[INFO] fetching crate tailcall-impl 0.1.6...
[INFO] testing tailcall-impl-0.1.6 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate tailcall-impl 0.1.6 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate tailcall-impl 0.1.6 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23539255f2d19ca6c98d4db0b57442b19ff0b0719ebf3f48c992f0fd1e1d66d8
[INFO] running `Command { std: "docker" "start" "-a" "23539255f2d19ca6c98d4db0b57442b19ff0b0719ebf3f48c992f0fd1e1d66d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23539255f2d19ca6c98d4db0b57442b19ff0b0719ebf3f48c992f0fd1e1d66d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23539255f2d19ca6c98d4db0b57442b19ff0b0719ebf3f48c992f0fd1e1d66d8", kill_on_drop: false }`
[INFO] [stdout] 23539255f2d19ca6c98d4db0b57442b19ff0b0719ebf3f48c992f0fd1e1d66d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a327f9ce4219d603032fca197626967640e12fa4073f201ffe637d2abdc79a04
[INFO] running `Command { std: "docker" "start" "-a" "a327f9ce4219d603032fca197626967640e12fa4073f201ffe637d2abdc79a04", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling tailcall-impl v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.91s
[INFO] running `Command { std: "docker" "inspect" "a327f9ce4219d603032fca197626967640e12fa4073f201ffe637d2abdc79a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a327f9ce4219d603032fca197626967640e12fa4073f201ffe637d2abdc79a04", kill_on_drop: false }`
[INFO] [stdout] a327f9ce4219d603032fca197626967640e12fa4073f201ffe637d2abdc79a04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c744e414a26778aee12af3705e547ff19dd36785a454cb7470dac07427a6633
[INFO] running `Command { std: "docker" "start" "-a" "8c744e414a26778aee12af3705e547ff19dd36785a454cb7470dac07427a6633", kill_on_drop: false }`
[INFO] [stderr]    Compiling tailcall-impl v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "8c744e414a26778aee12af3705e547ff19dd36785a454cb7470dac07427a6633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c744e414a26778aee12af3705e547ff19dd36785a454cb7470dac07427a6633", kill_on_drop: false }`
[INFO] [stdout] 8c744e414a26778aee12af3705e547ff19dd36785a454cb7470dac07427a6633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19fe055bc4232ffe87401ce4fd8960e6f2fdd1622c56a86d85ef591e914494e0
[INFO] running `Command { std: "docker" "start" "-a" "19fe055bc4232ffe87401ce4fd8960e6f2fdd1622c56a86d85ef591e914494e0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tailcall_impl-5bd77a937fed5db3)
[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 54) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - tailcall (line 33) ... FAILED
[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 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "19fe055bc4232ffe87401ce4fd8960e6f2fdd1622c56a86d85ef591e914494e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19fe055bc4232ffe87401ce4fd8960e6f2fdd1622c56a86d85ef591e914494e0", kill_on_drop: false }`
[INFO] [stdout] 19fe055bc4232ffe87401ce4fd8960e6f2fdd1622c56a86d85ef591e914494e0