[INFO] fetching crate alice_protocol_reader 0.12.0...
[INFO] checking alice_protocol_reader-0.12.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[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 c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_assertions v1.4.0
[INFO] [stderr]   Downloaded temp-dir v0.1.13
[INFO] [stderr]   Downloaded nanorand v0.7.0
[INFO] [stderr]   Downloaded diff v0.1.13
[INFO] [stderr]   Downloaded yansi v0.5.1
[INFO] [stderr]   Downloaded spin v0.9.8
[INFO] [stderr]   Downloaded flume v0.11.0
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecd00a67d2dec759dc6f5f7364f2a91da1b5ddcb182535b68b3d53b4d62d6b61
[INFO] running `Command { std: "docker" "start" "-a" "ecd00a67d2dec759dc6f5f7364f2a91da1b5ddcb182535b68b3d53b4d62d6b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecd00a67d2dec759dc6f5f7364f2a91da1b5ddcb182535b68b3d53b4d62d6b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd00a67d2dec759dc6f5f7364f2a91da1b5ddcb182535b68b3d53b4d62d6b61", kill_on_drop: false }`
[INFO] [stdout] ecd00a67d2dec759dc6f5f7364f2a91da1b5ddcb182535b68b3d53b4d62d6b61
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c32e3076bdfd4da848aa4694ebaa09d067c54a5096beacc3ec2a238da28b542d
[INFO] running `Command { std: "docker" "start" "-a" "c32e3076bdfd4da848aa4694ebaa09d067c54a5096beacc3ec2a238da28b542d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking temp-dir v0.1.13
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking getrandom v0.2.14
[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: 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]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(seek_seek_relative)]` to the crate attributes to enable `seek_relative`
[INFO] [stdout]   --> src/lib.rs:109:1
[INFO] [stdout]    |
[INFO] [stdout] 109+ #![feature(seek_seek_relative)]
[INFO] [stdout]    |
[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]   --> src/lib.rs:109:1
[INFO] [stdout]    |
[INFO] [stdout] 109+ #![feature(seek_seek_relative)]
[INFO] [stdout]    |
[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]    --> src/lib.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 + #![feature(seek_seek_relative)]
[INFO] [stdout]     |
[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]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(seek_seek_relative)]` to the crate attributes to enable `seek_relative`
[INFO] [stdout]   --> src/lib.rs:109:1
[INFO] [stdout]    |
[INFO] [stdout] 109+ #![feature(seek_seek_relative)]
[INFO] [stdout]    |
[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]   --> src/lib.rs:109:1
[INFO] [stdout]    |
[INFO] [stdout] 109+ #![feature(seek_seek_relative)]
[INFO] [stdout]    |
[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]    --> src/lib.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 + #![feature(seek_seek_relative)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "c32e3076bdfd4da848aa4694ebaa09d067c54a5096beacc3ec2a238da28b542d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32e3076bdfd4da848aa4694ebaa09d067c54a5096beacc3ec2a238da28b542d", kill_on_drop: false }`
[INFO] [stdout] c32e3076bdfd4da848aa4694ebaa09d067c54a5096beacc3ec2a238da28b542d
[INFO] checking alice_protocol_reader-0.12.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate alice_protocol_reader 0.12.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate alice_protocol_reader 0.12.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dabd6a41d226c903f2ae09c2a0774aba88d3cf4ad410aa055c168b2b360c30a3
[INFO] running `Command { std: "docker" "start" "-a" "dabd6a41d226c903f2ae09c2a0774aba88d3cf4ad410aa055c168b2b360c30a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dabd6a41d226c903f2ae09c2a0774aba88d3cf4ad410aa055c168b2b360c30a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dabd6a41d226c903f2ae09c2a0774aba88d3cf4ad410aa055c168b2b360c30a3", kill_on_drop: false }`
[INFO] [stdout] dabd6a41d226c903f2ae09c2a0774aba88d3cf4ad410aa055c168b2b360c30a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 281375b1492ecfd576731d1f8b681e18ea7536a1490daa1284df9b2f59a6add2
[INFO] running `Command { std: "docker" "start" "-a" "281375b1492ecfd576731d1f8b681e18ea7536a1490daa1284df9b2f59a6add2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking temp-dir v0.1.13
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking getrandom v0.2.14
[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: 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]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(seek_seek_relative)]` to the crate attributes to enable `seek_relative`
[INFO] [stdout]   --> src/lib.rs:109:1
[INFO] [stdout]    |
[INFO] [stdout] 109+ #![feature(seek_seek_relative)]
[INFO] [stdout]    |
[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]   --> src/lib.rs:109:1
[INFO] [stdout]    |
[INFO] [stdout] 109+ #![feature(seek_seek_relative)]
[INFO] [stdout]    |
[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]    --> src/lib.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 + #![feature(seek_seek_relative)]
[INFO] [stdout]     |
[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]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(seek_seek_relative)]` to the crate attributes to enable `seek_relative`
[INFO] [stdout]   --> src/lib.rs:109:1
[INFO] [stdout]    |
[INFO] [stdout] 109+ #![feature(seek_seek_relative)]
[INFO] [stdout]    |
[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]   --> src/lib.rs:109:1
[INFO] [stdout]    |
[INFO] [stdout] 109+ #![feature(seek_seek_relative)]
[INFO] [stdout]    |
[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]    --> src/lib.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 + #![feature(seek_seek_relative)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "281375b1492ecfd576731d1f8b681e18ea7536a1490daa1284df9b2f59a6add2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281375b1492ecfd576731d1f8b681e18ea7536a1490daa1284df9b2f59a6add2", kill_on_drop: false }`
[INFO] [stdout] 281375b1492ecfd576731d1f8b681e18ea7536a1490daa1284df9b2f59a6add2
