[INFO] fetching crate fat32 0.1.4...
[INFO] testing fat32-0.1.4 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate fat32 0.1.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fat32 0.1.4 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fat32 0.1.4
[INFO] finished tweaking crates.io crate fat32 0.1.4
[INFO] tweaked toml for crates.io crate fat32 0.1.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d7f9cc10929e3888d12833a82a7a969d4dbfb8788a37e17c1babca24301ddb3
[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" "4d7f9cc10929e3888d12833a82a7a969d4dbfb8788a37e17c1babca24301ddb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d7f9cc10929e3888d12833a82a7a969d4dbfb8788a37e17c1babca24301ddb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7f9cc10929e3888d12833a82a7a969d4dbfb8788a37e17c1babca24301ddb3", kill_on_drop: false }`
[INFO] [stdout] 4d7f9cc10929e3888d12833a82a7a969d4dbfb8788a37e17c1babca24301ddb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71ba6a4bd7e17aaeeadef43cd6a4e13a256c8f15cde781f6b1f3661985b27677
[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" "71ba6a4bd7e17aaeeadef43cd6a4e13a256c8f15cde781f6b1f3661985b27677", kill_on_drop: false }`
[INFO] [stderr]    Compiling block_device v0.1.0
[INFO] [stderr]    Compiling fat32 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "71ba6a4bd7e17aaeeadef43cd6a4e13a256c8f15cde781f6b1f3661985b27677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ba6a4bd7e17aaeeadef43cd6a4e13a256c8f15cde781f6b1f3661985b27677", kill_on_drop: false }`
[INFO] [stdout] 71ba6a4bd7e17aaeeadef43cd6a4e13a256c8f15cde781f6b1f3661985b27677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 371f69016ac1f67b03e726ab1dad7d06cb4c4ae3ea1f7a453a83227952c20cf7
[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" "371f69016ac1f67b03e726ab1dad7d06cb4c4ae3ea1f7a453a83227952c20cf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling fat32 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "371f69016ac1f67b03e726ab1dad7d06cb4c4ae3ea1f7a453a83227952c20cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371f69016ac1f67b03e726ab1dad7d06cb4c4ae3ea1f7a453a83227952c20cf7", kill_on_drop: false }`
[INFO] [stdout] 371f69016ac1f67b03e726ab1dad7d06cb4c4ae3ea1f7a453a83227952c20cf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9160ed3bade2a5d1a3fd10d80a84b39bad5c9086e050a33d4760c4990d328e6
[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" "e9160ed3bade2a5d1a3fd10d80a84b39bad5c9086e050a33d4760c4990d328e6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fat32-b418867ec834b3d7
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fat32
[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 5 tests
[INFO] [stdout] test src/lib.rs - (line 57) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 64) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 70) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 28) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 57) stdout ----
[INFO] [stdout] error: expected `{`, found `feature`
[INFO] [stdout]  --> src/lib.rs:58:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | if no feature, the BUFFER_SIZE is 512 Bytes
[INFO] [stdout]   | --    ^^^^^^^
[INFO] [stdout]   | |     |
[INFO] [stdout]   | |     expected `{`
[INFO] [stdout]   | |     help: try placing this code inside a block: `{ feature }`
[INFO] [stdout]   | this `if` expression has a condition, but no block
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 64) stdout ----
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `,`
[INFO] [stdout]  --> src/lib.rs:65:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | fat32 = { version = "0.1", features = ["1024"] }
[INFO] [stdout]   |                          ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found crate `fat32`
[INFO] [stdout]  --> src/lib.rs:65:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | fat32 = { version = "0.1", features = ["1024"] }
[INFO] [stdout]   | ^^^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 70) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Card`
[INFO] [stdout]  --> src/lib.rs:72:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | let card = Card::init().unwrap();
[INFO] [stdout]   |            ^^^^ use of undeclared type or module `Card`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Volume`
[INFO] [stdout]  --> src/lib.rs:74:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | let cont = Volume::new(card);
[INFO] [stdout]   |            ^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 4 | use fat32::base::Volume;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 28) stdout ----
[INFO] [stdout] error[E0405]: cannot find trait `BlockDevice` in this scope
[INFO] [stdout]  --> src/lib.rs:29:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl BlockDevice for Card {
[INFO] [stdout]   |      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 2 | use block_device::BlockDevice;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Card` in this scope
[INFO] [stdout]  --> src/lib.rs:29:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl BlockDevice for Card {
[INFO] [stdout]   |                      ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CmdError` in this scope
[INFO] [stdout]  --> src/lib.rs:30:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |    type Error = CmdError;
[INFO] [stdout]   |                 ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412.
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 28)
[INFO] [stdout]     src/lib.rs - (line 57)
[INFO] [stdout]     src/lib.rs - (line 64)
[INFO] [stdout]     src/lib.rs - (line 70)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 4 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" "e9160ed3bade2a5d1a3fd10d80a84b39bad5c9086e050a33d4760c4990d328e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9160ed3bade2a5d1a3fd10d80a84b39bad5c9086e050a33d4760c4990d328e6", kill_on_drop: false }`
[INFO] [stdout] e9160ed3bade2a5d1a3fd10d80a84b39bad5c9086e050a33d4760c4990d328e6