[INFO] fetching crate virdant 0.1.0-rc0...
[INFO] building virdant-0.1.0-rc0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate virdant 0.1.0-rc0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate virdant 0.1.0-rc0
[INFO] finished tweaking crates.io crate virdant 0.1.0-rc0
[INFO] tweaked toml for crates.io crate virdant 0.1.0-rc0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate virdant 0.1.0-rc0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate virdant 0.1.0-rc0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.20.2
[INFO] [stderr]   Downloaded ena v0.14.2
[INFO] [stderr]   Downloaded winapi-util v0.1.7
[INFO] [stderr]   Downloaded ascii-canvas v3.0.0
[INFO] [stderr]   Downloaded petgraph v0.6.4
[INFO] [stderr]   Downloaded lalrpop v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0f8b5e74f08baa1f3b839c8fc336b8473b8e1de04f5e181725c41dccf86cd7b
[INFO] running `Command { std: "docker" "start" "-a" "d0f8b5e74f08baa1f3b839c8fc336b8473b8e1de04f5e181725c41dccf86cd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0f8b5e74f08baa1f3b839c8fc336b8473b8e1de04f5e181725c41dccf86cd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f8b5e74f08baa1f3b839c8fc336b8473b8e1de04f5e181725c41dccf86cd7b", kill_on_drop: false }`
[INFO] [stdout] d0f8b5e74f08baa1f3b839c8fc336b8473b8e1de04f5e181725c41dccf86cd7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06e6e5d4399b5e27493fcd832a89bd0f0a3f2b093d7f04330db039e387e9902e
[INFO] running `Command { std: "docker" "start" "-a" "06e6e5d4399b5e27493fcd832a89bd0f0a3f2b093d7f04330db039e387e9902e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling lalrpop-util v0.20.2
[INFO] [stderr]    Compiling lalrpop v0.20.2
[INFO] [stderr]    Compiling virdant v0.1.0-rc0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `check::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use check::*;
[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 variable: `name`
[INFO] [stdout]    --> src/ast.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn get(&self, name: &str) -> Option<&NamedItem> {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `component_name`
[INFO] [stdout]    --> src/ast.rs:193:31
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn connect_for(&self, component_name: &str) -> Connect {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_component_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/ast.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Submodule(Ident, Ident);
[INFO] [stdout]    |            --------- ^^^^^  ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Submodule` 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ast.rs:173:16
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn get(&self, name: &str) -> Option<&NamedItem> {
[INFO] [stdout]     |                ^^^^^                        ^^^^^^^^^^
[INFO] [stdout]     |                |                            ||
[INFO] [stdout]     |                |                            |the same lifetime is hidden here
[INFO] [stdout]     |                |                            the same lifetime is elided here
[INFO] [stdout]     |                the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn get(&self, name: &str) -> Option<&NamedItem<'_>> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.25s
[INFO] running `Command { std: "docker" "inspect" "06e6e5d4399b5e27493fcd832a89bd0f0a3f2b093d7f04330db039e387e9902e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e6e5d4399b5e27493fcd832a89bd0f0a3f2b093d7f04330db039e387e9902e", kill_on_drop: false }`
[INFO] [stdout] 06e6e5d4399b5e27493fcd832a89bd0f0a3f2b093d7f04330db039e387e9902e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecd32c3df8eadcbc797bc3cc58ccef346d40932e5944d886c30cc5394c59a371
[INFO] running `Command { std: "docker" "start" "-a" "ecd32c3df8eadcbc797bc3cc58ccef346d40932e5944d886c30cc5394c59a371", kill_on_drop: false }`
[INFO] [stderr]    Compiling virdant v0.1.0-rc0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `check::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use check::*;
[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 variable: `name`
[INFO] [stdout]    --> src/ast.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn get(&self, name: &str) -> Option<&NamedItem> {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `component_name`
[INFO] [stdout]    --> src/ast.rs:193:31
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn connect_for(&self, component_name: &str) -> Connect {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_component_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/ast.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Submodule(Ident, Ident);
[INFO] [stdout]    |            --------- ^^^^^  ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Submodule` 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ast.rs:173:16
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn get(&self, name: &str) -> Option<&NamedItem> {
[INFO] [stdout]     |                ^^^^^                        ^^^^^^^^^^
[INFO] [stdout]     |                |                            ||
[INFO] [stdout]     |                |                            |the same lifetime is hidden here
[INFO] [stdout]     |                |                            the same lifetime is elided here
[INFO] [stdout]     |                the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn get(&self, name: &str) -> Option<&NamedItem<'_>> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "ecd32c3df8eadcbc797bc3cc58ccef346d40932e5944d886c30cc5394c59a371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd32c3df8eadcbc797bc3cc58ccef346d40932e5944d886c30cc5394c59a371", kill_on_drop: false }`
[INFO] [stdout] ecd32c3df8eadcbc797bc3cc58ccef346d40932e5944d886c30cc5394c59a371
