[INFO] cloning repository https://github.com/Dvlv/atomic-update [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dvlv/atomic-update" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDvlv%2Fatomic-update", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDvlv%2Fatomic-update'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17001fda4263cd7e477b0e14e68705d594f1ff40 [INFO] building Dvlv/atomic-update against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDvlv%2Fatomic-update" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Dvlv/atomic-update 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 git repo https://github.com/Dvlv/atomic-update [INFO] finished tweaking git repo https://github.com/Dvlv/atomic-update [INFO] tweaked toml for git repo https://github.com/Dvlv/atomic-update written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Dvlv/atomic-update 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be299046a5254dc643b342f91284e599259841d7e6e77e040289f14442cb68ff [INFO] running `Command { std: "docker" "start" "-a" "be299046a5254dc643b342f91284e599259841d7e6e77e040289f14442cb68ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be299046a5254dc643b342f91284e599259841d7e6e77e040289f14442cb68ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be299046a5254dc643b342f91284e599259841d7e6e77e040289f14442cb68ff", kill_on_drop: false }` [INFO] [stdout] be299046a5254dc643b342f91284e599259841d7e6e77e040289f14442cb68ff [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 -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] 39fcadcaf516cc1c7e919be68e90f73dcbfbc81cbf9553a2ad5190245cb215ea [INFO] running `Command { std: "docker" "start" "-a" "39fcadcaf516cc1c7e919be68e90f73dcbfbc81cbf9553a2ad5190245cb215ea", kill_on_drop: false }` [INFO] [stderr] Compiling atomic-update v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/btrfs_handler.rs:102:16 [INFO] [stdout] | [INFO] [stdout] 102 | if let Err(e) = was_mounted { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/btrfs_handler.rs:109:16 [INFO] [stdout] | [INFO] [stdout] 109 | if let Err(e) = was_mounted { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/btrfs_handler.rs:116:16 [INFO] [stdout] | [INFO] [stdout] 116 | if let Err(e) = was_mounted { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/btrfs_handler.rs:149:16 [INFO] [stdout] | [INFO] [stdout] 149 | if let Err(e) = was_mounted { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `root_partition` and `root_subvolume` are never read [INFO] [stdout] --> src/config_handler.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct ConfigOpts { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | pub(crate) root_partition: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 15 | pub(crate) root_subvolume: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_command_and_stream_out` is never used [INFO] [stdout] --> src/utils.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn run_command_and_stream_out( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btrfs_handler.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 78 | run_command_and_stream_err(String::from("rm"), vec![resolv_loc.as_str()].as_slice()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | let _ = run_command_and_stream_err(String::from("rm"), vec![resolv_loc.as_str()].as_slice()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btrfs_handler.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | / run_command_and_stream_err( [INFO] [stdout] 80 | | String::from("cp"), [INFO] [stdout] 81 | | vec!["/etc/resolv.conf", resolv_loc.as_str()].as_slice(), [INFO] [stdout] 82 | | ); [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 79 | let _ = run_command_and_stream_err( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btrfs_handler.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 121 | run_command_and_stream_err(String::from("chroot"), chroot_plus_command.as_slice()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 121 | let _ = run_command_and_stream_err(String::from("chroot"), chroot_plus_command.as_slice()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "39fcadcaf516cc1c7e919be68e90f73dcbfbc81cbf9553a2ad5190245cb215ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39fcadcaf516cc1c7e919be68e90f73dcbfbc81cbf9553a2ad5190245cb215ea", kill_on_drop: false }` [INFO] [stdout] 39fcadcaf516cc1c7e919be68e90f73dcbfbc81cbf9553a2ad5190245cb215ea [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 -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] e696144b2d6fb064e4f99a7dac00d85e22ed78fecc7eba91b81fe43a9ede39b0 [INFO] running `Command { std: "docker" "start" "-a" "e696144b2d6fb064e4f99a7dac00d85e22ed78fecc7eba91b81fe43a9ede39b0", kill_on_drop: false }` [INFO] [stderr] Compiling atomic-update v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/btrfs_handler.rs:102:16 [INFO] [stdout] | [INFO] [stdout] 102 | if let Err(e) = was_mounted { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/btrfs_handler.rs:109:16 [INFO] [stdout] | [INFO] [stdout] 109 | if let Err(e) = was_mounted { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/btrfs_handler.rs:116:16 [INFO] [stdout] | [INFO] [stdout] 116 | if let Err(e) = was_mounted { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/btrfs_handler.rs:149:16 [INFO] [stdout] | [INFO] [stdout] 149 | if let Err(e) = was_mounted { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `root_partition` and `root_subvolume` are never read [INFO] [stdout] --> src/config_handler.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct ConfigOpts { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | pub(crate) root_partition: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 15 | pub(crate) root_subvolume: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_command_and_stream_out` is never used [INFO] [stdout] --> src/utils.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn run_command_and_stream_out( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btrfs_handler.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 78 | run_command_and_stream_err(String::from("rm"), vec![resolv_loc.as_str()].as_slice()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | let _ = run_command_and_stream_err(String::from("rm"), vec![resolv_loc.as_str()].as_slice()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btrfs_handler.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | / run_command_and_stream_err( [INFO] [stdout] 80 | | String::from("cp"), [INFO] [stdout] 81 | | vec!["/etc/resolv.conf", resolv_loc.as_str()].as_slice(), [INFO] [stdout] 82 | | ); [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 79 | let _ = run_command_and_stream_err( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/btrfs_handler.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 121 | run_command_and_stream_err(String::from("chroot"), chroot_plus_command.as_slice()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 121 | let _ = run_command_and_stream_err(String::from("chroot"), chroot_plus_command.as_slice()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "e696144b2d6fb064e4f99a7dac00d85e22ed78fecc7eba91b81fe43a9ede39b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e696144b2d6fb064e4f99a7dac00d85e22ed78fecc7eba91b81fe43a9ede39b0", kill_on_drop: false }` [INFO] [stdout] e696144b2d6fb064e4f99a7dac00d85e22ed78fecc7eba91b81fe43a9ede39b0