[INFO] fetching crate comptime 1.0.0...
[INFO] checking comptime-1.0.0 against master#b52edc25bfbaa955b4b83c10f998e5224c3478b2 for pr-156776
[INFO] extracting crate comptime 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate comptime 1.0.0
[INFO] finished tweaking crates.io crate comptime 1.0.0
[INFO] tweaked toml for crates.io crate comptime 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate comptime 1.0.0 on toolchain b52edc25bfbaa955b4b83c10f998e5224c3478b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate comptime 1.0.0 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" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e8aafe663e82fe9ddf3a77ee3d64735745c7e723f4cfb9d350e4d3816c7d212
[INFO] running `Command { std: "docker" "start" "-a" "2e8aafe663e82fe9ddf3a77ee3d64735745c7e723f4cfb9d350e4d3816c7d212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e8aafe663e82fe9ddf3a77ee3d64735745c7e723f4cfb9d350e4d3816c7d212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8aafe663e82fe9ddf3a77ee3d64735745c7e723f4cfb9d350e4d3816c7d212", kill_on_drop: false }`
[INFO] [stdout] 2e8aafe663e82fe9ddf3a77ee3d64735745c7e723f4cfb9d350e4d3816c7d212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6c1d94698fdf2c56e4743d3e3f55c18ed7f000bad0c281d28a0e338c18e2783
[INFO] running `Command { std: "docker" "start" "-a" "a6c1d94698fdf2c56e4743d3e3f55c18ed7f000bad0c281d28a0e338c18e2783", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking comptime v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: could not compile comptime expr:
[INFO] [stdout]        
[INFO] [stdout]        {"$message_type":"diagnostic","message":"cannot find `StdRng` in `rngs`","code":{"code":"E0433","explanation":"An undeclared crate, module, or type was used.\n\nErroneous code example:\n\n```compile_fail,E0433\nlet map = HashMap::new();\n// error: failed to resolve: use of undeclared type `HashMap`\n```\n\nPlease verify you didn't misspell the type/module's name or that you didn't\nforget to import it:\n\n```\nuse std::collections::HashMap; // HashMap has been imported.\nlet map: HashMap<u32, u32> = HashMap::new(); // So it can be used!\n```\n\nIf you've expected to use a crate name:\n\n```compile_fail\nuse ferris_wheel::BigO;\n// error: failed to resolve: use of undeclared module or unlinked crate\n```\n\nMake sure the crate has been added as a dependency in `Cargo.toml`.\n\nTo use a module from your current crate, add the `crate::` prefix to the path.\n"},"level":"error","spans":[{"file_name":"/opt/rustwide/target/debug/deps/comptime-11917016206456442026.rs","byte_start":110,"byte_end":116,"line_start":2,"line_end":2,"column_start":99,"column_end":105,"is_primary":true,"text":[{"text":"                    let comptime_output = { use rand :: { SeedableRng, RngCore }; rand :: rngs :: StdRng ::","highlight_start":99,"highlight_end":105}],"label":"could not find `StdRng` in `rngs`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"found an item that was configured out","code":null,"level":"note","spans":[{"file_name":"/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/mod.rs","byte_start":5718,"byte_end":5737,"line_start":115,"line_end":115,"column_start":7,"column_end":26,"is_primary":false,"text":[{"text":"#[cfg(feature = \"std_rng\")] pub use self::std::StdRng;","highlight_start":7,"highlight_end":26}],"label":"the item is gated behind the `std_rng` feature","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/mod.rs","byte_start":5759,"byte_end":5765,"line_start":115,"line_end":115,"column_start":48,"column_end":54,"is_primary":true,"text":[{"text":"#[cfg(feature = \"std_rng\")] pub use self::std::StdRng;","highlight_start":48,"highlight_end":54}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[1m\u001b[91merror[E0433]\u001b[0m\u001b[1m: cannot find `StdRng` in `rngs`\u001b[0m\n   \u001b[1m\u001b[94m--> \u001b[0m/opt/rustwide/target/debug/deps/comptime-11917016206456442026.rs:2:99\n    \u001b[1m\u001b[94m|\u001b[0m\n\u001b[1m\u001b[94m  2\u001b[0m \u001b[1m\u001b[94m|\u001b[0m                     let comptime_output = { use rand :: { SeedableRng, RngCore }; rand :: rngs :: StdRng ::\n    \u001b[1m\u001b[94m|\u001b[0m                                                                                                   \u001b[1m\u001b[91m^^^^^^\u001b[0m \u001b[1m\u001b[91mcould not find `StdRng` in `rngs`\u001b[0m\n    \u001b[1m\u001b[94m|\u001b[0m\n\u001b[1m\u001b[92mnote\u001b[0m: found an item that was configured out\n   \u001b[1m\u001b[94m--> \u001b[0m/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/mod.rs:115:48\n    \u001b[1m\u001b[94m|\u001b[0m\n\u001b[1m\u001b[94m115\u001b[0m \u001b[1m\u001b[94m|\u001b[0m #[cfg(feature = \"std_rng\")] pub use self::std::StdRng;\n    \u001b[1m\u001b[94m|\u001b[0m       \u001b[1m\u001b[94m-------------------\u001b[0m                      \u001b[1m\u001b[92m^^^^^^\u001b[0m\n    \u001b[1m\u001b[94m|\u001b[0m       \u001b[1m\u001b[94m|\u001b[0m\n    \u001b[1m\u001b[94m|\u001b[0m       \u001b[1m\u001b[94mthe item is gated behind the `std_rng` feature\u001b[0m\n\n"}
