[INFO] cloning repository https://github.com/Ryuju0911/rust_runtime [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ryuju0911/rust_runtime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyuju0911%2Frust_runtime", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyuju0911%2Frust_runtime'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 43c5e1a7ec93794c1d6f8c50a734cee4adc664b5 [INFO] checking Ryuju0911/rust_runtime against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyuju0911%2Frust_runtime" "/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/Ryuju0911/rust_runtime on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Ryuju0911/rust_runtime [INFO] finished tweaking git repo https://github.com/Ryuju0911/rust_runtime [INFO] tweaked toml for git repo https://github.com/Ryuju0911/rust_runtime written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Ryuju0911/rust_runtime 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded prctl v1.0.0 [INFO] [stderr] Downloaded procfs v0.9.1 [INFO] [stderr] Downloaded anstyle-wincon v2.1.0 [INFO] [stderr] Downloaded anstream v0.5.0 [INFO] [stderr] Downloaded anstyle v1.0.3 [INFO] [stderr] Downloaded clap_builder v4.4.4 [INFO] [stderr] Downloaded clap v4.4.4 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6d5ad03bca7ec05881800893cd47b0dd84715b416bd3c0f6bb7ecd53cb63eec [INFO] running `Command { std: "docker" "start" "-a" "b6d5ad03bca7ec05881800893cd47b0dd84715b416bd3c0f6bb7ecd53cb63eec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6d5ad03bca7ec05881800893cd47b0dd84715b416bd3c0f6bb7ecd53cb63eec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6d5ad03bca7ec05881800893cd47b0dd84715b416bd3c0f6bb7ecd53cb63eec", kill_on_drop: false }` [INFO] [stdout] b6d5ad03bca7ec05881800893cd47b0dd84715b416bd3c0f6bb7ecd53cb63eec [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbd54066635070c632f7b14510e61dfaeae02d8fed7cd23fe96a771e1b45b9e3 [INFO] running `Command { std: "docker" "start" "-a" "bbd54066635070c632f7b14510e61dfaeae02d8fed7cd23fe96a771e1b45b9e3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Checking anstyle v1.0.3 [INFO] [stderr] Checking linux-raw-sys v0.4.10 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Checking clap_builder v4.4.4 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking procfs v0.9.1 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking prctl v1.0.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Checking thiserror v1.0.50 [INFO] [stderr] Checking caps v0.5.5 [INFO] [stderr] Checking clap v4.4.4 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking serde_json v1.0.107 [INFO] [stderr] Checking rust_runtime v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `MsFlags` is imported redundantly [INFO] [stdout] --> src/rootfs.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use nix::mount::MsFlags; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 11 | use nix::mount::*; [INFO] [stdout] | ------------- the item `MsFlags` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `MsFlags` is imported redundantly [INFO] [stdout] --> src/rootfs.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use nix::mount::MsFlags; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 11 | use nix::mount::*; [INFO] [stdout] | ------------- the item `MsFlags` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.08s [INFO] running `Command { std: "docker" "inspect" "bbd54066635070c632f7b14510e61dfaeae02d8fed7cd23fe96a771e1b45b9e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbd54066635070c632f7b14510e61dfaeae02d8fed7cd23fe96a771e1b45b9e3", kill_on_drop: false }` [INFO] [stdout] bbd54066635070c632f7b14510e61dfaeae02d8fed7cd23fe96a771e1b45b9e3 [INFO] checking Ryuju0911/rust_runtime against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyuju0911%2Frust_runtime" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ryuju0911/rust_runtime on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Ryuju0911/rust_runtime [INFO] finished tweaking git repo https://github.com/Ryuju0911/rust_runtime [INFO] tweaked toml for git repo https://github.com/Ryuju0911/rust_runtime written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Ryuju0911/rust_runtime 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ede7caebbe202196e6bd8dedfaf410388925629d2169a74b9e2ab2ba4da64421 [INFO] running `Command { std: "docker" "start" "-a" "ede7caebbe202196e6bd8dedfaf410388925629d2169a74b9e2ab2ba4da64421", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ede7caebbe202196e6bd8dedfaf410388925629d2169a74b9e2ab2ba4da64421", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ede7caebbe202196e6bd8dedfaf410388925629d2169a74b9e2ab2ba4da64421", kill_on_drop: false }` [INFO] [stdout] ede7caebbe202196e6bd8dedfaf410388925629d2169a74b9e2ab2ba4da64421 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5e3574e3a4163e0c93e647b0e2518de76e3c2489b0b981748dea25d907e9718f [INFO] running `Command { std: "docker" "start" "-a" "5e3574e3a4163e0c93e647b0e2518de76e3c2489b0b981748dea25d907e9718f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Checking linux-raw-sys v0.4.10 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking anstyle v1.0.3 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking clap_builder v4.4.4 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking procfs v0.9.1 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Checking prctl v1.0.0 [INFO] [stderr] Checking thiserror v1.0.50 [INFO] [stderr] Checking caps v0.5.5 [INFO] [stderr] Checking clap v4.4.4 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking serde_json v1.0.107 [INFO] [stderr] Checking rust_runtime v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `MsFlags` is imported redundantly [INFO] [stdout] --> src/rootfs.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use nix::mount::MsFlags; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 11 | use nix::mount::*; [INFO] [stdout] | ------------- the item `MsFlags` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `MsFlags` is imported redundantly [INFO] [stdout] --> src/rootfs.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use nix::mount::MsFlags; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 11 | use nix::mount::*; [INFO] [stdout] | ------------- the item `MsFlags` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.75s [INFO] running `Command { std: "docker" "inspect" "5e3574e3a4163e0c93e647b0e2518de76e3c2489b0b981748dea25d907e9718f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e3574e3a4163e0c93e647b0e2518de76e3c2489b0b981748dea25d907e9718f", kill_on_drop: false }` [INFO] [stdout] 5e3574e3a4163e0c93e647b0e2518de76e3c2489b0b981748dea25d907e9718f