[INFO] cloning repository https://github.com/taisuke101/rust-functional
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taisuke101/rust-functional" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaisuke101%2Frust-functional", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaisuke101%2Frust-functional'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53a76d2467de4198471b0dd7ae8ae3bb391605f4
[INFO] testing taisuke101/rust-functional against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaisuke101%2Frust-functional" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/taisuke101/rust-functional
[INFO] finished tweaking git repo https://github.com/taisuke101/rust-functional
[INFO] tweaked toml for git repo https://github.com/taisuke101/rust-functional written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/taisuke101/rust-functional on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/taisuke101/rust-functional 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07e3bbb216d23c707588901d0146b811b7f112658746723624a648703fdc487a
[INFO] running `Command { std: "docker" "start" "-a" "07e3bbb216d23c707588901d0146b811b7f112658746723624a648703fdc487a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07e3bbb216d23c707588901d0146b811b7f112658746723624a648703fdc487a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e3bbb216d23c707588901d0146b811b7f112658746723624a648703fdc487a", kill_on_drop: false }`
[INFO] [stdout] 07e3bbb216d23c707588901d0146b811b7f112658746723624a648703fdc487a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f60cef5b1e0e5175a40e3c934a3370c4da95a424787e9b680e62785eeffee9c
[INFO] running `Command { std: "docker" "start" "-a" "5f60cef5b1e0e5175a40e3c934a3370c4da95a424787e9b680e62785eeffee9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling rust-functional v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id` and `user` are never read
[INFO] [stdout]  --> src/read_json.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct User {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 6 |     pub id: String,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 7 |     pub user: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]  --> src/structs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Person {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     age: u8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `Command { std: "docker" "inspect" "5f60cef5b1e0e5175a40e3c934a3370c4da95a424787e9b680e62785eeffee9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f60cef5b1e0e5175a40e3c934a3370c4da95a424787e9b680e62785eeffee9c", kill_on_drop: false }`
[INFO] [stdout] 5f60cef5b1e0e5175a40e3c934a3370c4da95a424787e9b680e62785eeffee9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b6a74e734606985698b3bdd5afb9d15becaf1a55b6d0ecf8b53ae3ca0aa8ea8
[INFO] running `Command { std: "docker" "start" "-a" "9b6a74e734606985698b3bdd5afb9d15becaf1a55b6d0ecf8b53ae3ca0aa8ea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-functional v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id` and `user` are never read
[INFO] [stdout]  --> src/read_json.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct User {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 6 |     pub id: String,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 7 |     pub user: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]  --> src/structs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Person {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     age: u8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "9b6a74e734606985698b3bdd5afb9d15becaf1a55b6d0ecf8b53ae3ca0aa8ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6a74e734606985698b3bdd5afb9d15becaf1a55b6d0ecf8b53ae3ca0aa8ea8", kill_on_drop: false }`
[INFO] [stdout] 9b6a74e734606985698b3bdd5afb9d15becaf1a55b6d0ecf8b53ae3ca0aa8ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2600203d30e4b8786873db338a26c4df972cd0ec4ac7adf952e5a6bb72ff97ba
[INFO] running `Command { std: "docker" "start" "-a" "2600203d30e4b8786873db338a26c4df972cd0ec4ac7adf952e5a6bb72ff97ba", kill_on_drop: false }`
[INFO] [stderr] warning: fields `id` and `user` are never read
[INFO] [stderr]  --> src/read_json.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct User {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 6 |     pub id: String,
[INFO] [stderr]   |         ^^
[INFO] [stderr] 7 |     pub user: String,
[INFO] [stderr]   |         ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `age` are never read
[INFO] [stdout] 
[INFO] [stderr]  --> src/structs.rs:3:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 2 | struct Person {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |        ------ fields in this struct
[INFO] [stdout] 
[INFO] [stderr] 3 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 4 |     age: u8,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-functional` (bin "rust-functional" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_functional-db7f2c1604159ee6)
[INFO] running `Command { std: "docker" "inspect" "2600203d30e4b8786873db338a26c4df972cd0ec4ac7adf952e5a6bb72ff97ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2600203d30e4b8786873db338a26c4df972cd0ec4ac7adf952e5a6bb72ff97ba", kill_on_drop: false }`
[INFO] [stdout] 2600203d30e4b8786873db338a26c4df972cd0ec4ac7adf952e5a6bb72ff97ba