[INFO] fetching crate tailcall-impl 0.1.6...
[INFO] testing tailcall-impl-0.1.6 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate tailcall-impl 0.1.6 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate tailcall-impl 0.1.6 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0b56deb9b6f1a9caef6bd2c7fa8c7c62663db177ea38ff5c021db8cdfa12356
[INFO] running `Command { std: "docker" "start" "-a" "b0b56deb9b6f1a9caef6bd2c7fa8c7c62663db177ea38ff5c021db8cdfa12356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0b56deb9b6f1a9caef6bd2c7fa8c7c62663db177ea38ff5c021db8cdfa12356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b56deb9b6f1a9caef6bd2c7fa8c7c62663db177ea38ff5c021db8cdfa12356", kill_on_drop: false }`
[INFO] [stdout] b0b56deb9b6f1a9caef6bd2c7fa8c7c62663db177ea38ff5c021db8cdfa12356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16cd9476fb7ca74df3a908a797388cc921c45ec56aa1b8f24083e30235711887
[INFO] running `Command { std: "docker" "start" "-a" "16cd9476fb7ca74df3a908a797388cc921c45ec56aa1b8f24083e30235711887", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling tailcall-impl v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.24s
[INFO] running `Command { std: "docker" "inspect" "16cd9476fb7ca74df3a908a797388cc921c45ec56aa1b8f24083e30235711887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16cd9476fb7ca74df3a908a797388cc921c45ec56aa1b8f24083e30235711887", kill_on_drop: false }`
[INFO] [stdout] 16cd9476fb7ca74df3a908a797388cc921c45ec56aa1b8f24083e30235711887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a0afa386ecc84ece8421fb0cd0ffa1776ada56d7a470e65d4ecc485302ae939
[INFO] running `Command { std: "docker" "start" "-a" "5a0afa386ecc84ece8421fb0cd0ffa1776ada56d7a470e65d4ecc485302ae939", kill_on_drop: false }`
[INFO] [stderr]    Compiling tailcall-impl v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "5a0afa386ecc84ece8421fb0cd0ffa1776ada56d7a470e65d4ecc485302ae939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a0afa386ecc84ece8421fb0cd0ffa1776ada56d7a470e65d4ecc485302ae939", kill_on_drop: false }`
[INFO] [stdout] 5a0afa386ecc84ece8421fb0cd0ffa1776ada56d7a470e65d4ecc485302ae939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 734664c1f8853e0cee5cf46bdd8d39a007301fc6f2c0baa216e0ab35de5795e9
[INFO] running `Command { std: "docker" "start" "-a" "734664c1f8853e0cee5cf46bdd8d39a007301fc6f2c0baa216e0ab35de5795e9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tailcall_impl-2d121ff15fc2c3bc)
[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 0.46s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "734664c1f8853e0cee5cf46bdd8d39a007301fc6f2c0baa216e0ab35de5795e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734664c1f8853e0cee5cf46bdd8d39a007301fc6f2c0baa216e0ab35de5795e9", kill_on_drop: false }`
[INFO] [stdout] 734664c1f8853e0cee5cf46bdd8d39a007301fc6f2c0baa216e0ab35de5795e9
