[INFO] cloning repository https://github.com/PolyMeilex/cargo-flatpack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PolyMeilex/cargo-flatpack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolyMeilex%2Fcargo-flatpack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolyMeilex%2Fcargo-flatpack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a19b63b526533f925ad98cf579ebef5cf3ed9436
[INFO] checking PolyMeilex/cargo-flatpack against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolyMeilex%2Fcargo-flatpack" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PolyMeilex/cargo-flatpack on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PolyMeilex/cargo-flatpack
[INFO] finished tweaking git repo https://github.com/PolyMeilex/cargo-flatpack
[INFO] tweaked toml for git repo https://github.com/PolyMeilex/cargo-flatpack written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PolyMeilex/cargo-flatpack 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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 windows-targets v0.48.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.46
[INFO] [stderr]   Downloaded thiserror v1.0.46
[INFO] [stderr]   Downloaded anyhow v1.0.74
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.48.2
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.2
[INFO] [stderr]   Downloaded tokio v1.31.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.2
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.2
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.2
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.2
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19a6c8ca3839ce1df5567cd239e66aa67e70420fd834d9adfa670d3a4d8b71c8
[INFO] running `Command { std: "docker" "start" "-a" "19a6c8ca3839ce1df5567cd239e66aa67e70420fd834d9adfa670d3a4d8b71c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19a6c8ca3839ce1df5567cd239e66aa67e70420fd834d9adfa670d3a4d8b71c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a6c8ca3839ce1df5567cd239e66aa67e70420fd834d9adfa670d3a4d8b71c8", kill_on_drop: false }`
[INFO] [stdout] 19a6c8ca3839ce1df5567cd239e66aa67e70420fd834d9adfa670d3a4d8b71c8
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e3c6c8001a1e013556077e1f2909faf74b66d55c38a77c6e24820a0421b340f
[INFO] running `Command { std: "docker" "start" "-a" "5e3c6c8001a1e013556077e1f2909faf74b66d55c38a77c6e24820a0421b340f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling openssl v0.10.56
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling anyhow v1.0.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking tokio v1.31.0
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking shellexpand v3.1.0
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling openssl-sys v0.9.91
[INFO] [stderr]     Checking tempfile v3.7.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking cargo-flatpack v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `git`
[INFO] [stdout]    --> src/main.rs:418:9
[INFO] [stdout]     |
[INFO] [stdout] 418 |     let git = manifest::Source::Git(manifest::Git {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_git`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `git`
[INFO] [stdout]    --> src/main.rs:418:9
[INFO] [stdout]     |
[INFO] [stdout] 418 |     let git = manifest::Source::Git(manifest::Git {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_git`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_git_tarball` is never used
[INFO] [stdout]   --> src/main.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn get_git_tarball(repo_url: &str, commit: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_remote_sha256` is never used
[INFO] [stdout]   --> src/main.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 | async fn get_remote_sha256(url: &str) -> String {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]  --> src/lock_file.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct LockFile {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 3 |     pub version: u32,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LockFile` 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 `dependencies` is never read
[INFO] [stdout]   --> src/lock_file.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Package {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub dependencies: Option<Vec<String>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Package` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_git_tarball` is never used
[INFO] [stdout]   --> src/main.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn get_git_tarball(repo_url: &str, commit: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_remote_sha256` is never used
[INFO] [stdout]   --> src/main.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 | async fn get_remote_sha256(url: &str) -> String {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]  --> src/lock_file.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct LockFile {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 3 |     pub version: u32,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LockFile` 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 `dependencies` is never read
[INFO] [stdout]   --> src/lock_file.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Package {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub dependencies: Option<Vec<String>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Package` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.24s
[INFO] running `Command { std: "docker" "inspect" "5e3c6c8001a1e013556077e1f2909faf74b66d55c38a77c6e24820a0421b340f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3c6c8001a1e013556077e1f2909faf74b66d55c38a77c6e24820a0421b340f", kill_on_drop: false }`
[INFO] [stdout] 5e3c6c8001a1e013556077e1f2909faf74b66d55c38a77c6e24820a0421b340f