[INFO] fetching crate zerofrom-derive 0.1.6...
[INFO] testing zerofrom-derive-0.1.6 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate zerofrom-derive 0.1.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate zerofrom-derive 0.1.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zerofrom-derive 0.1.6
[INFO] tweaked toml for crates.io crate zerofrom-derive 0.1.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zerofrom-derive 0.1.6 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zerofrom-derive 0.1.6 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.98
[INFO] [stderr]   Downloaded unicode-ident v1.0.17
[INFO] [stderr]   Downloaded proc-macro2 v1.0.93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 342d4643cd3569a62e8d1fe52e49a771c3151f77f558a878c8fa7197dbcc93f1
[INFO] running `Command { std: "docker" "start" "-a" "342d4643cd3569a62e8d1fe52e49a771c3151f77f558a878c8fa7197dbcc93f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "342d4643cd3569a62e8d1fe52e49a771c3151f77f558a878c8fa7197dbcc93f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342d4643cd3569a62e8d1fe52e49a771c3151f77f558a878c8fa7197dbcc93f1", kill_on_drop: false }`
[INFO] [stdout] 342d4643cd3569a62e8d1fe52e49a771c3151f77f558a878c8fa7197dbcc93f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f6be807c397b12f7fe5e1bbbb97ddc84ed1a93fb3a602a677d1cfd6d5a15c4e
[INFO] running `Command { std: "docker" "start" "-a" "2f6be807c397b12f7fe5e1bbbb97ddc84ed1a93fb3a602a677d1cfd6d5a15c4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `Command { std: "docker" "inspect" "2f6be807c397b12f7fe5e1bbbb97ddc84ed1a93fb3a602a677d1cfd6d5a15c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6be807c397b12f7fe5e1bbbb97ddc84ed1a93fb3a602a677d1cfd6d5a15c4e", kill_on_drop: false }`
[INFO] [stdout] 2f6be807c397b12f7fe5e1bbbb97ddc84ed1a93fb3a602a677d1cfd6d5a15c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b5776fc23061aaf7711923e9ee766217dfc39f8bb9da80973b55c410de4c9bf
[INFO] running `Command { std: "docker" "start" "-a" "4b5776fc23061aaf7711923e9ee766217dfc39f8bb9da80973b55c410de4c9bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `zerovec`
[INFO] [stdout]  --> examples/zf_derive.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use zerovec::{maps::ZeroMapKV, ule::AsULE, VarZeroVec, ZeroMap, ZeroVec};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `zerovec`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `zerovec`, use `cargo add zerovec` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `zerofrom`
[INFO] [stdout]  --> examples/zf_derive.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use zerofrom::ZeroFrom;
[INFO] [stdout]   |     ^^^^^^^^ use of unresolved module or unlinked crate `zerofrom`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `zerofrom`, use `cargo add zerofrom` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `zerovec`
[INFO] [stdout]  --> examples/zf_derive.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use zerovec::{maps::ZeroMapKV, ule::AsULE, VarZeroVec, ZeroMap, ZeroVec};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `zerovec`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `zerovec`, use `cargo add zerovec` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `zerofrom` in this scope
[INFO] [stdout]   --> examples/zf_derive.rs:90:3
[INFO] [stdout]    |
[INFO] [stdout] 90 | #[zerofrom(may_borrow(T, Q))] // instead of treating T as a copy type, we want to allow zerofromming T too
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: `zerofrom` is an attribute that can be used by the derive macro `ZeroFrom`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 91 + #[derive(ZeroFrom)]
[INFO] [stdout] 92 | pub struct GenericsThatAreAlsoZf<T, Q: ?Sized, Ignored: ?Sized> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `zerofrom` in this scope
[INFO] [stdout]   --> examples/zf_derive.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 |     Cow(#[zerofrom(clone)] Cow<'data, str>),
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: `zerofrom` is an attribute that can be used by the derive macro `ZeroFrom`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 85 + #[derive(ZeroFrom)]
[INFO] [stdout] 86 | pub enum CloningZF3<'data> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `zerofrom` in this scope
[INFO] [stdout]   --> examples/zf_derive.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 |     #[zerofrom(clone)] // Cow is ZeroFrom, but we force a clone
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `zerofrom` is an attribute that can be used by the derive macro `ZeroFrom`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `zerofrom` in this scope
[INFO] [stdout]   --> examples/zf_derive.rs:74:7
[INFO] [stdout]    |
[INFO] [stdout] 74 |     #[zerofrom(clone)] // Vec is not ZeroFrom, so it needs to be cloned
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `zerofrom` is an attribute that can be used by the derive macro `ZeroFrom`, you might be missing a `derive` attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zerofrom-derive` (example "zf_derive") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "4b5776fc23061aaf7711923e9ee766217dfc39f8bb9da80973b55c410de4c9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5776fc23061aaf7711923e9ee766217dfc39f8bb9da80973b55c410de4c9bf", kill_on_drop: false }`
[INFO] [stdout] 4b5776fc23061aaf7711923e9ee766217dfc39f8bb9da80973b55c410de4c9bf