[INFO] cloning repository https://github.com/chirsz-ever/rust-stackful-coroutine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chirsz-ever/rust-stackful-coroutine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirsz-ever%2Frust-stackful-coroutine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirsz-ever%2Frust-stackful-coroutine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b74d175916ac830394d5c568dd5f7c78dd0ba800 [INFO] building chirsz-ever/rust-stackful-coroutine 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%2Fchirsz-ever%2Frust-stackful-coroutine" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chirsz-ever/rust-stackful-coroutine 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/chirsz-ever/rust-stackful-coroutine [INFO] finished tweaking git repo https://github.com/chirsz-ever/rust-stackful-coroutine [INFO] tweaked toml for git repo https://github.com/chirsz-ever/rust-stackful-coroutine written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/chirsz-ever/rust-stackful-coroutine 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8e150233e95b021874802635ef8c790a763e4fb060951561e0aed70fc90aedb6 [INFO] running `Command { std: "docker" "start" "-a" "8e150233e95b021874802635ef8c790a763e4fb060951561e0aed70fc90aedb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e150233e95b021874802635ef8c790a763e4fb060951561e0aed70fc90aedb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e150233e95b021874802635ef8c790a763e4fb060951561e0aed70fc90aedb6", kill_on_drop: false }` [INFO] [stdout] 8e150233e95b021874802635ef8c790a763e4fb060951561e0aed70fc90aedb6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0505713b557b4fff78858c8fd01cd48db032b92b4956e9c008f8e91b8f21a8e5 [INFO] running `Command { std: "docker" "start" "-a" "0505713b557b4fff78858c8fd01cd48db032b92b4956e9c008f8e91b8f21a8e5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling stackful-coroutine-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/coroutine/platform/sysv64.rs:70:18 [INFO] [stdout] | [INFO] [stdout] 70 | swap_context(&mut MAIN_CTX, CURRENT_CORO_CTX, val) [INFO] [stdout] | ^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 70 | swap_context(&raw mut MAIN_CTX, CURRENT_CORO_CTX, val) [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/coroutine/platform/sysv64.rs:74:36 [INFO] [stdout] | [INFO] [stdout] 74 | swap_context(CURRENT_CORO_CTX, &mut MAIN_CTX, ret) [INFO] [stdout] | ^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 74 | swap_context(CURRENT_CORO_CTX, &raw mut MAIN_CTX, ret) [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.41s [INFO] running `Command { std: "docker" "inspect" "0505713b557b4fff78858c8fd01cd48db032b92b4956e9c008f8e91b8f21a8e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0505713b557b4fff78858c8fd01cd48db032b92b4956e9c008f8e91b8f21a8e5", kill_on_drop: false }` [INFO] [stdout] 0505713b557b4fff78858c8fd01cd48db032b92b4956e9c008f8e91b8f21a8e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3f4be0710051190464718655f4a2716d894dcd37001e71587de24ec41f696d81 [INFO] running `Command { std: "docker" "start" "-a" "3f4be0710051190464718655f4a2716d894dcd37001e71587de24ec41f696d81", kill_on_drop: false }` [INFO] [stderr] Compiling stackful-coroutine-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/coroutine/platform/sysv64.rs:70:18 [INFO] [stdout] | [INFO] [stdout] 70 | swap_context(&mut MAIN_CTX, CURRENT_CORO_CTX, val) [INFO] [stdout] | ^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 70 | swap_context(&raw mut MAIN_CTX, CURRENT_CORO_CTX, val) [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/coroutine/platform/sysv64.rs:74:36 [INFO] [stdout] | [INFO] [stdout] 74 | swap_context(CURRENT_CORO_CTX, &mut MAIN_CTX, ret) [INFO] [stdout] | ^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 74 | swap_context(CURRENT_CORO_CTX, &raw mut MAIN_CTX, ret) [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "3f4be0710051190464718655f4a2716d894dcd37001e71587de24ec41f696d81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f4be0710051190464718655f4a2716d894dcd37001e71587de24ec41f696d81", kill_on_drop: false }` [INFO] [stdout] 3f4be0710051190464718655f4a2716d894dcd37001e71587de24ec41f696d81