[INFO] cloning repository https://github.com/conblem/rust-dyn-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conblem/rust-dyn-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconblem%2Frust-dyn-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconblem%2Frust-dyn-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8cd46d6d8a0adc69c7afdbac3e3ba27c9e22d9b4
[INFO] testing conblem/rust-dyn-experiments against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconblem%2Frust-dyn-experiments" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/conblem/rust-dyn-experiments
[INFO] finished tweaking git repo https://github.com/conblem/rust-dyn-experiments
[INFO] tweaked toml for git repo https://github.com/conblem/rust-dyn-experiments written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/conblem/rust-dyn-experiments 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] crate git repo https://github.com/conblem/rust-dyn-experiments 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tuple_list v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 428393de704367eb7a987670cf2506a4a078e4ef9db442fd247b2b13ca794434
[INFO] running `Command { std: "docker" "start" "-a" "428393de704367eb7a987670cf2506a4a078e4ef9db442fd247b2b13ca794434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "428393de704367eb7a987670cf2506a4a078e4ef9db442fd247b2b13ca794434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428393de704367eb7a987670cf2506a4a078e4ef9db442fd247b2b13ca794434", kill_on_drop: false }`
[INFO] [stdout] 428393de704367eb7a987670cf2506a4a078e4ef9db442fd247b2b13ca794434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7a28aeef53589d6314feae958846a7be7590ec2950a974117f34061b025edbd5
[INFO] running `Command { std: "docker" "start" "-a" "7a28aeef53589d6314feae958846a7be7590ec2950a974117f34061b025edbd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling tuple_list v0.1.3
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling dyn-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `TypeId` and `type_name`
[INFO] [stdout]  --> src/graph/systemdeps.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::any::{type_name, Any, TypeId};
[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: `std::ops::Deref`
[INFO] [stdout]  --> src/graph/systemdeps.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SuperAny` is never used
[INFO] [stdout]   --> src/main.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type SuperAny = dyn Any + Send + Sync + 'static;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxAny` is never used
[INFO] [stdout]   --> src/main.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type BoxAny = Box<SuperAny>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]   --> src/main.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct Map {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `remove_any`, `remove`, `get`, `get_any`, and `insert` are never used
[INFO] [stdout]    --> src/main.rs:89:8
[INFO] [stdout]     |
[INFO] [stdout]  88 | impl Map {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout]  89 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     fn remove_any(&mut self, key: &TypeId) -> Option<BoxAny> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     fn remove<T: 'static>(&mut self) -> Option<T> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn get<T: 'static>(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn get_any(&mut self, key: &TypeId) -> Option<&mut SuperAny> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn insert<T: Send + Sync + 'static>(&mut self, elem: T) -> Option<T> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_box_any` is never used
[INFO] [stdout]  --> src/dynhash.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) trait DynHash: DynEq {
[INFO] [stdout]   |                  ------- method in this trait
[INFO] [stdout] 5 |     fn as_box_any(self: Box<Self>) -> Box<dyn Any>;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `System` is never used
[INFO] [stdout]   --> src/graph/mod.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) trait System: 'static {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `has_deps`, `build`, and `type_id` are never used
[INFO] [stdout]   --> src/graph/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) trait DynSystemFactory: DynHash {
[INFO] [stdout]    |                  ---------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn has_deps(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 24 |     fn build(&self, deps: &mut SmallVec<[Box<dyn Any>; 12]>) -> Option<Box<dyn Any>>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 25 |     fn type_id(&self) -> TypeId;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SystemFactory` is never constructed
[INFO] [stdout]   --> src/graph/mod.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct SystemFactory<S> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `of` is never used
[INFO] [stdout]   --> src/graph/mod.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl<S: System> SystemFactory<S> {
[INFO] [stdout]    | -------------------------------- associated function in this implementation
[INFO] [stdout] 63 |     pub(crate) fn of() -> Self {
[INFO] [stdout]    |                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReactorBuilder` is never constructed
[INFO] [stdout]   --> src/graph/reactor.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct ReactorBuilder {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_system`, and `build` are never used
[INFO] [stdout]   --> src/graph/reactor.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl ReactorBuilder {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 18 |     pub(crate) fn new() -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub(crate) fn add_system<S: System>(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub(crate) fn build(self) {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SystemDeps` is never used
[INFO] [stdout]  --> src/graph/systemdeps.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) trait SystemDeps: Tuple {
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SystemDepsList` is never used
[INFO] [stdout]   --> src/graph/systemdeps.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) trait SystemDepsList: TupleList + 'static {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SuperTuple` is never used
[INFO] [stdout]  --> src/supertuple.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait SuperTuple<'a>: Tuple {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SuperTupleList` is never used
[INFO] [stdout]   --> src/supertuple.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | trait SuperTupleList<'a>: TupleList {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TypeIds` is never used
[INFO] [stdout]   --> src/supertuple.rs:83:7
[INFO] [stdout]    |
[INFO] [stdout] 83 | trait TypeIds<'a, H: 'static, T: SuperTupleList<'a>>: TupleList {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Container` is never constructed
[INFO] [stdout]  --> src/ordignorehash.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Container<T, S> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/ordignorehash.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T, S> Container<T, S> {
[INFO] [stdout]   | -------------------------- associated function in this implementation
[INFO] [stdout] 9 |     fn new(hasher_factory: S) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn take(&self) -> Option<Guard<T>> {
[INFO] [stdout]    |             ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[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] 51 |     fn take(&self) -> Option<Guard<'_, T>> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "7a28aeef53589d6314feae958846a7be7590ec2950a974117f34061b025edbd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a28aeef53589d6314feae958846a7be7590ec2950a974117f34061b025edbd5", kill_on_drop: false }`
[INFO] [stdout] 7a28aeef53589d6314feae958846a7be7590ec2950a974117f34061b025edbd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0d9ac96ce8201f56e0657132b266c218f42193a08371fec72732fe2b6d74ca9f
[INFO] running `Command { std: "docker" "start" "-a" "0d9ac96ce8201f56e0657132b266c218f42193a08371fec72732fe2b6d74ca9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling dyn-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `rt` in `fmt`
[INFO] [stdout]   --> src/graph/mod.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 |     use std::fmt::rt::v1::Count::Param;
[INFO] [stdout]    |                   ^^ could not find `rt` in `fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TypeId` and `type_name`
[INFO] [stdout]  --> src/graph/systemdeps.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::any::{type_name, Any, TypeId};
[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: `std::ops::Deref`
[INFO] [stdout]  --> src/graph/systemdeps.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dyn-experiments` (bin "dyn-experiments" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0d9ac96ce8201f56e0657132b266c218f42193a08371fec72732fe2b6d74ca9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9ac96ce8201f56e0657132b266c218f42193a08371fec72732fe2b6d74ca9f", kill_on_drop: false }`
[INFO] [stdout] 0d9ac96ce8201f56e0657132b266c218f42193a08371fec72732fe2b6d74ca9f