[INFO] fetching crate alice_protocol_reader 0.12.0...
[INFO] checking alice_protocol_reader-0.12.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate alice_protocol_reader 0.12.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate alice_protocol_reader 0.12.0 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 alice_protocol_reader 0.12.0
[INFO] finished tweaking crates.io crate alice_protocol_reader 0.12.0
[INFO] tweaked toml for crates.io crate alice_protocol_reader 0.12.0 written to /workspace/builds/worker-4-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]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded temp-dir v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 99a4a42e4b5040ad7164e422f9b96ea5be1fb15ed20c365257d5f91b28f1c7a1
[INFO] running `Command { std: "docker" "start" "-a" "99a4a42e4b5040ad7164e422f9b96ea5be1fb15ed20c365257d5f91b28f1c7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99a4a42e4b5040ad7164e422f9b96ea5be1fb15ed20c365257d5f91b28f1c7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a4a42e4b5040ad7164e422f9b96ea5be1fb15ed20c365257d5f91b28f1c7a1", kill_on_drop: false }`
[INFO] [stdout] 99a4a42e4b5040ad7164e422f9b96ea5be1fb15ed20c365257d5f91b28f1c7a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 56cabc55a7583e1ce1397e609eaf1f1e43efc49da2e17b3ccae2e02dd5dca27c
[INFO] running `Command { std: "docker" "start" "-a" "56cabc55a7583e1ce1397e609eaf1f1e43efc49da2e17b3ccae2e02dd5dca27c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking temp-dir v0.1.13
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking alice_protocol_reader v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `CdpArray` is imported redundantly
[INFO] [stdout]    --> src/cdp_wrapper/cdp_array.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     use super::CdpArray;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 188 |     use super::*;
[INFO] [stdout]     |         -------- the item `CdpArray` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RDH` is imported redundantly
[INFO] [stdout]    --> src/cdp_wrapper/cdp_array.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use super::*;
[INFO] [stdout]     |         -------- the item `RDH` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 192 |     use crate::prelude::RDH;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RdhCru` is imported redundantly
[INFO] [stdout]    --> src/input_scanner.rs:358:40
[INFO] [stdout]     |
[INFO] [stdout] 358 |     use super::super::rdh::{ByteSlice, RdhCru};
[INFO] [stdout]     |                                        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     use super::*;
[INFO] [stdout]     |         -------- the item `RdhCru` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/bufreader_wrapper.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (*self).seek_relative(offset)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `BufferedReaderWrapper::seek_relative(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(seek_seek_relative)]` to the crate attributes to enable `seek_relative`
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/bufreader_wrapper.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |         (**self).seek_relative(offset)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `BufferedReaderWrapper::seek_relative(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(seek_seek_relative)]` to the crate attributes to enable `seek_relative`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/input_scanner.rs:128:14
[INFO] [stdout]     |
[INFO] [stdout] 128 |             .seek_relative(self.tracker.next(offset_to_next as u64))
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `BufferedReaderWrapper::seek_relative(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(seek_seek_relative)]` to the crate attributes to enable `seek_relative`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/bufreader_wrapper.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (*self).seek_relative(offset)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `BufferedReaderWrapper::seek_relative(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(seek_seek_relative)]` to the crate attributes to enable `seek_relative`
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/bufreader_wrapper.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |         (**self).seek_relative(offset)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `BufferedReaderWrapper::seek_relative(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(seek_seek_relative)]` to the crate attributes to enable `seek_relative`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/input_scanner.rs:128:14
[INFO] [stdout]     |
[INFO] [stdout] 128 |             .seek_relative(self.tracker.next(offset_to_next as u64))
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `BufferedReaderWrapper::seek_relative(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(seek_seek_relative)]` to the crate attributes to enable `seek_relative`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "56cabc55a7583e1ce1397e609eaf1f1e43efc49da2e17b3ccae2e02dd5dca27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56cabc55a7583e1ce1397e609eaf1f1e43efc49da2e17b3ccae2e02dd5dca27c", kill_on_drop: false }`
[INFO] [stdout] 56cabc55a7583e1ce1397e609eaf1f1e43efc49da2e17b3ccae2e02dd5dca27c
