[INFO] fetching crate serde_at 0.6.0...
[INFO] testing serde_at-0.6.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate serde_at 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde_at 0.6.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_at 0.6.0
[INFO] finished tweaking crates.io crate serde_at 0.6.0
[INFO] tweaked toml for crates.io crate serde_at 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b934e414ec6d3348555e21d4a79436ca52792cab17a8910760450cf8d7f0ddf
[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" "9b934e414ec6d3348555e21d4a79436ca52792cab17a8910760450cf8d7f0ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b934e414ec6d3348555e21d4a79436ca52792cab17a8910760450cf8d7f0ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b934e414ec6d3348555e21d4a79436ca52792cab17a8910760450cf8d7f0ddf", kill_on_drop: false }`
[INFO] [stdout] 9b934e414ec6d3348555e21d4a79436ca52792cab17a8910760450cf8d7f0ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff48f18731ec554c531c00de1c2768d147ddc9611e02e132cc2fe108dc38922
[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" "fff48f18731ec554c531c00de1c2768d147ddc9611e02e132cc2fe108dc38922", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling serde_at v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "fff48f18731ec554c531c00de1c2768d147ddc9611e02e132cc2fe108dc38922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff48f18731ec554c531c00de1c2768d147ddc9611e02e132cc2fe108dc38922", kill_on_drop: false }`
[INFO] [stdout] fff48f18731ec554c531c00de1c2768d147ddc9611e02e132cc2fe108dc38922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5057cff7085cd14c9615d3704e72fc358dbff6755e0d60d7d7cd4bb3d3ba76ae
[INFO] running `Command { std: "docker" "start" "-a" "5057cff7085cd14c9615d3704e72fc358dbff6755e0d60d7d7cd4bb3d3ba76ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_at v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "5057cff7085cd14c9615d3704e72fc358dbff6755e0d60d7d7cd4bb3d3ba76ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5057cff7085cd14c9615d3704e72fc358dbff6755e0d60d7d7cd4bb3d3ba76ae", kill_on_drop: false }`
[INFO] [stdout] 5057cff7085cd14c9615d3704e72fc358dbff6755e0d60d7d7cd4bb3d3ba76ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 56c380736b71fe165453243a655cb8da78744411bb715682ba96b5e20691bf73
[INFO] running `Command { std: "docker" "start" "-a" "56c380736b71fe165453243a655cb8da78744411bb715682ba96b5e20691bf73", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_at-c592d4301f3ecd05
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test de::tests::char_test ... ok
[INFO] [stdout] test de::tests::simple_vec ... ignored
[INFO] [stdout] test ser::tests::newtype_struct ... ok
[INFO] [stdout] test de::tests::simple_struct ... ok
[INFO] [stdout] test ser::tests::tuple_struct ... ok
[INFO] [stdout] test de::tests::u128_test ... ok
[INFO] [stdout] test de::tests::newtype_struct ... ok
[INFO] [stdout] test de::tests::simple_string ... ok
[INFO] [stdout] test de::tests::char_vec_struct ... ok
[INFO] [stdout] test de::tests::simple_struct_optionals ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_at
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/de/mod.rs - de::CharVec (line 23) ... FAILED
[INFO] [stdout] test src/ser/mod.rs - ser::Bytes (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/de/mod.rs - de::CharVec (line 23) stdout ----
[INFO] [stdout] error: expected `,`, or `}`, found `value`
[INFO] [stdout]   --> src/de/mod.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     vec: CharVec<consts::U7>
[INFO] [stdout]    |                             ^ help: try adding a comma: `,`
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]   --> src/de/mod.rs:35:63
[INFO] [stdout]    |
[INFO] [stdout] 15 | let incoming: CommandStruct = from_str("+CCID: 4,IMP_MSG,-12")
[INFO] [stdout]    |                                                               ^ help: add `;` here
[INFO] [stdout] 16 | 
[INFO] [stdout] 17 | let expected = CommandStruct{
[INFO] [stdout]    | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `assert_eq`
[INFO] [stdout]   --> src/de/mod.rs:41:2
[INFO] [stdout]    |
[INFO] [stdout] 21 | }
[INFO] [stdout]    |  ^ help: add `;` here
[INFO] [stdout] 22 | 
[INFO] [stdout] 23 | assert_eq!(incoming, Ok(expected));
[INFO] [stdout]    | --------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/de/mod.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug, Deserialize, PartialEq)]
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: a derive macro with a similar name exists: `Serialize`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.118/src/lib.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn derive_serialize(input: TokenStream) -> TokenStream {
[INFO] [stdout]    | ---------------------------------------------------------- similarly named derive macro `Serialize` defined here
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharVec` in this scope
[INFO] [stdout]   --> src/de/mod.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     vec: CharVec<consts::U7>
[INFO] [stdout]    |          ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 3  | use serde_at::CharVec;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_str` in this scope
[INFO] [stdout]   --> src/de/mod.rs:35:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | let incoming: CommandStruct = from_str("+CCID: 4,IMP_MSG,-12")
[INFO] [stdout]    |                               ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 3  | use serde_at::from_str;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `CharVec` in this scope
[INFO] [stdout]   --> src/de/mod.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 19 |     vec : CharVec(heapless::Vec::from_slice(&['I', 'M', 'P', '_', 'M', 'S', 'G']).unwrap()),
[INFO] [stdout]    |           ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/de/mod.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | assert_eq!(incoming, Ok(expected));
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `CommandStruct`, found enum `std::result::Result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `CommandStruct`
[INFO] [stdout]                 found enum `std::result::Result<CommandStruct, _>`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0412, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/de/mod.rs - de::CharVec (line 23)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "56c380736b71fe165453243a655cb8da78744411bb715682ba96b5e20691bf73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c380736b71fe165453243a655cb8da78744411bb715682ba96b5e20691bf73", kill_on_drop: false }`
[INFO] [stdout] 56c380736b71fe165453243a655cb8da78744411bb715682ba96b5e20691bf73