[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] checking chirsz-ever/rust-stackful-coroutine against try#da4929024a7261062885cb3209c9d7fdc919d233 for pr-135536 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirsz-ever%2Frust-stackful-coroutine" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chirsz-ever/rust-stackful-coroutine on toolchain da4929024a7261062885cb3209c9d7fdc919d233 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da4929024a7261062885cb3209c9d7fdc919d233" "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-0-tc2/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" "+da4929024a7261062885cb3209c9d7fdc919d233" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+da4929024a7261062885cb3209c9d7fdc919d233" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b9ed44702d84267203e63333754d9400c4140925f4ec61a2e98c863cadf2ec9 [INFO] running `Command { std: "docker" "start" "-a" "7b9ed44702d84267203e63333754d9400c4140925f4ec61a2e98c863cadf2ec9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b9ed44702d84267203e63333754d9400c4140925f4ec61a2e98c863cadf2ec9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b9ed44702d84267203e63333754d9400c4140925f4ec61a2e98c863cadf2ec9", kill_on_drop: false }` [INFO] [stdout] 7b9ed44702d84267203e63333754d9400c4140925f4ec61a2e98c863cadf2ec9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+da4929024a7261062885cb3209c9d7fdc919d233" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b632c6491211dcf47e94c00841ee02eec8fa5aa3ff0a64122d99e8e9e6ef4bdd [INFO] running `Command { std: "docker" "start" "-a" "b632c6491211dcf47e94c00841ee02eec8fa5aa3ff0a64122d99e8e9e6ef4bdd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking 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] [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 2.39s [INFO] running `Command { std: "docker" "inspect" "b632c6491211dcf47e94c00841ee02eec8fa5aa3ff0a64122d99e8e9e6ef4bdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b632c6491211dcf47e94c00841ee02eec8fa5aa3ff0a64122d99e8e9e6ef4bdd", kill_on_drop: false }` [INFO] [stdout] b632c6491211dcf47e94c00841ee02eec8fa5aa3ff0a64122d99e8e9e6ef4bdd