[INFO] fetching crate layer-proc-gen 3.0.0...
[INFO] checking layer-proc-gen-3.0.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate layer-proc-gen 3.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate layer-proc-gen 3.0.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate layer-proc-gen 3.0.0
[INFO] tweaked toml for crates.io crate layer-proc-gen 3.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate layer-proc-gen 3.0.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate layer-proc-gen 3.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1041d23a1d4e03c56634afb06d842999291da91b183cdc8974b94b309df483f4
[INFO] running `Command { std: "docker" "start" "-a" "1041d23a1d4e03c56634afb06d842999291da91b183cdc8974b94b309df483f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1041d23a1d4e03c56634afb06d842999291da91b183cdc8974b94b309df483f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1041d23a1d4e03c56634afb06d842999291da91b183cdc8974b94b309df483f4", kill_on_drop: false }`
[INFO] [stdout] 1041d23a1d4e03c56634afb06d842999291da91b183cdc8974b94b309df483f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e54c221ca22d18e7695399f8c8d6610a3f842ea22e9bdf069b8704d1071aad
[INFO] running `Command { std: "docker" "start" "-a" "f7e54c221ca22d18e7695399f8c8d6610a3f842ea22e9bdf069b8704d1071aad", kill_on_drop: false }`
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[INFO] [stdout] error[E0433]: failed to resolve: could not find `distributions` in `rand`
[INFO] [stdout]  --> examples/infinite_roads.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ::rand::distributions::uniform::SampleRange as _;
[INFO] [stdout]   |             ^^^^^^^^^^^^^ could not find `distributions` in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sample_single` found for struct `std::ops::Range` in the current scope
[INFO] [stdout]    --> examples/infinite_roads.rs:30:39
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let size = Self::RADIUS_RANGE.sample_single(&mut rng);
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^ method not found in `std::ops::Range<i64>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.9.0/src/distr/uniform.rs:424:8
[INFO] [stdout]     |
[INFO] [stdout] 424 |     fn sample_single<R: RngCore + ?Sized>(self, rng: &mut R) -> Result<T, Error>;
[INFO] [stdout]     |        ------------- the method is available for `std::ops::Range<i64>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `SampleRange` which provides `sample_single` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use rand::distr::uniform::SampleRange;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sample_single` found for struct `std::ops::Range` in the current scope
[INFO] [stdout]   --> examples/infinite_roads.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |             name: (0..(3..(n + 3)).sample_single(&mut rng))
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ method not found in `std::ops::Range<i64>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `SampleRange` which provides `sample_single` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 1  + use rand::distr::uniform::SampleRange;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sample_single` found for struct `std::ops::RangeInclusive` in the current scope
[INFO] [stdout]    --> examples/infinite_roads.rs:36:38
[INFO] [stdout]     |
[INFO] [stdout] 36  |                 .map(|_| ('a'..='z').sample_single(&mut rng))
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^ method not found in `std::ops::RangeInclusive<char>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.9.0/src/distr/uniform.rs:424:8
[INFO] [stdout]     |
[INFO] [stdout] 424 |     fn sample_single<R: RngCore + ?Sized>(self, rng: &mut R) -> Result<T, Error>;
[INFO] [stdout]     |        ------------- the method is available for `std::ops::RangeInclusive<char>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `SampleRange` which provides `sample_single` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use rand::distr::uniform::SampleRange;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `layer-proc-gen` (example "infinite_roads") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "f7e54c221ca22d18e7695399f8c8d6610a3f842ea22e9bdf069b8704d1071aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e54c221ca22d18e7695399f8c8d6610a3f842ea22e9bdf069b8704d1071aad", kill_on_drop: false }`
[INFO] [stdout] f7e54c221ca22d18e7695399f8c8d6610a3f842ea22e9bdf069b8704d1071aad
