[INFO] cloning repository https://github.com/moba1/amethyst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moba1/amethyst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoba1%2Famethyst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoba1%2Famethyst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e683af31d415777fc0cd45efa7e4fb53059e4082
[INFO] checking moba1/amethyst against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoba1%2Famethyst" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/moba1/amethyst
[INFO] finished tweaking git repo https://github.com/moba1/amethyst
[INFO] tweaked toml for git repo https://github.com/moba1/amethyst written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/moba1/amethyst on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/moba1/amethyst 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a5a0c7e1b3a5bbfaf2bc2a416c8afc6c5f1bfed04932ef2502d51eef4ae2423
[INFO] running `Command { std: "docker" "start" "-a" "4a5a0c7e1b3a5bbfaf2bc2a416c8afc6c5f1bfed04932ef2502d51eef4ae2423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a5a0c7e1b3a5bbfaf2bc2a416c8afc6c5f1bfed04932ef2502d51eef4ae2423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5a0c7e1b3a5bbfaf2bc2a416c8afc6c5f1bfed04932ef2502d51eef4ae2423", kill_on_drop: false }`
[INFO] [stdout] 4a5a0c7e1b3a5bbfaf2bc2a416c8afc6c5f1bfed04932ef2502d51eef4ae2423
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56cc3f12e8aacf1fa91d2486339ebf6c95134dd1db952f3c390a3de9dd7c0606
[INFO] running `Command { std: "docker" "start" "-a" "56cc3f12e8aacf1fa91d2486339ebf6c95134dd1db952f3c390a3de9dd7c0606", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking rustls-pemfile v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.22.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking clap v3.1.10
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking amethyst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `media_type` and `size` are never read
[INFO] [stdout]  --> src/registry/docker_hub/manifest.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 7 |     #[serde(rename = "mediaType")]
[INFO] [stdout] 8 |     pub media_type: String,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 9 |     pub size: usize,
[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]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `media_type` and `size` are never read
[INFO] [stdout]   --> src/registry/docker_hub/manifest.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Layer {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 15 |     #[serde(rename = "mediaType")]
[INFO] [stdout] 16 |     pub media_type: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 17 |     pub size: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Layer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `schema_version` and `media_type` are never read
[INFO] [stdout]   --> src/registry/docker_hub/manifest.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Manifest {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 23 |     #[serde(rename = "schemaVersion")]
[INFO] [stdout] 24 |     pub schema_version: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     #[serde(rename = "mediaType")]
[INFO] [stdout] 26 |     pub media_type: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Manifest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `JWT` is never constructed
[INFO] [stdout]  --> src/registry/docker_hub/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Token {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 5 |     JWT(String),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Build { config_directory: String },
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amethyst` (bin "amethyst") due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `media_type` and `size` are never read
[INFO] [stdout]  --> src/registry/docker_hub/manifest.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 7 |     #[serde(rename = "mediaType")]
[INFO] [stdout] 8 |     pub media_type: String,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 9 |     pub size: usize,
[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]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `media_type` and `size` are never read
[INFO] [stdout]   --> src/registry/docker_hub/manifest.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Layer {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 15 |     #[serde(rename = "mediaType")]
[INFO] [stdout] 16 |     pub media_type: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 17 |     pub size: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Layer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `schema_version` and `media_type` are never read
[INFO] [stdout]   --> src/registry/docker_hub/manifest.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Manifest {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 23 |     #[serde(rename = "schemaVersion")]
[INFO] [stdout] 24 |     pub schema_version: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     #[serde(rename = "mediaType")]
[INFO] [stdout] 26 |     pub media_type: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Manifest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `JWT` is never constructed
[INFO] [stdout]  --> src/registry/docker_hub/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Token {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 5 |     JWT(String),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Build { config_directory: String },
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amethyst` (bin "amethyst" test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "56cc3f12e8aacf1fa91d2486339ebf6c95134dd1db952f3c390a3de9dd7c0606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56cc3f12e8aacf1fa91d2486339ebf6c95134dd1db952f3c390a3de9dd7c0606", kill_on_drop: false }`
[INFO] [stdout] 56cc3f12e8aacf1fa91d2486339ebf6c95134dd1db952f3c390a3de9dd7c0606
