[INFO] fetching crate lift_result 1.0.1...
[INFO] testing lift_result-1.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate lift_result 1.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate lift_result 1.0.1
[INFO] finished tweaking crates.io crate lift_result 1.0.1
[INFO] tweaked toml for crates.io crate lift_result 1.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lift_result 1.0.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c28f109792d77b5c1ca726a0406a8bd5551da62637fb7d3e9c1bd8a621584efb
[INFO] running `Command { std: "docker" "start" "-a" "c28f109792d77b5c1ca726a0406a8bd5551da62637fb7d3e9c1bd8a621584efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c28f109792d77b5c1ca726a0406a8bd5551da62637fb7d3e9c1bd8a621584efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28f109792d77b5c1ca726a0406a8bd5551da62637fb7d3e9c1bd8a621584efb", kill_on_drop: false }`
[INFO] [stdout] c28f109792d77b5c1ca726a0406a8bd5551da62637fb7d3e9c1bd8a621584efb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da12ef2455741039e963ac96e3978dec7bd6bc0b7d7a78830bc19eda7128e2b
[INFO] running `Command { std: "docker" "start" "-a" "2da12ef2455741039e963ac96e3978dec7bd6bc0b7d7a78830bc19eda7128e2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lift_result v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "2da12ef2455741039e963ac96e3978dec7bd6bc0b7d7a78830bc19eda7128e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da12ef2455741039e963ac96e3978dec7bd6bc0b7d7a78830bc19eda7128e2b", kill_on_drop: false }`
[INFO] [stdout] 2da12ef2455741039e963ac96e3978dec7bd6bc0b7d7a78830bc19eda7128e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cc7a66c47b3bdb8e67bebd153a249ab00cb37a0fcbeea1e490bc128605cab10
[INFO] running `Command { std: "docker" "start" "-a" "5cc7a66c47b3bdb8e67bebd153a249ab00cb37a0fcbeea1e490bc128605cab10", kill_on_drop: false }`
[INFO] [stderr]    Compiling lift_result v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "5cc7a66c47b3bdb8e67bebd153a249ab00cb37a0fcbeea1e490bc128605cab10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc7a66c47b3bdb8e67bebd153a249ab00cb37a0fcbeea1e490bc128605cab10", kill_on_drop: false }`
[INFO] [stdout] 5cc7a66c47b3bdb8e67bebd153a249ab00cb37a0fcbeea1e490bc128605cab10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c11d8309a759a665cc9a9f3a0ba4cf00ae03662e5d93b55b834318d977d2cab7
[INFO] running `Command { std: "docker" "start" "-a" "c11d8309a759a665cc9a9f3a0ba4cf00ae03662e5d93b55b834318d977d2cab7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lift_result-584fec9549b932d6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lift_result
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - lift (line 47) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 25) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 11) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - lift (line 47) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `result` in this scope
[INFO] [stdout]  --> src/lib.rs:48:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | result
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Error`
[INFO] [stdout]  --> src/lib.rs:49:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     .map_err(Error::from)
[INFO] [stdout]   |              ^^^^^ use of undeclared type `Error`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::error::Error;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::fmt::Error;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io::Error;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use core::error::Error;
[INFO] [stdout]   |
[INFO] [stdout]   = and 1 other candidate
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `lift` in this scope
[INFO] [stdout]  --> src/lib.rs:50:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     .and_then(lift(failable))
[INFO] [stdout]   |               ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use lift_result::lift;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `failable` in this scope
[INFO] [stdout]  --> src/lib.rs:50:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     .and_then(lift(failable))
[INFO] [stdout]   |                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 25) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `result` in this scope
[INFO] [stdout]  --> src/lib.rs:26:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | result
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Error`
[INFO] [stdout]  --> src/lib.rs:27:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     .map_err(Error::from)
[INFO] [stdout]   |              ^^^^^ use of undeclared type `Error`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::error::Error;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::fmt::Error;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io::Error;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use core::error::Error;
[INFO] [stdout]   |
[INFO] [stdout]   = and 1 other candidate
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `lift` in this scope
[INFO] [stdout]  --> src/lib.rs:28:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     .and_then(lift(failable))
[INFO] [stdout]   |               ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use lift_result::lift;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `failable` in this scope
[INFO] [stdout]  --> src/lib.rs:28:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     .and_then(lift(failable))
[INFO] [stdout]   |                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 11) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `result` in this scope
[INFO] [stdout]  --> src/lib.rs:12:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | result.and_then(|x| failable(x).map_err(|e| e.into()))
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `failable` in this scope
[INFO] [stdout]  --> src/lib.rs:12:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | result.and_then(|x| failable(x).map_err(|e| e.into()))
[INFO] [stdout]   |                     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/lib.rs:12:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | result.and_then(|x| failable(x).map_err(|e| e.into()))
[INFO] [stdout]   |                                          ^  - type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]   |
[INFO] [stdout] 3 | result.and_then(|x| failable(x).map_err(|e: /* Type */| e.into()))
[INFO] [stdout]   |                                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `result` in this scope
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | result.map_err(Error::from)
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Error`
[INFO] [stdout]  --> src/lib.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | result.map_err(Error::from)
[INFO] [stdout]   |                ^^^^^ use of undeclared type `Error`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::error::Error;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::fmt::Error;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io::Error;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use core::error::Error;
[INFO] [stdout]   |
[INFO] [stdout]   = and 1 other candidate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 11)
[INFO] [stdout]     src/lib.rs - (line 25)
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout]     src/lib.rs - lift (line 47)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c11d8309a759a665cc9a9f3a0ba4cf00ae03662e5d93b55b834318d977d2cab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11d8309a759a665cc9a9f3a0ba4cf00ae03662e5d93b55b834318d977d2cab7", kill_on_drop: false }`
[INFO] [stdout] c11d8309a759a665cc9a9f3a0ba4cf00ae03662e5d93b55b834318d977d2cab7