[INFO] fetching crate mammoth-macro 0.0.1...
[INFO] checking mammoth-macro-0.0.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate mammoth-macro 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mammoth-macro 0.0.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mammoth-macro 0.0.1
[INFO] finished tweaking crates.io crate mammoth-macro 0.0.1
[INFO] tweaked toml for crates.io crate mammoth-macro 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86aaa02d142e13a89ca7261d9e0319e3e16a58c38614f6008a6ccefcd9f8eda8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "86aaa02d142e13a89ca7261d9e0319e3e16a58c38614f6008a6ccefcd9f8eda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86aaa02d142e13a89ca7261d9e0319e3e16a58c38614f6008a6ccefcd9f8eda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86aaa02d142e13a89ca7261d9e0319e3e16a58c38614f6008a6ccefcd9f8eda8", kill_on_drop: false }`
[INFO] [stdout] 86aaa02d142e13a89ca7261d9e0319e3e16a58c38614f6008a6ccefcd9f8eda8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4048f22dcc8d2db4108e68bcc4b6bd0f68e46c6894efe351ed1efbb935d765ff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4048f22dcc8d2db4108e68bcc4b6bd0f68e46c6894efe351ed1efbb935d765ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking backtrace v0.3.58
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking mammoth-macro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking mammoth-setup v0.0.1
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mammoth-setup-0.0.1/src/validation.rs:7:12
[INFO] [stdout]     |
[INFO] [stdout] 7   | use serde::export::PhantomData;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.125/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mammoth-setup-0.0.1/src/config.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             IdValidator(Severity::Critical, mods_dir.to_path_buf(), PhantomData)
[INFO] [stdout]     |             ^^^^^^^^^^^ cannot infer type for type parameter `I` declared on the struct `IdValidator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mammoth-setup-0.0.1/src/config/host.rs:208:25
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let validator = IdValidator(Severity::Critical, self.clone(), PhantomData);
[INFO] [stdout]     |                         ^^^^^^^^^^^ cannot infer type for type parameter `I` declared on the struct `IdValidator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mammoth-setup`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4048f22dcc8d2db4108e68bcc4b6bd0f68e46c6894efe351ed1efbb935d765ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4048f22dcc8d2db4108e68bcc4b6bd0f68e46c6894efe351ed1efbb935d765ff", kill_on_drop: false }`
[INFO] [stdout] 4048f22dcc8d2db4108e68bcc4b6bd0f68e46c6894efe351ed1efbb935d765ff