[INFO] [stdout]        {"$message_type":"artifact","artifact":"/opt/rustwide/target/debug/deps/comptime_bin-64ea53bc1ceeb472.d","emit":"dep-info"}
[INFO] [stdout]        {"$message_type":"diagnostic","message":"unused import: `SeedableRng`","code":{"code":"unused_imports","explanation":null},"level":"warning","spans":[{"file_name":"/opt/rustwide/target/debug/deps/comptime-11917016206456442026.rs","byte_start":70,"byte_end":81,"line_start":2,"line_end":2,"column_start":59,"column_end":70,"is_primary":true,"text":[{"text":"                    let comptime_output = { use rand :: { SeedableRng, RngCore }; rand :: rngs :: StdRng ::","highlight_start":59,"highlight_end":70}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null},{"message":"remove the unused import","code":null,"level":"help","spans":[{"file_name":"/opt/rustwide/target/debug/deps/comptime-11917016206456442026.rs","byte_start":70,"byte_end":83,"line_start":2,"line_end":2,"column_start":59,"column_end":72,"is_primary":true,"text":[{"text":"                    let comptime_output = { use rand :: { SeedableRng, RngCore }; rand :: rngs :: StdRng ::","highlight_start":59,"highlight_end":72}],"label":null,"suggested_replacement":"","suggestion_applicability":"MachineApplicable","expansion":null},{"file_name":"/opt/rustwide/target/debug/deps/comptime-11917016206456442026.rs","byte_start":68,"byte_end":70,"line_start":2,"line_end":2,"column_start":57,"column_end":59,"is_primary":true,"text":[{"text":"                    let comptime_output = { use rand :: { SeedableRng, RngCore }; rand :: rngs :: StdRng ::","highlight_start":57,"highlight_end":59}],"label":null,"suggested_replacement":"","suggestion_applicability":"MachineApplicable","expansion":null},{"file_name":"/opt/rustwide/target/debug/deps/comptime-11917016206456442026.rs","byte_start":90,"byte_end":92,"line_start":2,"line_end":2,"column_start":79,"column_end":81,"is_primary":true,"text":[{"text":"                    let comptime_output = { use rand :: { SeedableRng, RngCore }; rand :: rngs :: StdRng ::","highlight_start":79,"highlight_end":81}],"label":null,"suggested_replacement":"","suggestion_applicability":"MachineApplicable","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[1m\u001b[33mwarning\u001b[0m\u001b[1m: unused import: `SeedableRng`\u001b[0m\n \u001b[1m\u001b[94m--> \u001b[0m/opt/rustwide/target/debug/deps/comptime-11917016206456442026.rs:2:59\n  \u001b[1m\u001b[94m|\u001b[0m\n\u001b[1m\u001b[94m2\u001b[0m \u001b[1m\u001b[94m|\u001b[0m                     let comptime_output = { use rand :: { SeedableRng, RngCore }; rand :: rngs :: StdRng ::\n  \u001b[1m\u001b[94m|\u001b[0m                                                           \u001b[1m\u001b[33m^^^^^^^^^^^\u001b[0m\n  \u001b[1m\u001b[94m|\u001b[0m\n  \u001b[1m\u001b[94m= \u001b[0m\u001b[1mnote\u001b[0m: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default\n\n"}
[INFO] [stdout]        {"$message_type":"diagnostic","message":"aborting due to 1 previous error; 1 warning emitted","code":null,"level":"error","spans":[],"children":[],"rendered":"\u001b[1m\u001b[91merror\u001b[0m\u001b[1m: aborting due to 1 previous error; 1 warning emitted\u001b[0m\n\n"}
[INFO] [stdout]        {"$message_type":"diagnostic","message":"For more information about this error, try `rustc --explain E0433`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[1mFor more information about this error, try `rustc --explain E0433`.\u001b[0m\n"}
[INFO] [stdout]        
[INFO] [stdout]        
[INFO] [stdout]   --> tests/integration.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         comptime! {
[INFO] [stdout] 31 | |             use rand::{SeedableRng, RngCore};
[INFO] [stdout] 32 | |             rand::rngs::StdRng::seed_from_u64(42u64).next_u64()
[INFO] [stdout] 33 | |         },
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `comptime` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comptime` (test "integration") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a6c1d94698fdf2c56e4743d3e3f55c18ed7f000bad0c281d28a0e338c18e2783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c1d94698fdf2c56e4743d3e3f55c18ed7f000bad0c281d28a0e338c18e2783", kill_on_drop: false }`
[INFO] [stdout] a6c1d94698fdf2c56e4743d3e3f55c18ed7f000bad0c281d28a0e338c18e2783
