[INFO] cloning repository https://github.com/Aapuji/math-lang-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aapuji/math-lang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAapuji%2Fmath-lang-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAapuji%2Fmath-lang-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bab3c3be8b8c53198690e9ea57f899ee5f78af6
[INFO] testing Aapuji/math-lang-rs against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAapuji%2Fmath-lang-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aapuji/math-lang-rs
[INFO] finished tweaking git repo https://github.com/Aapuji/math-lang-rs
[INFO] tweaked toml for git repo https://github.com/Aapuji/math-lang-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aapuji/math-lang-rs on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aapuji/math-lang-rs 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c41df4104dd417788be808d1e6e6a42d155db90a4efaf1693962494aaa7c7551
[INFO] running `Command { std: "docker" "start" "-a" "c41df4104dd417788be808d1e6e6a42d155db90a4efaf1693962494aaa7c7551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c41df4104dd417788be808d1e6e6a42d155db90a4efaf1693962494aaa7c7551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41df4104dd417788be808d1e6e6a42d155db90a4efaf1693962494aaa7c7551", kill_on_drop: false }`
[INFO] [stdout] c41df4104dd417788be808d1e6e6a42d155db90a4efaf1693962494aaa7c7551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f27a14eb5fd762fec7fb20f558942ede568d7d9eb525b4b3de99d3c5fee76878
[INFO] running `Command { std: "docker" "start" "-a" "f27a14eb5fd762fec7fb20f558942ede568d7d9eb525b4b3de99d3c5fee76878", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/config.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |   File(String)
[INFO] [stdout]   |   ---- ^^^^^^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Mode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 4 -   File(String)
[INFO] [stdout] 4 +   File(())
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mode` is never read
[INFO] [stdout]  --> src/config.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |   mode: Mode
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mode` is never used
[INFO] [stdout]   --> src/config.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Config {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |   fn mode(&self) -> Mode {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/main.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let config = Config::build(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]   |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "f27a14eb5fd762fec7fb20f558942ede568d7d9eb525b4b3de99d3c5fee76878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27a14eb5fd762fec7fb20f558942ede568d7d9eb525b4b3de99d3c5fee76878", kill_on_drop: false }`
[INFO] [stdout] f27a14eb5fd762fec7fb20f558942ede568d7d9eb525b4b3de99d3c5fee76878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7333efd6afa655b8ebd04d304cdbe14e645b3c4a2d3fd6acad3b87b411e527de
[INFO] running `Command { std: "docker" "start" "-a" "7333efd6afa655b8ebd04d304cdbe14e645b3c4a2d3fd6acad3b87b411e527de", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/config.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |   File(String)
[INFO] [stdout]   |   ---- ^^^^^^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Mode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 4 -   File(String)
[INFO] [stdout] 4 +   File(())
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mode` is never read
[INFO] [stdout]  --> src/config.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |   mode: Mode
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mode` is never used
[INFO] [stdout]   --> src/config.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Config {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |   fn mode(&self) -> Mode {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/config.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |   File(String)
[INFO] [stdout]   |   ---- ^^^^^^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Mode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 4 -   File(String)
[INFO] [stdout] 4 +   File(())
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mode` is never read
[INFO] [stdout]  --> src/config.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |   mode: Mode
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mode` is never used
[INFO] [stdout]   --> src/config.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Config {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |   fn mode(&self) -> Mode {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/main.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let config = Config::build(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]   |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "7333efd6afa655b8ebd04d304cdbe14e645b3c4a2d3fd6acad3b87b411e527de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7333efd6afa655b8ebd04d304cdbe14e645b3c4a2d3fd6acad3b87b411e527de", kill_on_drop: false }`
[INFO] [stdout] 7333efd6afa655b8ebd04d304cdbe14e645b3c4a2d3fd6acad3b87b411e527de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6b07ba5e2c4ead85b44561bbe1f44c5c1f056c3a49167a98b06fdf7898fd471
[INFO] running `Command { std: "docker" "start" "-a" "d6b07ba5e2c4ead85b44561bbe1f44c5c1f056c3a49167a98b06fdf7898fd471", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/config.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 |   File(String)
[INFO] [stderr]   |   ---- ^^^^^^
[INFO] [stderr]   |   |
[INFO] [stderr]   |   field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Mode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 4 -   File(String)
[INFO] [stderr] 4 +   File(())
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `mode` is never read
[INFO] [stderr]  --> src/config.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Config {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] 9 |   mode: Mode
[INFO] [stderr]   |   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `mode` is never used
[INFO] [stderr]   --> src/config.rs:30:6
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Config {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 30 |   fn mode(&self) -> Mode {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `math-lang` (lib) generated 3 warnings
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/main.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 |   let config = Config::build(env::args()).unwrap_or_else(|err| {
[INFO] [stderr]   |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `math-lang` (bin "math-lang" test) generated 1 warning (run `cargo fix --bin "math-lang" -p math-lang --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `math-lang` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/math_lang-c54d97da2c249d45)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/math_lang-c598bd6d72648451)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests math_lang
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6b07ba5e2c4ead85b44561bbe1f44c5c1f056c3a49167a98b06fdf7898fd471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b07ba5e2c4ead85b44561bbe1f44c5c1f056c3a49167a98b06fdf7898fd471", kill_on_drop: false }`
[INFO] [stdout] d6b07ba5e2c4ead85b44561bbe1f44c5c1f056c3a49167a98b06fdf7898fd471
