[INFO] fetching crate tailcall-impl 0.1.6...
[INFO] testing tailcall-impl-0.1.6 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tailcall-impl 0.1.6 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate tailcall-impl 0.1.6 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tailcall-impl 0.1.6
[INFO] finished tweaking crates.io crate tailcall-impl 0.1.6
[INFO] tweaked toml for crates.io crate tailcall-impl 0.1.6 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 646df838a3aff621fabc82efd555471ab2dc49dd14af2d59e0e2496c0aad765a
[INFO] running `Command { std: "docker" "start" "-a" "646df838a3aff621fabc82efd555471ab2dc49dd14af2d59e0e2496c0aad765a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "646df838a3aff621fabc82efd555471ab2dc49dd14af2d59e0e2496c0aad765a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646df838a3aff621fabc82efd555471ab2dc49dd14af2d59e0e2496c0aad765a", kill_on_drop: false }`
[INFO] [stdout] 646df838a3aff621fabc82efd555471ab2dc49dd14af2d59e0e2496c0aad765a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fef2f5ea205d59d61873e3666fc61a272685c020d401185ad5ec5c9c2fe381b
[INFO] running `Command { std: "docker" "start" "-a" "2fef2f5ea205d59d61873e3666fc61a272685c020d401185ad5ec5c9c2fe381b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling tailcall-impl v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "2fef2f5ea205d59d61873e3666fc61a272685c020d401185ad5ec5c9c2fe381b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fef2f5ea205d59d61873e3666fc61a272685c020d401185ad5ec5c9c2fe381b", kill_on_drop: false }`
[INFO] [stdout] 2fef2f5ea205d59d61873e3666fc61a272685c020d401185ad5ec5c9c2fe381b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 545c43a854e38359d3ce8c8434d7e566a840568a3103af88c761124ca5419b19
[INFO] running `Command { std: "docker" "start" "-a" "545c43a854e38359d3ce8c8434d7e566a840568a3103af88c761124ca5419b19", kill_on_drop: false }`
[INFO] [stderr]    Compiling tailcall-impl v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "545c43a854e38359d3ce8c8434d7e566a840568a3103af88c761124ca5419b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545c43a854e38359d3ce8c8434d7e566a840568a3103af88c761124ca5419b19", kill_on_drop: false }`
[INFO] [stdout] 545c43a854e38359d3ce8c8434d7e566a840568a3103af88c761124ca5419b19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b6e446dd1fd8a33def4a878da67ec2b9e6c81aec791a378782bce1a818d73355
[INFO] running `Command { std: "docker" "start" "-a" "b6e446dd1fd8a33def4a878da67ec2b9e6c81aec791a378782bce1a818d73355", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tailcall_impl-296efa47dec1e06f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tailcall-impl
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - tailcall (line 33) ... FAILED
[INFO] [stdout] test src/lib.rs - tailcall (line 54) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - tailcall (line 70) - compile fail ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - tailcall (line 33) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `tailcall`
[INFO] [stdout]  --> src/lib.rs:34:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tailcall::tailcall;
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `tailcall`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `tailcall`
[INFO] [stdout]  --> src/lib.rs:37:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[tailcall]
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - tailcall (line 33)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "b6e446dd1fd8a33def4a878da67ec2b9e6c81aec791a378782bce1a818d73355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e446dd1fd8a33def4a878da67ec2b9e6c81aec791a378782bce1a818d73355", kill_on_drop: false }`
[INFO] [stdout] b6e446dd1fd8a33def4a878da67ec2b9e6c81aec791a378782bce1a818d73355