[INFO] fetching crate SerialRust 0.1.0...
[INFO] testing SerialRust-0.1.0 against 1.83.0 for beta-1.84.0-4-retry
[INFO] extracting crate SerialRust 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate SerialRust 0.1.0 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate SerialRust 0.1.0
[INFO] finished tweaking crates.io crate SerialRust 0.1.0
[INFO] tweaked toml for crates.io crate SerialRust 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f297936cc157df03c8650203704dc8b1ca06a85ed928f7a2065940f8be1dff0e
[INFO] running `Command { std: "docker" "start" "-a" "f297936cc157df03c8650203704dc8b1ca06a85ed928f7a2065940f8be1dff0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f297936cc157df03c8650203704dc8b1ca06a85ed928f7a2065940f8be1dff0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f297936cc157df03c8650203704dc8b1ca06a85ed928f7a2065940f8be1dff0e", kill_on_drop: false }`
[INFO] [stdout] f297936cc157df03c8650203704dc8b1ca06a85ed928f7a2065940f8be1dff0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74e98ab4af1fa22b7af817ff6f165de478ef4a3883bcb71cd2d9b2e7cd248740
[INFO] running `Command { std: "docker" "start" "-a" "74e98ab4af1fa22b7af817ff6f165de478ef4a3883bcb71cd2d9b2e7cd248740", kill_on_drop: false }`
[INFO] [stderr]    Compiling SerialRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `SerialRust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `serial_rust`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "74e98ab4af1fa22b7af817ff6f165de478ef4a3883bcb71cd2d9b2e7cd248740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e98ab4af1fa22b7af817ff6f165de478ef4a3883bcb71cd2d9b2e7cd248740", kill_on_drop: false }`
[INFO] [stdout] 74e98ab4af1fa22b7af817ff6f165de478ef4a3883bcb71cd2d9b2e7cd248740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5827b9844306c37dcac3fa44b176397a0e601eb2237ed97d0ffe650720a268c0
[INFO] running `Command { std: "docker" "start" "-a" "5827b9844306c37dcac3fa44b176397a0e601eb2237ed97d0ffe650720a268c0", kill_on_drop: false }`
[INFO] [stdout] warning: crate `SerialRust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `serial_rust`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling SerialRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "5827b9844306c37dcac3fa44b176397a0e601eb2237ed97d0ffe650720a268c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5827b9844306c37dcac3fa44b176397a0e601eb2237ed97d0ffe650720a268c0", kill_on_drop: false }`
[INFO] [stdout] 5827b9844306c37dcac3fa44b176397a0e601eb2237ed97d0ffe650720a268c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11d125bbb9ecae944f4ad2e7514b461baeccf42b7a944de3374bcfdea72fba31
[INFO] running `Command { std: "docker" "start" "-a" "11d125bbb9ecae944f4ad2e7514b461baeccf42b7a944de3374bcfdea72fba31", kill_on_drop: false }`
[INFO] [stderr] warning: crate `SerialRust` should have a snake case name
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr]   = help: convert the identifier to snake case: `serial_rust`
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `SerialRust` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/SerialRust-e1b890dc1a500c19)
[INFO] [stderr]    Doc-tests SerialRust
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Bytes (line 80) ... FAILED
[INFO] [stdout] test src/lib.rs - Serialize (line 53) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Bytes (line 80) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serialize`
[INFO] [stdout]  --> src/lib.rs:81:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serialize::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `serialize`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Serialize (line 53) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `crate::serialize`
[INFO] [stdout]  --> src/lib.rs:54:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::serialize::Serialize;
[INFO] [stdout]   |            ^^^^^^^^^ could not find `serialize` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `serialize` found for struct `String` in the current scope
[INFO] [stdout]   --> src/lib.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 7  | let bytes = string.clone().serialize();
[INFO] [stdout]    |                            ^^^^^^^^^ method not found in `String`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn serialize(self) -> Bytes;
[INFO] [stdout]    |        --------- the method is available for `String` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Serialize` which provides `serialize` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 2  + use SerialRust::Serialize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `deserialize` found for struct `String` in the current scope
[INFO] [stdout]   --> src/lib.rs:60:28
[INFO] [stdout]    |
[INFO] [stdout] 9  | let found_string = String::deserialize(&bytes, 0).unwrap();
[INFO] [stdout]    |                            ^^^^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]   --> /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/string.rs:446:5
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: there is a method `serialize` with a similar name, but with different arguments
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn serialize(self) -> Bytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: trait `Serialize` which provides `deserialize` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 2  + use SerialRust::Serialize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Bytes (line 80)
[INFO] [stdout]     src/lib.rs - Serialize (line 53)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "11d125bbb9ecae944f4ad2e7514b461baeccf42b7a944de3374bcfdea72fba31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d125bbb9ecae944f4ad2e7514b461baeccf42b7a944de3374bcfdea72fba31", kill_on_drop: false }`
[INFO] [stdout] 11d125bbb9ecae944f4ad2e7514b461baeccf42b7a944de3374bcfdea72fba31
