[INFO] fetching crate fn_block 0.2.1...
[INFO] testing fn_block-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate fn_block 0.2.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate fn_block 0.2.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fn_block 0.2.1
[INFO] finished tweaking crates.io crate fn_block 0.2.1
[INFO] tweaked toml for crates.io crate fn_block 0.2.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bde85927f25ab39611504496dacc852a7d8cf09d5bef03f0077b1fc811fb0d7
[INFO] running `Command { std: "docker" "start" "-a" "8bde85927f25ab39611504496dacc852a7d8cf09d5bef03f0077b1fc811fb0d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bde85927f25ab39611504496dacc852a7d8cf09d5bef03f0077b1fc811fb0d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bde85927f25ab39611504496dacc852a7d8cf09d5bef03f0077b1fc811fb0d7", kill_on_drop: false }`
[INFO] [stdout] 8bde85927f25ab39611504496dacc852a7d8cf09d5bef03f0077b1fc811fb0d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff1a06e23d0032e869d21579b56a8bab108612a1e9e6699888694e694f3e4d08
[INFO] running `Command { std: "docker" "start" "-a" "ff1a06e23d0032e869d21579b56a8bab108612a1e9e6699888694e694f3e4d08", kill_on_drop: false }`
[INFO] [stderr]    Compiling fn_block v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "ff1a06e23d0032e869d21579b56a8bab108612a1e9e6699888694e694f3e4d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1a06e23d0032e869d21579b56a8bab108612a1e9e6699888694e694f3e4d08", kill_on_drop: false }`
[INFO] [stdout] ff1a06e23d0032e869d21579b56a8bab108612a1e9e6699888694e694f3e4d08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a44e916429efcd995941bc4ac73c59d5b8323c7b741bebeceb4b43512385258d
[INFO] running `Command { std: "docker" "start" "-a" "a44e916429efcd995941bc4ac73c59d5b8323c7b741bebeceb4b43512385258d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling fn_block v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `fn_block`: Please use `fn_expr` instead, since it can also be used to wrap blocks. Blocks are expressions as well.
[INFO] [stdout]   --> src/tests.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let foo = fn_block!{{
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `fn_block`: Please use `fn_expr` instead, since it can also be used to wrap blocks. Blocks are expressions as well.
[INFO] [stdout]   --> src/tests.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let foo = fn_block!{{
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `fn_block`: Please use `fn_expr` instead, since it can also be used to wrap blocks. Blocks are expressions as well.
[INFO] [stdout]   --> src/tests.rs:79:15
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let res = fn_block!{ Result<u32,ParseIntError>: {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.48s
[INFO] running `Command { std: "docker" "inspect" "a44e916429efcd995941bc4ac73c59d5b8323c7b741bebeceb4b43512385258d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44e916429efcd995941bc4ac73c59d5b8323c7b741bebeceb4b43512385258d", kill_on_drop: false }`
[INFO] [stdout] a44e916429efcd995941bc4ac73c59d5b8323c7b741bebeceb4b43512385258d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eef8687193d96481b18800f06bb27195fd99f8b5716a5dbe9401b08cdce8d5d4
[INFO] running `Command { std: "docker" "start" "-a" "eef8687193d96481b18800f06bb27195fd99f8b5716a5dbe9401b08cdce8d5d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `fn_block`: Please use `fn_expr` instead, since it can also be used to wrap blocks. Blocks are expressions as well.
[INFO] [stderr]   --> src/tests.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let foo = fn_block!{{
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `fn_block`: Please use `fn_expr` instead, since it can also be used to wrap blocks. Blocks are expressions as well.
[INFO] [stderr]   --> src/tests.rs:35:15
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let foo = fn_block!{{
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `fn_block`: Please use `fn_expr` instead, since it can also be used to wrap blocks. Blocks are expressions as well.
[INFO] [stderr]   --> src/tests.rs:79:15
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let res = fn_block!{ Result<u32,ParseIntError>: {
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fn_block` (lib test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fn_block-e57ce971a2ba88d8)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::fn_block_none ... ok
[INFO] [stdout] test tests::fn_block_some ... ok
[INFO] [stdout] test tests::fn_expr_block_none ... ok
[INFO] [stdout] test tests::fn_expr_block_some ... ok
[INFO] [stdout] test tests::fn_block_resulttype ... ok
[INFO] [stdout] test tests::fn_expr_none ... ok
[INFO] [stdout] test tests::fn_expr_resulttype ... ok
[INFO] [stdout] test tests::fn_expr_some ... ok
[INFO] [stdout] test tests::into_ok ... ok
[INFO] [stdout] test tests::into_some ... ok
[INFO] [stdout] test tests::showcase ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fn_block
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - (line 74) ... FAILED
[INFO] [stdout] test src/lib.rs - T (line 405) ... ok
[INFO] [stdout] test src/lib.rs - fn_block (line 122) ... ok
[INFO] [stdout] test src/lib.rs - IntoSome (line 325) ... ok
[INFO] [stdout] test src/lib.rs - IntoSome (line 313) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - IntoOk (line 377) ... ok
[INFO] [stdout] test src/lib.rs - T (line 344) ... ok
[INFO] [stdout] test src/lib.rs - IntoOk (line 365) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - fn_expr (line 165) ... ok
[INFO] [stdout] test src/lib.rs - fn_block (line 112) ... ok
[INFO] [stdout] test src/lib.rs - fn_expr (line 178) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 74) stdout ----
[INFO] [stdout] error: cannot find macro `fn_try` in this scope
[INFO] [stdout]   --> src/lib.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | let res_int = fn_try!{
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 74)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 13 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "eef8687193d96481b18800f06bb27195fd99f8b5716a5dbe9401b08cdce8d5d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef8687193d96481b18800f06bb27195fd99f8b5716a5dbe9401b08cdce8d5d4", kill_on_drop: false }`
[INFO] [stdout] eef8687193d96481b18800f06bb27195fd99f8b5716a5dbe9401b08cdce8d5d4