[INFO] crate steganer 1.1.0-post4 is already in cache
[INFO] checking steganer-1.1.0-post4 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate steganer 1.1.0-post4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate steganer 1.1.0-post4 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate steganer 1.1.0-post4
[INFO] finished tweaking crates.io crate steganer 1.1.0-post4
[INFO] tweaked toml for crates.io crate steganer 1.1.0-post4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate steganer 1.1.0-post4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] 9cac364150028af19686d5957077eda8d910eb08f020b15e4ef820ab694e6415
[INFO] running `"docker" "start" "-a" "9cac364150028af19686d5957077eda8d910eb08f020b15e4ef820ab694e6415"`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling ryu v1.0.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking test_common v1.0.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling inventory-impl v0.1.4
[INFO] [stderr]    Compiling pyo3cls v0.8.1
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking inventory v0.1.4
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling pyo3 v0.8.1
[INFO] [stderr] error[E0283]: type annotations needed: cannot resolve `std::string::String: std::ops::AddAssign<&_>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.1/build.rs:511:15
[INFO] [stderr]     |
[INFO] [stderr] 511 |         flags += format!("CFG_PyPy").as_ref();
[INFO] [stderr]     |               ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.1/build.rs:622:18
[INFO] [stderr]     |
[INFO] [stderr] 622 |             memo + format!("VAL_{}={},", key, val).as_ref()
[INFO] [stderr]     |                  ^ cannot infer type
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0282, E0283.
[INFO] [stderr] For more information about an error, try `rustc --explain E0282`.
[INFO] [stderr] error: could not compile `pyo3`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9cac364150028af19686d5957077eda8d910eb08f020b15e4ef820ab694e6415"`
[INFO] running `"docker" "rm" "-f" "9cac364150028af19686d5957077eda8d910eb08f020b15e4ef820ab694e6415"`
[INFO] [stdout] 9cac364150028af19686d5957077eda8d910eb08f020b15e4ef820ab694e6415