[INFO] fetching crate erst-derive 0.2.6...
[INFO] checking erst-derive-0.2.6 against master#201e52e5fe73ccf3dd22946b1216ad8d64f8c2ba for pr-63809
[INFO] extracting crate erst-derive 0.2.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate erst-derive 0.2.6 on toolchain 201e52e5fe73ccf3dd22946b1216ad8d64f8c2ba
[INFO] running `"/workspace/cargo-home/bin/cargo" "+201e52e5fe73ccf3dd22946b1216ad8d64f8c2ba" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate erst-derive 0.2.6
[INFO] finished tweaking crates.io crate erst-derive 0.2.6
[INFO] tweaked toml for crates.io crate erst-derive 0.2.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+201e52e5fe73ccf3dd22946b1216ad8d64f8c2ba" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+201e52e5fe73ccf3dd22946b1216ad8d64f8c2ba" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+201e52e5fe73ccf3dd22946b1216ad8d64f8c2ba" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7335805348f23d6b7e1bdb8238c90e37d5475c9f6521d5cbca8a8c91fe2510ba
[INFO] running `"docker" "start" "-a" "7335805348f23d6b7e1bdb8238c90e37d5475c9f6521d5cbca8a8c91fe2510ba"`
[INFO] [stderr]     Checking erst-shared v0.2.6
[INFO] [stderr]     Checking erst-derive v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:78
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn template_derive_inner(input: syn::DeriveInput) -> Result<TokenStream, Box<std::error::Error>> {
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:118:70
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn parse(_: &str, template: &str, type_: &str) -> Result<String, Box<std::error::Error>> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:78
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn template_derive_inner(input: syn::DeriveInput) -> Result<TokenStream, Box<std::error::Error>> {
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:118:70
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn parse(_: &str, template: &str, type_: &str) -> Result<String, Box<std::error::Error>> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "7335805348f23d6b7e1bdb8238c90e37d5475c9f6521d5cbca8a8c91fe2510ba"`
[INFO] running `"docker" "rm" "-f" "7335805348f23d6b7e1bdb8238c90e37d5475c9f6521d5cbca8a8c91fe2510ba"`
[INFO] [stdout] 7335805348f23d6b7e1bdb8238c90e37d5475c9f6521d5cbca8a8c91fe2510ba