[INFO] fetching crate cold-io 0.2.0... [INFO] testing cold-io-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate cold-io 0.2.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate cold-io 0.2.0 [INFO] finished tweaking crates.io crate cold-io 0.2.0 [INFO] tweaked toml for crates.io crate cold-io 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate cold-io 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate cold-io 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cc v1.0.69 [INFO] [stderr] Downloaded env_logger v0.9.0 [INFO] [stderr] Downloaded memoffset v0.6.4 [INFO] [stderr] Downloaded ctrlc v3.2.0 [INFO] [stderr] Downloaded mio v0.7.13 [INFO] [stderr] Downloaded aho-corasick v0.7.18 [INFO] [stderr] Downloaded nix v0.22.1 [INFO] [stderr] Downloaded regex v1.5.4 [INFO] [stderr] Downloaded libc v0.2.100 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e8f7a6472953f67b0c13c2d626a8d63b9894722cd8587c89261fdfe62b473ee2 [INFO] running `Command { std: "docker" "start" "-a" "e8f7a6472953f67b0c13c2d626a8d63b9894722cd8587c89261fdfe62b473ee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8f7a6472953f67b0c13c2d626a8d63b9894722cd8587c89261fdfe62b473ee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8f7a6472953f67b0c13c2d626a8d63b9894722cd8587c89261fdfe62b473ee2", kill_on_drop: false }` [INFO] [stdout] e8f7a6472953f67b0c13c2d626a8d63b9894722cd8587c89261fdfe62b473ee2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4616bd3d2a2c302b79f74d5c97c46295cfcdfe5163d85077de2535cdc9b2e41d [INFO] running `Command { std: "docker" "start" "-a" "4616bd3d2a2c302b79f74d5c97c46295cfcdfe5163d85077de2535cdc9b2e41d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling cold-io v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/managed_stream.rs:64:23 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn borrow_mut(&self) -> RefMut<'_, MarkedStream> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.27s [INFO] running `Command { std: "docker" "inspect" "4616bd3d2a2c302b79f74d5c97c46295cfcdfe5163d85077de2535cdc9b2e41d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4616bd3d2a2c302b79f74d5c97c46295cfcdfe5163d85077de2535cdc9b2e41d", kill_on_drop: false }` [INFO] [stdout] 4616bd3d2a2c302b79f74d5c97c46295cfcdfe5163d85077de2535cdc9b2e41d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 355d9fbbe2253d5b79364512585b8a6f9a6503c32e70b655c17c6880bbc5e3a4 [INFO] running `Command { std: "docker" "start" "-a" "355d9fbbe2253d5b79364512585b8a6f9a6503c32e70b655c17c6880bbc5e3a4", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/managed_stream.rs:64:23 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn borrow_mut(&self) -> RefMut<'_, MarkedStream> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nix v0.22.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling ctrlc v3.2.0 [INFO] [stderr] Compiling cold-io v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/managed_stream.rs:64:23 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn borrow_mut(&self) -> RefMut<'_, MarkedStream> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 15.22s [INFO] running `Command { std: "docker" "inspect" "355d9fbbe2253d5b79364512585b8a6f9a6503c32e70b655c17c6880bbc5e3a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "355d9fbbe2253d5b79364512585b8a6f9a6503c32e70b655c17c6880bbc5e3a4", kill_on_drop: false }` [INFO] [stdout] 355d9fbbe2253d5b79364512585b8a6f9a6503c32e70b655c17c6880bbc5e3a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 91421efba33e64cc90bd06de263f5dcebfae9c0eb526f38e715dffb208ecefc8 [INFO] running `Command { std: "docker" "start" "-a" "91421efba33e64cc90bd06de263f5dcebfae9c0eb526f38e715dffb208ecefc8", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/managed_stream.rs:64:23 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 64 | pub fn borrow_mut(&self) -> RefMut<'_, MarkedStream> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `cold-io` (lib) generated 1 warning (run `cargo fix --lib -p cold-io` to apply 1 suggestion) [INFO] [stderr] warning: `cold-io` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cold_io-f8f59fb74a6dca37) [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] Doc-tests cold_io [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] running `Command { std: "docker" "inspect" "91421efba33e64cc90bd06de263f5dcebfae9c0eb526f38e715dffb208ecefc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91421efba33e64cc90bd06de263f5dcebfae9c0eb526f38e715dffb208ecefc8", kill_on_drop: false }` [INFO] [stdout] 91421efba33e64cc90bd06de263f5dcebfae9c0eb526f38e715dffb208ecefc8