[INFO] cloning repository https://github.com/carrotflakes/fnum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carrotflakes/fnum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarrotflakes%2Ffnum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarrotflakes%2Ffnum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a8e86b91911f5022a2d9154f19e7e25f89efe4d
[INFO] testing carrotflakes/fnum against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarrotflakes%2Ffnum" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carrotflakes/fnum on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/carrotflakes/fnum
[INFO] finished tweaking git repo https://github.com/carrotflakes/fnum
[INFO] tweaked toml for git repo https://github.com/carrotflakes/fnum written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/carrotflakes/fnum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f652d1f9898477aadb59a1bdd5380894c98fa74a3a938e1e2110834738f3cca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f652d1f9898477aadb59a1bdd5380894c98fa74a3a938e1e2110834738f3cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f652d1f9898477aadb59a1bdd5380894c98fa74a3a938e1e2110834738f3cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f652d1f9898477aadb59a1bdd5380894c98fa74a3a938e1e2110834738f3cca", kill_on_drop: false }`
[INFO] [stdout] 7f652d1f9898477aadb59a1bdd5380894c98fa74a3a938e1e2110834738f3cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d2f3ec298083c05457db2d17f6c3a5ee343d4cc4e7e2479802d45e757e37e49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d2f3ec298083c05457db2d17f6c3a5ee343d4cc4e7e2479802d45e757e37e49", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling fnum-derive v0.0.1
[INFO] [stderr]    Compiling fnum v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.20s
[INFO] running `Command { std: "docker" "inspect" "8d2f3ec298083c05457db2d17f6c3a5ee343d4cc4e7e2479802d45e757e37e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2f3ec298083c05457db2d17f6c3a5ee343d4cc4e7e2479802d45e757e37e49", kill_on_drop: false }`
[INFO] [stdout] 8d2f3ec298083c05457db2d17f6c3a5ee343d4cc4e7e2479802d45e757e37e49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5d322fc922264d8d1bbb34431f8c0bea80506412ac2833fc241d65b5dd9c874
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d5d322fc922264d8d1bbb34431f8c0bea80506412ac2833fc241d65b5dd9c874", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnum v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "d5d322fc922264d8d1bbb34431f8c0bea80506412ac2833fc241d65b5dd9c874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d322fc922264d8d1bbb34431f8c0bea80506412ac2833fc241d65b5dd9c874", kill_on_drop: false }`
[INFO] [stdout] d5d322fc922264d8d1bbb34431f8c0bea80506412ac2833fc241d65b5dd9c874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb98ef7b2f70bad51eed62656d8ae160957a47937d6cd678e1816954ba5ebb8d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bb98ef7b2f70bad51eed62656d8ae160957a47937d6cd678e1816954ba5ebb8d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fnum-ed72f3a6cdffcfe0
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fnum
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Fnum::variant_index (line 37) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Fnum::variant_index (line 37) stdout ----
[INFO] [stdout] error: cannot find derive macro `Fnum` in this scope
[INFO] [stdout]  --> src/lib.rs:38:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Fnum)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `First` found for enum `MyEnum` in the current scope
[INFO] [stdout]  --> src/lib.rs:44:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum MyEnum {
[INFO] [stdout]   | ----------- variant or associated item `First` not found here
[INFO] [stdout] ...
[INFO] [stdout] 9 | assert_eq!(MyEnum::First.variant_index(), 0);
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    variant or associated item not found in `MyEnum`
[INFO] [stdout]   |                    help: there is a variant with a similar name (notice the capitalization): `FIrst`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `variant_index` found for enum `MyEnum` in the current scope
[INFO] [stdout]   --> src/lib.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 4  | enum MyEnum {
[INFO] [stdout]    | ----------- method `variant_index` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 10 | assert_eq!(MyEnum::Second.variant_index(), 1);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ method not found in `MyEnum`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `variant_index`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `fnum::Fnum`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Fnum::variant_index (line 37)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "bb98ef7b2f70bad51eed62656d8ae160957a47937d6cd678e1816954ba5ebb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb98ef7b2f70bad51eed62656d8ae160957a47937d6cd678e1816954ba5ebb8d", kill_on_drop: false }`
[INFO] [stdout] bb98ef7b2f70bad51eed62656d8ae160957a47937d6cd678e1816954ba5ebb8d