[INFO] fetching crate rtps-idl 0.2.0...
[INFO] building rtps-idl-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rtps-idl 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rtps-idl 0.2.0
[INFO] finished tweaking crates.io crate rtps-idl 0.2.0
[INFO] tweaked toml for crates.io crate rtps-idl 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rtps-idl 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding pest v1.0.6 (available: v2.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb27a51612f1819fdae9e1361fa89ab23c7c10f0864a42a057e95e3d0138be64
[INFO] running `Command { std: "docker" "start" "-a" "bb27a51612f1819fdae9e1361fa89ab23c7c10f0864a42a057e95e3d0138be64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb27a51612f1819fdae9e1361fa89ab23c7c10f0864a42a057e95e3d0138be64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb27a51612f1819fdae9e1361fa89ab23c7c10f0864a42a057e95e3d0138be64", kill_on_drop: false }`
[INFO] [stdout] bb27a51612f1819fdae9e1361fa89ab23c7c10f0864a42a057e95e3d0138be64
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11369218a16bfc7885a4e13195e6d2d0134c6c8f80feee9260b565058f7e7ecc
[INFO] running `Command { std: "docker" "start" "-a" "11369218a16bfc7885a4e13195e6d2d0134c6c8f80feee9260b565058f7e7ecc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling rtps-idl-grammar v0.2.3
[INFO] [stderr]    Compiling rtps-idl v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:473:77
[INFO] [stdout]     |
[INFO] [stdout] 473 |     pub fn process<L: IdlLoader>(&mut self, scope: &mut Scope, loader: &mut IdlLoader,
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 473 |     pub fn process<L: IdlLoader>(&mut self, scope: &mut Scope, loader: &mut dyn IdlLoader,
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `definitions` is never read
[INFO] [stdout]   --> src/lib.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Context<'i> {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 71 |     config: &'i Configuration,
[INFO] [stdout] 72 |     definitions: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Context` has derived impls for the traits `Clone` and `Debug`, but these are 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: field `1` is never read
[INFO] [stdout]    --> src/ast.rs:226:36
[INFO] [stdout]     |
[INFO] [stdout] 226 |     SequenceType(Box<IdlTypeSpec>, Option<Box<IdlValueExpr>>),
[INFO] [stdout]     |     ------------                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IdlTypeSpec` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 226 -     SequenceType(Box<IdlTypeSpec>, Option<Box<IdlValueExpr>>),
[INFO] [stdout] 226 +     SequenceType(Box<IdlTypeSpec>, ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]    --> src/ast.rs:437:9
[INFO] [stdout]     |
[INFO] [stdout] 435 | pub struct IdlModule {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 436 |     pub id: Option<String>,
[INFO] [stdout] 437 |     pub level: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IdlModule` 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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:78:46
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn new(config: &'i Configuration) -> Context {
[INFO] [stdout]    |                         --                   ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn new(config: &'i Configuration) -> Context<'i> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.47s
[INFO] running `Command { std: "docker" "inspect" "11369218a16bfc7885a4e13195e6d2d0134c6c8f80feee9260b565058f7e7ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11369218a16bfc7885a4e13195e6d2d0134c6c8f80feee9260b565058f7e7ecc", kill_on_drop: false }`
[INFO] [stdout] 11369218a16bfc7885a4e13195e6d2d0134c6c8f80feee9260b565058f7e7ecc
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6afe098fcccdf93587388c4185fea2545c855d9f1b349464b58a633385645ab0
[INFO] running `Command { std: "docker" "start" "-a" "6afe098fcccdf93587388c4185fea2545c855d9f1b349464b58a633385645ab0", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:473:77
[INFO] [stdout]     |
[INFO] [stdout] 473 |     pub fn process<L: IdlLoader>(&mut self, scope: &mut Scope, loader: &mut IdlLoader,
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 473 |     pub fn process<L: IdlLoader>(&mut self, scope: &mut Scope, loader: &mut dyn IdlLoader,
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `definitions` is never read
[INFO] [stdout]   --> src/lib.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Context<'i> {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 71 |     config: &'i Configuration,
[INFO] [stdout] 72 |     definitions: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Context` has derived impls for the traits `Clone` and `Debug`, but these are 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: field `1` is never read
[INFO] [stdout]    --> src/ast.rs:226:36
[INFO] [stdout]     |
[INFO] [stdout] 226 |     SequenceType(Box<IdlTypeSpec>, Option<Box<IdlValueExpr>>),
[INFO] [stdout]     |     ------------                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IdlTypeSpec` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 226 -     SequenceType(Box<IdlTypeSpec>, Option<Box<IdlValueExpr>>),
[INFO] [stdout] 226 +     SequenceType(Box<IdlTypeSpec>, ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]    --> src/ast.rs:437:9
[INFO] [stdout]     |
[INFO] [stdout] 435 | pub struct IdlModule {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 436 |     pub id: Option<String>,
[INFO] [stdout] 437 |     pub level: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IdlModule` 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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:78:46
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn new(config: &'i Configuration) -> Context {
[INFO] [stdout]    |                         --                   ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn new(config: &'i Configuration) -> Context<'i> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rtps-idl v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:473:77
[INFO] [stdout]     |
[INFO] [stdout] 473 |     pub fn process<L: IdlLoader>(&mut self, scope: &mut Scope, loader: &mut IdlLoader,
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 473 |     pub fn process<L: IdlLoader>(&mut self, scope: &mut Scope, loader: &mut dyn IdlLoader,
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:78:46
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn new(config: &'i Configuration) -> Context {
[INFO] [stdout]    |                         --                   ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn new(config: &'i Configuration) -> Context<'i> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/ast.rs:226:36
[INFO] [stdout]     |
[INFO] [stdout] 226 |     SequenceType(Box<IdlTypeSpec>, Option<Box<IdlValueExpr>>),
[INFO] [stdout]     |     ------------                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IdlTypeSpec` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 226 -     SequenceType(Box<IdlTypeSpec>, Option<Box<IdlValueExpr>>),
[INFO] [stdout] 226 +     SequenceType(Box<IdlTypeSpec>, ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]    --> src/ast.rs:437:9
[INFO] [stdout]     |
[INFO] [stdout] 435 | pub struct IdlModule {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 436 |     pub id: Option<String>,
[INFO] [stdout] 437 |     pub level: usize,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IdlModule` 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: field `definitions` is never read
[INFO] [stdout]   --> src/lib.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Context<'i> {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 71 |     config: &'i Configuration,
[INFO] [stdout] 72 |     definitions: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Context` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "6afe098fcccdf93587388c4185fea2545c855d9f1b349464b58a633385645ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6afe098fcccdf93587388c4185fea2545c855d9f1b349464b58a633385645ab0", kill_on_drop: false }`
[INFO] [stdout] 6afe098fcccdf93587388c4185fea2545c855d9f1b349464b58a633385645ab0
