[INFO] cloning repository https://github.com/pratikgajjar/docker-engine-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pratikgajjar/docker-engine-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpratikgajjar%2Fdocker-engine-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpratikgajjar%2Fdocker-engine-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7579bc4031454549969f1895f93457dd2966cbda
[INFO] checking pratikgajjar/docker-engine-rs/7579bc4031454549969f1895f93457dd2966cbda against master#e22dab387f6b4f6a87dfc54ac2f6013dddb41e68 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpratikgajjar%2Fdocker-engine-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pratikgajjar/docker-engine-rs
[INFO] finished tweaking git repo https://github.com/pratikgajjar/docker-engine-rs
[INFO] tweaked toml for git repo https://github.com/pratikgajjar/docker-engine-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pratikgajjar/docker-engine-rs on toolchain e22dab387f6b4f6a87dfc54ac2f6013dddb41e68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pratikgajjar/docker-engine-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" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.1.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e01dfa765874aa7f4788a95e3e41e9f2f23b161521f3fe7e8e1d0af1846488c
[INFO] running `Command { std: "docker" "start" "-a" "9e01dfa765874aa7f4788a95e3e41e9f2f23b161521f3fe7e8e1d0af1846488c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e01dfa765874aa7f4788a95e3e41e9f2f23b161521f3fe7e8e1d0af1846488c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e01dfa765874aa7f4788a95e3e41e9f2f23b161521f3fe7e8e1d0af1846488c", kill_on_drop: false }`
[INFO] [stdout] 9e01dfa765874aa7f4788a95e3e41e9f2f23b161521f3fe7e8e1d0af1846488c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5db31a2f3f4be5b1fdf0c9c53c8fd28d6574abcbd5ecb3d7c2423f9c894fb300
[INFO] running `Command { std: "docker" "start" "-a" "5db31a2f3f4be5b1fdf0c9c53c8fd28d6574abcbd5ecb3d7c2423f9c894fb300", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]    Compiling cc v1.1.25
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking hashbrown v0.15.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking unicode-bidi v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking clap_builder v4.5.19
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking clap v4.5.19
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking hyper v0.14.30
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking docker-engine-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImageManifest` is never constructed
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct ImageManifest {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mediaType` and `size` are never read
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Layer {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 82 |     mediaType: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 83 |     size: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Layer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `schemaVersion` is never read
[INFO] [stdout]   --> src/main.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct Manifest {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 89 |     schemaVersion: i32,
[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: fields `mediaType` and `size` are never read
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | struct ManifestEntry {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] 100 |     digest: String,
[INFO] [stdout] 101 |     mediaType: String,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 102 |     size: i32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ManifestEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `os` is never read
[INFO] [stdout]    --> src/main.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | struct Platform {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 108 |     architecture: String,
[INFO] [stdout] 109 |     os: String,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Platform` 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 `run_container` is never used
[INFO] [stdout]    --> src/main.rs:238:4
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn run_container(rootfs: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 download_layer(&layer.digest, &token, image_name).await;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let _ = download_layer(&layer.digest, &token, image_name).await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 extract_layer(&layer_file, &extract_path);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 let _ = extract_layer(&layer_file, &extract_path);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `mediaType` should have a snake case name
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     mediaType: String,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `media_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `schemaVersion` should have a snake case name
[INFO] [stdout]   --> src/main.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     schemaVersion: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to snake case: `schema_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `mediaType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     mediaType: String,
[INFO] [stdout]     |     ^^^^^^^^^ help: convert the identifier to snake case: `media_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImageManifest` is never constructed
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct ImageManifest {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mediaType` and `size` are never read
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Layer {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 82 |     mediaType: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 83 |     size: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Layer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `schemaVersion` is never read
[INFO] [stdout]   --> src/main.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct Manifest {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 89 |     schemaVersion: i32,
[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: fields `mediaType` and `size` are never read
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | struct ManifestEntry {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] 100 |     digest: String,
[INFO] [stdout] 101 |     mediaType: String,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 102 |     size: i32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ManifestEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `os` is never read
[INFO] [stdout]    --> src/main.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | struct Platform {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 108 |     architecture: String,
[INFO] [stdout] 109 |     os: String,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Platform` 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 `run_container` is never used
[INFO] [stdout]    --> src/main.rs:238:4
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn run_container(rootfs: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 download_layer(&layer.digest, &token, image_name).await;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let _ = download_layer(&layer.digest, &token, image_name).await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 extract_layer(&layer_file, &extract_path);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 let _ = extract_layer(&layer_file, &extract_path);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `mediaType` should have a snake case name
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     mediaType: String,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `media_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `schemaVersion` should have a snake case name
[INFO] [stdout]   --> src/main.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     schemaVersion: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to snake case: `schema_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `mediaType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     mediaType: String,
[INFO] [stdout]     |     ^^^^^^^^^ help: convert the identifier to snake case: `media_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.37s
[INFO] running `Command { std: "docker" "inspect" "5db31a2f3f4be5b1fdf0c9c53c8fd28d6574abcbd5ecb3d7c2423f9c894fb300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db31a2f3f4be5b1fdf0c9c53c8fd28d6574abcbd5ecb3d7c2423f9c894fb300", kill_on_drop: false }`
[INFO] [stdout] 5db31a2f3f4be5b1fdf0c9c53c8fd28d6574abcbd5ecb3d7c2423f9c894fb300
