[INFO] fetching crate serde_eetf 0.2.0...
[INFO] checking serde_eetf-0.2.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate serde_eetf 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde_eetf 0.2.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_eetf 0.2.0
[INFO] finished tweaking crates.io crate serde_eetf 0.2.0
[INFO] tweaked toml for crates.io crate serde_eetf 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded eetf v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 316885021e80d4d51836d606808d6b2c5d0602c71edd5f61aee54b1e22572b25
[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" "316885021e80d4d51836d606808d6b2c5d0602c71edd5f61aee54b1e22572b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "316885021e80d4d51836d606808d6b2c5d0602c71edd5f61aee54b1e22572b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316885021e80d4d51836d606808d6b2c5d0602c71edd5f61aee54b1e22572b25", kill_on_drop: false }`
[INFO] [stdout] 316885021e80d4d51836d606808d6b2c5d0602c71edd5f61aee54b1e22572b25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 790c3208e649be22830e613fbfb37f4d3b66df52d1e06be6ecd783623dedfe78
[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" "790c3208e649be22830e613fbfb37f4d3b66df52d1e06be6ecd783623dedfe78", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking eetf v0.4.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/eetf-0.4.0/src/codec.rs:310:15
[INFO] [stdout]     |
[INFO] [stdout] 310 |             t.try_into().map_err(|t| DecodeError::UnexpectedType {
[INFO] [stdout]     |               ^^^^^^^^ multiple `try_into` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `std::convert::TryInto` for the type `T`
[INFO] [stdout] note: candidate #2 is defined in the trait `convert::TryInto`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/eetf-0.4.0/src/convert.rs:43:5
[INFO] [stdout]     |
[INFO] [stdout] 43  | /     fn try_into(self) -> Result<T, Self>
[INFO] [stdout] 44  | |     where
[INFO] [stdout] 45  | |         Self: Sized;
[INFO] [stdout]     | |____________________^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 310 |             std::convert::TryInto::try_into(t).map_err(|t| DecodeError::UnexpectedType {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 310 |             convert::TryInto::try_into(t).map_err(|t| DecodeError::UnexpectedType {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/eetf-0.4.0/src/codec.rs:718:11
[INFO] [stdout]     |
[INFO] [stdout] 718 |         t.try_into()
[INFO] [stdout]     |           ^^^^^^^^ multiple `try_into` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `std::convert::TryInto` for the type `T`
[INFO] [stdout] note: candidate #2 is defined in the trait `convert::TryInto`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/eetf-0.4.0/src/convert.rs:43:5
[INFO] [stdout]     |
[INFO] [stdout] 43  | /     fn try_into(self) -> Result<T, Self>
[INFO] [stdout] 44  | |     where
[INFO] [stdout] 45  | |         Self: Sized;
[INFO] [stdout]     | |____________________^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 718 |         std::convert::TryInto::try_into(t)
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 718 |         convert::TryInto::try_into(t)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/eetf-0.4.0/src/codec.rs:725:11
[INFO] [stdout]     |
[INFO] [stdout] 725 |         t.try_into()
[INFO] [stdout]     |           ^^^^^^^^ multiple `try_into` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `std::convert::TryInto` for the type `T`
[INFO] [stdout] note: candidate #2 is defined in the trait `convert::TryInto`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/eetf-0.4.0/src/convert.rs:43:5
[INFO] [stdout]     |
[INFO] [stdout] 43  | /     fn try_into(self) -> Result<T, Self>
[INFO] [stdout] 44  | |     where
[INFO] [stdout] 45  | |         Self: Sized;
[INFO] [stdout]     | |____________________^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 725 |         std::convert::TryInto::try_into(t)
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 725 |         convert::TryInto::try_into(t)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/eetf-0.4.0/src/codec.rs:732:11
[INFO] [stdout]     |
[INFO] [stdout] 732 |         t.try_into()
[INFO] [stdout]     |           ^^^^^^^^ multiple `try_into` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `std::convert::TryInto` for the type `T`
[INFO] [stdout] note: candidate #2 is defined in the trait `convert::TryInto`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/eetf-0.4.0/src/convert.rs:43:5
[INFO] [stdout]     |
[INFO] [stdout] 43  | /     fn try_into(self) -> Result<T, Self>
[INFO] [stdout] 44  | |     where
[INFO] [stdout] 45  | |         Self: Sized;
[INFO] [stdout]     | |____________________^
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 732 |         std::convert::TryInto::try_into(t)
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 732 |         convert::TryInto::try_into(t)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eetf`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "790c3208e649be22830e613fbfb37f4d3b66df52d1e06be6ecd783623dedfe78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790c3208e649be22830e613fbfb37f4d3b66df52d1e06be6ecd783623dedfe78", kill_on_drop: false }`
[INFO] [stdout] 790c3208e649be22830e613fbfb37f4d3b66df52d1e06be6ecd783623dedfe78