[INFO] fetching crate fs-lock 0.1.7... [INFO] building fs-lock-0.1.7 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate fs-lock 0.1.7 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate fs-lock 0.1.7 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fs-lock 0.1.7 [INFO] finished tweaking crates.io crate fs-lock 0.1.7 [INFO] tweaked toml for crates.io crate fs-lock 0.1.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fs4 v0.12.0 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c3df609a2d95201eb37bc3b7d672129457f3810f66d8ed4799f42a827e0cbc8c [INFO] running `Command { std: "docker" "start" "-a" "c3df609a2d95201eb37bc3b7d672129457f3810f66d8ed4799f42a827e0cbc8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c3df609a2d95201eb37bc3b7d672129457f3810f66d8ed4799f42a827e0cbc8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3df609a2d95201eb37bc3b7d672129457f3810f66d8ed4799f42a827e0cbc8c", kill_on_drop: false }` [INFO] [stdout] c3df609a2d95201eb37bc3b7d672129457f3810f66d8ed4799f42a827e0cbc8c [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b8eda2a6dab8072a27d4c0835efe5e14ab35a285a82d13cc94ce7b83ce96e1c [INFO] running `Command { std: "docker" "start" "-a" "5b8eda2a6dab8072a27d4c0835efe5e14ab35a285a82d13cc94ce7b83ce96e1c", kill_on_drop: false }` [INFO] [stderr] Compiling fs4 v0.12.0 [INFO] [stderr] Compiling fs-lock v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:48:14 [INFO] [stdout] | [INFO] [stdout] 48 | file.lock_shared()?; [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 [INFO] [stdout] = help: call with fully qualified syntax `lock_shared(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::lock_shared` [INFO] [stdout] | [INFO] [stdout] 5 + #![feature(file_lock)] [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/lib.rs:61:20 [INFO] [stdout] | [INFO] [stdout] 61 | match file.try_lock_shared() { [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 [INFO] [stdout] = help: call with fully qualified syntax `try_lock_shared(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::try_lock_shared` [INFO] [stdout] | [INFO] [stdout] 5 + #![feature(file_lock)] [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/lib.rs:73:22 [INFO] [stdout] | [INFO] [stdout] 73 | let _ = self.unlock(); [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 [INFO] [stdout] = help: call with fully qualified syntax `unlock(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock` [INFO] [stdout] | [INFO] [stdout] 5 + #![feature(file_lock)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "5b8eda2a6dab8072a27d4c0835efe5e14ab35a285a82d13cc94ce7b83ce96e1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b8eda2a6dab8072a27d4c0835efe5e14ab35a285a82d13cc94ce7b83ce96e1c", kill_on_drop: false }` [INFO] [stdout] 5b8eda2a6dab8072a27d4c0835efe5e14ab35a285a82d13cc94ce7b83ce96e1c [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad11b5132ac316ed6e846229bdb4172e92a1ecc4f2a8da425c454d3b543130f8 [INFO] running `Command { std: "docker" "start" "-a" "ad11b5132ac316ed6e846229bdb4172e92a1ecc4f2a8da425c454d3b543130f8", 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/lib.rs:48:14 [INFO] [stdout] | [INFO] [stdout] 48 | file.lock_shared()?; [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 [INFO] [stdout] = help: call with fully qualified syntax `lock_shared(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::lock_shared` [INFO] [stdout] | [INFO] [stdout] 5 + #![feature(file_lock)] [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/lib.rs:61:20 [INFO] [stdout] | [INFO] [stdout] 61 | match file.try_lock_shared() { [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 [INFO] [stdout] = help: call with fully qualified syntax `try_lock_shared(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::try_lock_shared` [INFO] [stdout] | [INFO] [stdout] 5 + #![feature(file_lock)] [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/lib.rs:73:22 [INFO] [stdout] | [INFO] [stdout] 73 | let _ = self.unlock(); [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 [INFO] [stdout] = help: call with fully qualified syntax `unlock(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock` [INFO] [stdout] | [INFO] [stdout] 5 + #![feature(file_lock)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling fs-lock v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:48:14 [INFO] [stdout] | [INFO] [stdout] 48 | file.lock_shared()?; [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 [INFO] [stdout] = help: call with fully qualified syntax `lock_shared(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::lock_shared` [INFO] [stdout] | [INFO] [stdout] 5 + #![feature(file_lock)] [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/lib.rs:61:20 [INFO] [stdout] | [INFO] [stdout] 61 | match file.try_lock_shared() { [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 [INFO] [stdout] = help: call with fully qualified syntax `try_lock_shared(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::try_lock_shared` [INFO] [stdout] | [INFO] [stdout] 5 + #![feature(file_lock)] [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/lib.rs:73:22 [INFO] [stdout] | [INFO] [stdout] 73 | let _ = self.unlock(); [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 [INFO] [stdout] = help: call with fully qualified syntax `unlock(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock` [INFO] [stdout] | [INFO] [stdout] 5 + #![feature(file_lock)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "ad11b5132ac316ed6e846229bdb4172e92a1ecc4f2a8da425c454d3b543130f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad11b5132ac316ed6e846229bdb4172e92a1ecc4f2a8da425c454d3b543130f8", kill_on_drop: false }` [INFO] [stdout] ad11b5132ac316ed6e846229bdb4172e92a1ecc4f2a8da425c454d3b543130f8