[INFO] fetching crate informalsystems-prost 0.8.1...
[INFO] checking informalsystems-prost-0.8.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate informalsystems-prost 0.8.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate informalsystems-prost 0.8.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate informalsystems-prost 0.8.1
[INFO] finished tweaking crates.io crate informalsystems-prost 0.8.1
[INFO] tweaked toml for crates.io crate informalsystems-prost 0.8.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded informalsystems-prost-derive v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 621b80ff5d94bd728cb625d7064c7e81913676efcae0fc97727d5139437ed32b
[INFO] running `Command { std: "docker" "start" "-a" "621b80ff5d94bd728cb625d7064c7e81913676efcae0fc97727d5139437ed32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "621b80ff5d94bd728cb625d7064c7e81913676efcae0fc97727d5139437ed32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "621b80ff5d94bd728cb625d7064c7e81913676efcae0fc97727d5139437ed32b", kill_on_drop: false }`
[INFO] [stdout] 621b80ff5d94bd728cb625d7064c7e81913676efcae0fc97727d5139437ed32b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9d8a57982cb1abd668eaeb6c2076db296e4ad7d6fbccb655c9e4d3b76ac5739
[INFO] running `Command { std: "docker" "start" "-a" "b9d8a57982cb1abd668eaeb6c2076db296e4ad7d6fbccb655c9e4d3b76ac5739", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling informalsystems-prost-derive v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking informalsystems-prost v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> src/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> src/message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/types.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use alloc::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `prost`
[INFO] [stdout]  --> benches/varint.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use prost::encoding::{decode_varint, encode_varint, encoded_len_varint};
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `prost`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `informalsystems-prost` (bench "varint") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> src/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> src/message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/types.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use alloc::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]     --> src/encoding.rs:1408:9
[INFO] [stdout]      |
[INFO] [stdout] 1408 |     use alloc::string::ToString;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]      |
[INFO] [stdout]      = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Bytes` is imported redundantly
[INFO] [stdout]     --> src/encoding.rs:1413:19
[INFO] [stdout]      |
[INFO] [stdout] 1413 |     use ::bytes::{Bytes, BytesMut};
[INFO] [stdout]      |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1416 |     use crate::encoding::*;
[INFO] [stdout]      |         ------------------ the item `Bytes` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/encoding.rs:1604:61
[INFO] [stdout]      |
[INFO] [stdout] 1604 |             let roundtrip_value = decode_varint(&mut encoded.clone()).expect("decoding failed");
[INFO] [stdout]      |                                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]      = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9d8a57982cb1abd668eaeb6c2076db296e4ad7d6fbccb655c9e4d3b76ac5739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d8a57982cb1abd668eaeb6c2076db296e4ad7d6fbccb655c9e4d3b76ac5739", kill_on_drop: false }`
[INFO] [stdout] b9d8a57982cb1abd668eaeb6c2076db296e4ad7d6fbccb655c9e4d3b76ac5739
