[INFO] cloning repository https://github.com/a5ob7r/toyterm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a5ob7r/toyterm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa5ob7r%2Ftoyterm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa5ob7r%2Ftoyterm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6b3f0d3c20c654cb3dc33f66ed2fa476c3886006 [INFO] building a5ob7r/toyterm 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%2Fa5ob7r%2Ftoyterm" "/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/a5ob7r/toyterm 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/a5ob7r/toyterm [INFO] finished tweaking git repo https://github.com/a5ob7r/toyterm [INFO] tweaked toml for git repo https://github.com/a5ob7r/toyterm written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/a5ob7r/toyterm 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] Downloading crates ... [INFO] [stderr] Downloaded x11 v2.19.1 [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] de044404b8a2a416d9df4e3b1c950886ab1ee47c59099e2b1b6881558db86c20 [INFO] running `Command { std: "docker" "start" "-a" "de044404b8a2a416d9df4e3b1c950886ab1ee47c59099e2b1b6881558db86c20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de044404b8a2a416d9df4e3b1c950886ab1ee47c59099e2b1b6881558db86c20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de044404b8a2a416d9df4e3b1c950886ab1ee47c59099e2b1b6881558db86c20", kill_on_drop: false }` [INFO] [stdout] de044404b8a2a416d9df4e3b1c950886ab1ee47c59099e2b1b6881558db86c20 [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] 4369048f1d9b0593b1c1fe092712bdd36302b690260d464aee56c739c18b5c5d [INFO] running `Command { std: "docker" "start" "-a" "4369048f1d9b0593b1c1fe092712bdd36302b690260d464aee56c739c18b5c5d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling x11 v2.19.1 [INFO] [stderr] Compiling nix v0.23.1 [INFO] [stderr] Compiling toyterm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `screen`, `root`, and `cmap` are never read [INFO] [stdout] --> src/main.rs:199:5 [INFO] [stdout] | [INFO] [stdout] 197 | struct X11 { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 198 | display: *mut xlib::Display, [INFO] [stdout] 199 | screen: raw::c_int, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 200 | root: raw::c_ulong, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 207 | cmap: raw::c_ulong, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `X11` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `XColor` does not permit being left uninitialized [INFO] [stdout] --> src/main.rs:240:34 [INFO] [stdout] | [INFO] [stdout] 240 | let mut color = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `XSetWindowAttributes` does not permit being left uninitialized [INFO] [stdout] --> src/main.rs:269:22 [INFO] [stdout] | [INFO] [stdout] 269 | unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.77s [INFO] running `Command { std: "docker" "inspect" "4369048f1d9b0593b1c1fe092712bdd36302b690260d464aee56c739c18b5c5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4369048f1d9b0593b1c1fe092712bdd36302b690260d464aee56c739c18b5c5d", kill_on_drop: false }` [INFO] [stdout] 4369048f1d9b0593b1c1fe092712bdd36302b690260d464aee56c739c18b5c5d [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] 2907ce6f9bb2b9515e5dcc943bbfeda219d64eb20efeceda06a47da23bf583f1 [INFO] running `Command { std: "docker" "start" "-a" "2907ce6f9bb2b9515e5dcc943bbfeda219d64eb20efeceda06a47da23bf583f1", kill_on_drop: false }` [INFO] [stderr] Compiling toyterm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `screen`, `root`, and `cmap` are never read [INFO] [stdout] --> src/main.rs:199:5 [INFO] [stdout] | [INFO] [stdout] 197 | struct X11 { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 198 | display: *mut xlib::Display, [INFO] [stdout] 199 | screen: raw::c_int, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 200 | root: raw::c_ulong, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 207 | cmap: raw::c_ulong, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `X11` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `XColor` does not permit being left uninitialized [INFO] [stdout] --> src/main.rs:240:34 [INFO] [stdout] | [INFO] [stdout] 240 | let mut color = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `XSetWindowAttributes` does not permit being left uninitialized [INFO] [stdout] --> src/main.rs:269:22 [INFO] [stdout] | [INFO] [stdout] 269 | unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "2907ce6f9bb2b9515e5dcc943bbfeda219d64eb20efeceda06a47da23bf583f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2907ce6f9bb2b9515e5dcc943bbfeda219d64eb20efeceda06a47da23bf583f1", kill_on_drop: false }` [INFO] [stdout] 2907ce6f9bb2b9515e5dcc943bbfeda219d64eb20efeceda06a47da23bf583f1