[INFO] cloning repository https://github.com/modbrin/versioned-structs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/modbrin/versioned-structs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodbrin%2Fversioned-structs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodbrin%2Fversioned-structs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a32c1ba3b243b6de020ee6093feeadf9333f935d
[INFO] checking modbrin/versioned-structs against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodbrin%2Fversioned-structs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/modbrin/versioned-structs
[INFO] finished tweaking git repo https://github.com/modbrin/versioned-structs
[INFO] tweaked toml for git repo https://github.com/modbrin/versioned-structs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/modbrin/versioned-structs on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/modbrin/versioned-structs 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bae v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c82c9065883889d0e00b55756fb49f5748ed0e4c18ac7f655155519ae1bc86d0
[INFO] running `Command { std: "docker" "start" "-a" "c82c9065883889d0e00b55756fb49f5748ed0e4c18ac7f655155519ae1bc86d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c82c9065883889d0e00b55756fb49f5748ed0e4c18ac7f655155519ae1bc86d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82c9065883889d0e00b55756fb49f5748ed0e4c18ac7f655155519ae1bc86d0", kill_on_drop: false }`
[INFO] [stdout] c82c9065883889d0e00b55756fb49f5748ed0e4c18ac7f655155519ae1bc86d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 328dd80bd2b8dc4175c0885ac5192fce4a4f964169337a50893bc955b64b672e
[INFO] running `Command { std: "docker" "start" "-a" "328dd80bd2b8dc4175c0885ac5192fce4a4f964169337a50893bc955b64b672e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking unicode-ident v1.0.5
[INFO] [stderr]     Checking proc-macro2 v1.0.47
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.21
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bae v0.1.7
[INFO] [stderr]    Compiling versioned-structs v0.1.0 (/opt/rustwide/workdir/versioned-structs)
[INFO] [stderr]     Checking versioned-structs-tests v0.1.0 (/opt/rustwide/workdir/versioned-structs-tests)
[INFO] [stdout] warning: fields `field_a` and `field_b` are never read
[INFO] [stdout]   --> versioned-structs-tests/src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct HelloThere {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 25 |     field_a: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     #[versioned_field(from = 1, to = 3)]
[INFO] [stdout] 27 |     field_b: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HelloThereV1` 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 `field_a`, `field_b`, and `field_c` are never read
[INFO] [stdout]   --> versioned-structs-tests/src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct HelloThere {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 25 |     field_a: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     #[versioned_field(from = 1, to = 3)]
[INFO] [stdout] 27 |     field_b: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     #[versioned_field(from = 2, to = 2)]
[INFO] [stdout] 29 |     field_c: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HelloThereV2` 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 `field_a`, `field_b`, and `field_c` are never read
[INFO] [stdout]   --> versioned-structs-tests/src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct HelloThere {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 25 |     field_a: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     #[versioned_field(from = 1, to = 3)]
[INFO] [stdout] 27 |     field_b: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     field_c: i32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HelloThere` 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 `v1`, `v2`, and `v3` are never read
[INFO] [stdout]   --> versioned-structs-tests/src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct VersionsDemo {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 35 |     v1: HelloThereV1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 36 |     v2: HelloThereV2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 37 |     v3: HelloThere,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `field_a` and `field_b` are never read
[INFO] [stdout]   --> versioned-structs-tests/src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct HelloThere {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 25 |     field_a: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     #[versioned_field(from = 1, to = 3)]
[INFO] [stdout] 27 |     field_b: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HelloThereV1` 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 `field_a`, `field_b`, and `field_c` are never read
[INFO] [stdout]   --> versioned-structs-tests/src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct HelloThere {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 25 |     field_a: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     #[versioned_field(from = 1, to = 3)]
[INFO] [stdout] 27 |     field_b: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     #[versioned_field(from = 2, to = 2)]
[INFO] [stdout] 29 |     field_c: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HelloThereV2` 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 `field_a`, `field_b`, and `field_c` are never read
[INFO] [stdout]   --> versioned-structs-tests/src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct HelloThere {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 25 |     field_a: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     #[versioned_field(from = 1, to = 3)]
[INFO] [stdout] 27 |     field_b: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     field_c: i32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HelloThere` 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 `v1`, `v2`, and `v3` are never read
[INFO] [stdout]   --> versioned-structs-tests/src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct VersionsDemo {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 35 |     v1: HelloThereV1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 36 |     v2: HelloThereV2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 37 |     v3: HelloThere,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `Command { std: "docker" "inspect" "328dd80bd2b8dc4175c0885ac5192fce4a4f964169337a50893bc955b64b672e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328dd80bd2b8dc4175c0885ac5192fce4a4f964169337a50893bc955b64b672e", kill_on_drop: false }`
[INFO] [stdout] 328dd80bd2b8dc4175c0885ac5192fce4a4f964169337a50893bc955b64b672e
