[INFO] cloning repository darkwater/um [INFO] running `"git" "clone" "--bare" "git://github.com/darkwater/um.git" "work/cache/sources/gh/darkwater/um"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/darkwater/um'... [INFO] running `"git" "clone" "work/cache/sources/gh/darkwater/um" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/darkwater/um"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/darkwater/um'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/darkwater/um" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/darkwater/um"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/darkwater/um'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 290006bff8a85d175e37e16f89eb0fa19b9114ad [INFO] sha for GitHub repo darkwater/um: 290006bff8a85d175e37e16f89eb0fa19b9114ad [INFO] validating manifest of darkwater/um on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of darkwater/um on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing darkwater/um [INFO] finished frobbing darkwater/um [INFO] frobbed toml for darkwater/um written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/darkwater/um/Cargo.toml [INFO] started frobbing darkwater/um [INFO] finished frobbing darkwater/um [INFO] frobbed toml for darkwater/um written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/darkwater/um/Cargo.toml [INFO] crate darkwater/um already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] testing darkwater/um against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/darkwater/um:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 3085034292e6e6edcb5fcd6d7e0bf9b8032cd5ac94e1a7d3f720ea6818ddd9f2 [INFO] running `"docker" "start" "-a" "3085034292e6e6edcb5fcd6d7e0bf9b8032cd5ac94e1a7d3f720ea6818ddd9f2"` [INFO] [stderr] Compiling futures v0.1.20 [INFO] [stderr] Compiling bytes v0.4.6 [INFO] [stderr] Compiling tokio-executor v0.1.1 [INFO] [stderr] Compiling tokio-io v0.1.6 [INFO] [stderr] Compiling tokio-threadpool v0.1.1 [INFO] [stderr] Compiling tokio-reactor v0.1.1 [INFO] [stderr] Compiling tokio-udp v0.1.0 [INFO] [stderr] Compiling tokio-tcp v0.1.0 [INFO] [stderr] Compiling tokio v0.1.4 [INFO] [stderr] Compiling um v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `TcpListener` [INFO] [stderr] --> src/client.rs:7:18 [INFO] [stderr] | [INFO] [stderr] 7 | use tokio::net::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `BufMut` [INFO] [stderr] --> src/commandcodec.rs:1:13 [INFO] [stderr] | [INFO] [stderr] 1 | use bytes::{BufMut, BytesMut}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Write` [INFO] [stderr] --> src/commandcodec.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fmt::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::io` [INFO] [stderr] --> src/server.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio::io; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: ambiguous associated item [INFO] [stderr] --> src/response.rs:54:46 [INFO] [stderr] | [INFO] [stderr] 54 | fn into_result(self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^ help: use fully-qualified syntax: ` as Trait>::Error` [INFO] [stderr] | [INFO] [stderr] = note: #[deny(ambiguous_associated_items)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #57644 [INFO] [stderr] note: `Error` could refer to variant defined here [INFO] [stderr] --> src/response.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | Error(&'static str), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] note: `Error` could also refer to associated type defined here [INFO] [stderr] [INFO] [stderr] error: ambiguous associated item [INFO] [stderr] --> src/response.rs:61:22 [INFO] [stderr] | [INFO] [stderr] 61 | fn from_error(v: Self::Error) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: use fully-qualified syntax: ` as Trait>::Error` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #57644 [INFO] [stderr] note: `Error` could refer to variant defined here [INFO] [stderr] --> src/response.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | Error(&'static str), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] note: `Error` could also refer to associated type defined here [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `um`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "3085034292e6e6edcb5fcd6d7e0bf9b8032cd5ac94e1a7d3f720ea6818ddd9f2"` [INFO] running `"docker" "rm" "-f" "3085034292e6e6edcb5fcd6d7e0bf9b8032cd5ac94e1a7d3f720ea6818ddd9f2"` [INFO] [stdout] 3085034292e6e6edcb5fcd6d7e0bf9b8032cd5ac94e1a7d3f720ea6818ddd9f2