn Error>> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `parse` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `ConfList` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/lib.rs:88:1
[INFO] [stdout]     |
[INFO] [stdout] 88  | struct ConfList {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |     StrValue(String),
[INFO] [stdout]    |     -------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     StrValue(String),
[INFO] [stdout] 27 +     StrValue(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |     BoolValue(bool),
[INFO] [stdout]    |     --------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 -     BoolValue(bool),
[INFO] [stdout] 28 +     BoolValue(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     NumberValue(f64),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     NumberValue(f64),
[INFO] [stdout] 29 +     NumberValue(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ConfVec` is never used
[INFO] [stdout]   --> src/lib.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 | type ConfVec = Vec<(String, ConfVecValue)>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ConfVecValue` is never used
[INFO] [stdout]   --> src/lib.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum ConfVecValue {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_str`, `as_bool`, `as_number`, and `as_conf` are never used
[INFO] [stdout]   --> src/lib.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl ConfValue {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 45 |     fn as_str(&self) -> Result<&String, TypeMismatchError> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn as_bool(&self) -> Result<bool, TypeMismatchError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn as_number(&self) -> Result<f64, TypeMismatchError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn as_conf(&self) -> Result<&ConfList, TypeMismatchError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_vec` is never used
[INFO] [stdout]    --> src/lib.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 92  | impl ConfList {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 175 |     fn to_vec(&self) -> ConfVec {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Value` is never used
[INFO] [stdout]    --> src/lib.rs:211:7
[INFO] [stdout]     |
[INFO] [stdout] 211 | trait Value<T>: std::fmt::Debug {
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_number` and `as_conf` are never used
[INFO] [stdout]   --> src/lib.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl ConfValue {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn as_number(&self) -> Result<f64, TypeMismatchError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn as_conf(&self) -> Result<&ConfList, TypeMismatchError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Value` is never used
[INFO] [stdout]    --> src/lib.rs:211:7
[INFO] [stdout]     |
[INFO] [stdout] 211 | trait Value<T>: std::fmt::Debug {
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "e5cfe1215fdd1af7d14300b35415892c54189ef6a1ed3f1f96821686f3d91507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5cfe1215fdd1af7d14300b35415892c54189ef6a1ed3f1f96821686f3d91507", kill_on_drop: false }`
[INFO] [stdout] e5cfe1215fdd1af7d14300b35415892c54189ef6a1ed3f1f96821686f3d91507