[INFO] fetching crate cramjam 2.0.2...
[INFO] checking cramjam-2.0.2 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate cramjam 2.0.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cramjam 2.0.2 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] removed /workspace/builds/worker-14/source/.cargo/config
[INFO] started tweaking crates.io crate cramjam 2.0.2
[INFO] finished tweaking crates.io crate cramjam 2.0.2
[INFO] tweaked toml for crates.io crate cramjam 2.0.2 written to /workspace/builds/worker-14/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.6.0+zstd.1.4.8` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] e8a10fad1edb9f63b3b0735a7790e737b772388c9a9baa6c13220e4a8cc05413
[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" "e8a10fad1edb9f63b3b0735a7790e737b772388c9a9baa6c13220e4a8cc05413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8a10fad1edb9f63b3b0735a7790e737b772388c9a9baa6c13220e4a8cc05413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a10fad1edb9f63b3b0735a7790e737b772388c9a9baa6c13220e4a8cc05413", kill_on_drop: false }`
[INFO] [stdout] e8a10fad1edb9f63b3b0735a7790e737b772388c9a9baa6c13220e4a8cc05413
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 03326d9e49eb142807e9d11eb05a516fc3142fecef8934c98a0f5dc80f4a2ad2
[INFO] running `Command { std: "docker" "start" "-a" "03326d9e49eb142807e9d11eb05a516fc3142fecef8934c98a0f5dc80f4a2ad2", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.6.0+zstd.1.4.8` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pyo3 v0.13.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking ndarray v0.14.0
[INFO] [stderr]    Compiling zstd-sys v1.4.20+zstd.1.4.9
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.21
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking mimalloc v0.1.25
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.2
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling pyo3-macros v0.13.2
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking fehler v1.0.0
[INFO] [stderr]     Checking lz-fear v0.1.1
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.13.2/src/types/string.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let s = PyString::try_from(obj)?.to_str()?;
[INFO] [stdout]     |                           ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `PyTryFrom` for the type `T`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.13.2/src/conversion.rs:327:5
[INFO] [stdout]     |
[INFO] [stdout] 327 |     fn try_from<V: Into<&'v PyAny>>(value: V) -> Result<&'v Self, PyDowncastError<'v>> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `TryFrom` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let s = PyTryFrom::try_from(obj)?.to_str()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let s = TryFrom::try_from(obj)?.to_str()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "03326d9e49eb142807e9d11eb05a516fc3142fecef8934c98a0f5dc80f4a2ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03326d9e49eb142807e9d11eb05a516fc3142fecef8934c98a0f5dc80f4a2ad2", kill_on_drop: false }`
[INFO] [stdout] 03326d9e49eb142807e9d11eb05a516fc3142fecef8934c98a0f5dc80f4a2ad2