[INFO] cloning repository https://github.com/emmalexandria/chroma
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emmalexandria/chroma" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmalexandria%2Fchroma", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmalexandria%2Fchroma'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cacf7cc06d636a95d24a7219ac3f1ea0fa6f98a
[INFO] testing emmalexandria/chroma against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmalexandria%2Fchroma" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emmalexandria/chroma
[INFO] finished tweaking git repo https://github.com/emmalexandria/chroma
[INFO] tweaked toml for git repo https://github.com/emmalexandria/chroma written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emmalexandria/chroma on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emmalexandria/chroma 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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d30585dcc5476b15186d35a3db4fc377bf85f2c44c2c16983ee516ee16d3a32c
[INFO] running `Command { std: "docker" "start" "-a" "d30585dcc5476b15186d35a3db4fc377bf85f2c44c2c16983ee516ee16d3a32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d30585dcc5476b15186d35a3db4fc377bf85f2c44c2c16983ee516ee16d3a32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30585dcc5476b15186d35a3db4fc377bf85f2c44c2c16983ee516ee16d3a32c", kill_on_drop: false }`
[INFO] [stdout] d30585dcc5476b15186d35a3db4fc377bf85f2c44c2c16983ee516ee16d3a32c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 655ca16388a4f388b5241b7cd82c8dc658b4d3c17026c9e2b5cde07e1e2b3e19
[INFO] running `Command { std: "docker" "start" "-a" "655ca16388a4f388b5241b7cd82c8dc658b4d3c17026c9e2b5cde07e1e2b3e19", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling chroma v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]  --> src/colors.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Color {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Ansi16` is never used
[INFO] [stdout]  --> src/colors/ansi16.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Ansi16 {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidName` and `U8TooLarge` are never constructed
[INFO] [stdout]   --> src/colors/ansi16.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum Ansi16Error {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 27 |     InvalidName,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 28 |     U8TooLarge,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ansi16Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_name_variants` is never used
[INFO] [stdout]   --> src/colors/ansi16.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_name_variants<S: ToString>(name: S) -> [String; 2] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ansi256` is never constructed
[INFO] [stdout]  --> src/colors/ansi256.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Ansi256(u8);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rgb` is never constructed
[INFO] [stdout]  --> src/colors/rgb.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Rgb([u8; 3]);
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "655ca16388a4f388b5241b7cd82c8dc658b4d3c17026c9e2b5cde07e1e2b3e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655ca16388a4f388b5241b7cd82c8dc658b4d3c17026c9e2b5cde07e1e2b3e19", kill_on_drop: false }`
[INFO] [stdout] 655ca16388a4f388b5241b7cd82c8dc658b4d3c17026c9e2b5cde07e1e2b3e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 928093c697b866f945192090e44307fc6bfeb5029421dd550068febaf2d4b86a
[INFO] running `Command { std: "docker" "start" "-a" "928093c697b866f945192090e44307fc6bfeb5029421dd550068febaf2d4b86a", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling chroma v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]  --> src/colors.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Color {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Ansi16` is never used
[INFO] [stdout]  --> src/colors/ansi16.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Ansi16 {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidName` and `U8TooLarge` are never constructed
[INFO] [stdout]   --> src/colors/ansi16.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum Ansi16Error {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 27 |     InvalidName,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 28 |     U8TooLarge,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ansi16Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_name_variants` is never used
[INFO] [stdout]   --> src/colors/ansi16.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn generate_name_variants<S: ToString>(name: S) -> [String; 2] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ansi256` is never constructed
[INFO] [stdout]  --> src/colors/ansi256.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Ansi256(u8);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rgb` is never constructed
[INFO] [stdout]  --> src/colors/rgb.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Rgb([u8; 3]);
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]  --> src/colors.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Color {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Default` is never constructed
[INFO] [stdout]  --> src/colors/ansi16.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Ansi16 {
[INFO] [stdout]   |          ------ variant in this enum
[INFO] [stdout] 6 |     Default = 0,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Ansi16` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ansi256` is never constructed
[INFO] [stdout]  --> src/colors/ansi256.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Ansi256(u8);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rgb` is never constructed
[INFO] [stdout]  --> src/colors/rgb.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Rgb([u8; 3]);
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "928093c697b866f945192090e44307fc6bfeb5029421dd550068febaf2d4b86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928093c697b866f945192090e44307fc6bfeb5029421dd550068febaf2d4b86a", kill_on_drop: false }`
[INFO] [stdout] 928093c697b866f945192090e44307fc6bfeb5029421dd550068febaf2d4b86a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f409f61bb3e5afe7e707ac2829fb64ee25b22efd453034cfa5b270ce81b4ebcb
[INFO] running `Command { std: "docker" "start" "-a" "f409f61bb3e5afe7e707ac2829fb64ee25b22efd453034cfa5b270ce81b4ebcb", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr] warning: enum `Color` is never used
[INFO] [stderr]  --> src/colors.rs:9:6
[INFO] [stderr]   |
[INFO] [stderr] 9 | enum Color {
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Ansi16` is never used
[INFO] [stderr]  --> src/colors/ansi16.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum Ansi16 {
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `InvalidName` and `U8TooLarge` are never constructed
[INFO] [stderr]   --> src/colors/ansi16.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub enum Ansi16Error {
[INFO] [stderr]    |          ----------- variants in this enum
[INFO] [stderr] 27 |     InvalidName,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 28 |     U8TooLarge,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Ansi16Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_name_variants` is never used
[INFO] [stderr]   --> src/colors/ansi16.rs:78:4
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn generate_name_variants<S: ToString>(name: S) -> [String; 2] {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ansi256` is never constructed
[INFO] [stderr]  --> src/colors/ansi256.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Ansi256(u8);
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Rgb` is never constructed
[INFO] [stderr]  --> src/colors/rgb.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Rgb([u8; 3]);
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Default` is never constructed
[INFO] [stderr]  --> src/colors/ansi16.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum Ansi16 {
[INFO] [stderr]   |          ------ variant in this enum
[INFO] [stderr] 6 |     Default = 0,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Ansi16` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `chroma` (lib) generated 6 warnings
[INFO] [stderr] warning: `chroma` (lib test) generated 4 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/chroma-07fe65ad1c251c5e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test colors::ansi16::ansi_tests::test_ansi16_from_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chroma
[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" "f409f61bb3e5afe7e707ac2829fb64ee25b22efd453034cfa5b270ce81b4ebcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f409f61bb3e5afe7e707ac2829fb64ee25b22efd453034cfa5b270ce81b4ebcb", kill_on_drop: false }`
[INFO] [stdout] f409f61bb3e5afe7e707ac2829fb64ee25b22efd453034cfa5b270ce81b4ebcb