[INFO] fetching crate eio 0.1.2... [INFO] testing eio-0.1.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate eio 0.1.2 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate eio 0.1.2 [INFO] finished tweaking crates.io crate eio 0.1.2 [INFO] tweaked toml for crates.io crate eio 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate eio 0.1.2 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac3aa756209fd9676537fc6e45a51243f0156a4928ef7ad9a8cba75e158eabb8 [INFO] running `Command { std: "docker" "start" "-a" "ac3aa756209fd9676537fc6e45a51243f0156a4928ef7ad9a8cba75e158eabb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac3aa756209fd9676537fc6e45a51243f0156a4928ef7ad9a8cba75e158eabb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac3aa756209fd9676537fc6e45a51243f0156a4928ef7ad9a8cba75e158eabb8", kill_on_drop: false }` [INFO] [stdout] ac3aa756209fd9676537fc6e45a51243f0156a4928ef7ad9a8cba75e158eabb8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 778eac8bc42890a431de26df2f24940d541998fcc11f99662fed03697daefc78 [INFO] running `Command { std: "docker" "start" "-a" "778eac8bc42890a431de26df2f24940d541998fcc11f99662fed03697daefc78", kill_on_drop: false }` [INFO] [stderr] Compiling eio v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/read.rs:41:14 [INFO] [stdout] | [INFO] [stdout] 41 | self.read_array().map(T::from_be_bytes) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: call with fully qualified syntax `ReadExt::read_array(...)` to keep using the current method [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 [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] help: add `#![feature(read_array)]` to the crate attributes to enable `read_array` [INFO] [stdout] --> src/lib.rs:34:1 [INFO] [stdout] | [INFO] [stdout] 34 + #![feature(read_array)] [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/read.rs:56:14 [INFO] [stdout] | [INFO] [stdout] 56 | self.read_array().map(T::from_le_bytes) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: call with fully qualified syntax `ReadExt::read_array(...)` to keep using the current method [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 [INFO] [stdout] help: add `#![feature(read_array)]` to the crate attributes to enable `read_array` [INFO] [stdout] --> src/lib.rs:34:1 [INFO] [stdout] | [INFO] [stdout] 34 + #![feature(read_array)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "778eac8bc42890a431de26df2f24940d541998fcc11f99662fed03697daefc78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "778eac8bc42890a431de26df2f24940d541998fcc11f99662fed03697daefc78", kill_on_drop: false }` [INFO] [stdout] 778eac8bc42890a431de26df2f24940d541998fcc11f99662fed03697daefc78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 150da637dcb7f03d2673520388bcfa058382250f85aba47a7bf3d2e2ccef1dba [INFO] running `Command { std: "docker" "start" "-a" "150da637dcb7f03d2673520388bcfa058382250f85aba47a7bf3d2e2ccef1dba", kill_on_drop: false }` [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/read.rs:41:14 [INFO] [stdout] | [INFO] [stdout] 41 | self.read_array().map(T::from_be_bytes) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: call with fully qualified syntax `ReadExt::read_array(...)` to keep using the current method [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 [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] help: add `#![feature(read_array)]` to the crate attributes to enable `read_array` [INFO] [stdout] --> src/lib.rs:34:1 [INFO] [stdout] | [INFO] [stdout] 34 + #![feature(read_array)] [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/read.rs:56:14 [INFO] [stdout] | [INFO] [stdout] 56 | self.read_array().map(T::from_le_bytes) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: call with fully qualified syntax `ReadExt::read_array(...)` to keep using the current method [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 [INFO] [stdout] help: add `#![feature(read_array)]` to the crate attributes to enable `read_array` [INFO] [stdout] --> src/lib.rs:34:1 [INFO] [stdout] | [INFO] [stdout] 34 + #![feature(read_array)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling eio v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/read.rs:41:14 [INFO] [stdout] | [INFO] [stdout] 41 | self.read_array().map(T::from_be_bytes) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: call with fully qualified syntax `ReadExt::read_array(...)` to keep using the current method [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 [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] help: add `#![feature(read_array)]` to the crate attributes to enable `read_array` [INFO] [stdout] --> src/lib.rs:34:1 [INFO] [stdout] | [INFO] [stdout] 34 + #![feature(read_array)] [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/read.rs:56:14 [INFO] [stdout] | [INFO] [stdout] 56 | self.read_array().map(T::from_le_bytes) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: call with fully qualified syntax `ReadExt::read_array(...)` to keep using the current method [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 [INFO] [stdout] help: add `#![feature(read_array)]` to the crate attributes to enable `read_array` [INFO] [stdout] --> src/lib.rs:34:1 [INFO] [stdout] | [INFO] [stdout] 34 + #![feature(read_array)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "150da637dcb7f03d2673520388bcfa058382250f85aba47a7bf3d2e2ccef1dba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "150da637dcb7f03d2673520388bcfa058382250f85aba47a7bf3d2e2ccef1dba", kill_on_drop: false }` [INFO] [stdout] 150da637dcb7f03d2673520388bcfa058382250f85aba47a7bf3d2e2ccef1dba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 06f09c3bc2c95bacbf7b55df8780bc155832bc997e72af1335d3e8fbd2af382e [INFO] running `Command { std: "docker" "start" "-a" "06f09c3bc2c95bacbf7b55df8780bc155832bc997e72af1335d3e8fbd2af382e", kill_on_drop: false }` [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/read.rs:41:14 [INFO] [stderr] | [INFO] [stderr] 41 | self.read_array().map(T::from_be_bytes) [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: call with fully qualified syntax `ReadExt::read_array(...)` to keep using the current method [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stderr] help: add `#![feature(read_array)]` to the crate attributes to enable `read_array` [INFO] [stderr] --> src/lib.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 + #![feature(read_array)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/read.rs:56:14 [INFO] [stderr] | [INFO] [stderr] 56 | self.read_array().map(T::from_le_bytes) [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: call with fully qualified syntax `ReadExt::read_array(...)` to keep using the current method [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] help: add `#![feature(read_array)]` to the crate attributes to enable `read_array` [INFO] [stderr] --> src/lib.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 + #![feature(read_array)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `eio` (lib) generated 2 warnings [INFO] [stderr] warning: `eio` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/eio-a84662f8313420dd) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-62c264850297de00) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test floats ... ok [INFO] [stdout] test integers ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/support.rs (/opt/rustwide/target/debug/deps/support-24a45bfb22b0aeb8) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests eio [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/read.rs - read::ReadExt::read_be (line 33) ... ok [INFO] [stdout] test src/read.rs - read::ReadExt::read_array (line 16) ... ok [INFO] [stdout] test src/lib.rs - (line 5) ... ok [INFO] [stdout] test src/write.rs - write::WriteExt::write_be (line 36) ... ok [INFO] [stdout] test src/write.rs - write::WriteExt::write_array (line 21) ... ok [INFO] [stdout] test src/write.rs - write::WriteExt::write_le (line 51) ... ok [INFO] [stdout] test src/read.rs - read::ReadExt::read_le (line 48) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "06f09c3bc2c95bacbf7b55df8780bc155832bc997e72af1335d3e8fbd2af382e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06f09c3bc2c95bacbf7b55df8780bc155832bc997e72af1335d3e8fbd2af382e", kill_on_drop: false }` [INFO] [stdout] 06f09c3bc2c95bacbf7b55df8780bc155832bc997e72af1335d3e8fbd2af382e