[INFO] cloning repository https://github.com/ScottFan/zero_os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ScottFan/zero_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScottFan%2Fzero_os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScottFan%2Fzero_os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2864269cda1a7c10274ec300547e626fe366a44f [INFO] checking ScottFan/zero_os against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScottFan%2Fzero_os" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ScottFan/zero_os on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/ScottFan/zero_os [INFO] finished tweaking git repo https://github.com/ScottFan/zero_os [INFO] tweaked toml for git repo https://github.com/ScottFan/zero_os written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ScottFan/zero_os 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: target.cfg(target_os = "windows").rustflags [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mars_vga v0.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb7edb3ff3fb0be890736f3f2b5514c6ca64e848549102fe97817c2f2902f252 [INFO] running `Command { std: "docker" "start" "-a" "bb7edb3ff3fb0be890736f3f2b5514c6ca64e848549102fe97817c2f2902f252", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb7edb3ff3fb0be890736f3f2b5514c6ca64e848549102fe97817c2f2902f252", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb7edb3ff3fb0be890736f3f2b5514c6ca64e848549102fe97817c2f2902f252", kill_on_drop: false }` [INFO] [stdout] bb7edb3ff3fb0be890736f3f2b5514c6ca64e848549102fe97817c2f2902f252 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a31453f04f636f5c687ea6a33182221f67392785804b96a6384b242986634bf4 [INFO] running `Command { std: "docker" "start" "-a" "a31453f04f636f5c687ea6a33182221f67392785804b96a6384b242986634bf4", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: target.cfg(target_os = "windows").rustflags [INFO] [stderr] Compiling bootloader v0.9.19 [INFO] [stderr] Checking volatile v0.2.7 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking mars_vga v0.0.1 [INFO] [stderr] Checking zero_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::intrinsics` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use core::intrinsics; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `self` [INFO] [stdout] --> src/main.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 9 | use core::fmt::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::intrinsics` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use core::intrinsics; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `self` [INFO] [stdout] --> src/main.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 9 | use core::fmt::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> src/main.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | / fn panic(_info: &PanicInfo) -> ! { [INFO] [stdout] 16 | | loop {} [INFO] [stdout] 17 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `std` (which `test` depends on) [INFO] [stdout] = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/af4a5a13a15fa0c60e06321077ef452f769b42fd/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-eb900a948ffb2e3b.rlib [INFO] [stdout] = note: second definition in the local crate (`zero_os`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `zero_os` (bin "zero_os" test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a31453f04f636f5c687ea6a33182221f67392785804b96a6384b242986634bf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a31453f04f636f5c687ea6a33182221f67392785804b96a6384b242986634bf4", kill_on_drop: false }` [INFO] [stdout] a31453f04f636f5c687ea6a33182221f67392785804b96a6384b242986634bf4 [INFO] checking ScottFan/zero_os against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScottFan%2Fzero_os" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ScottFan/zero_os on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/ScottFan/zero_os [INFO] finished tweaking git repo https://github.com/ScottFan/zero_os [INFO] tweaked toml for git repo https://github.com/ScottFan/zero_os written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ScottFan/zero_os 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: target.cfg(target_os = "windows").rustflags [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce2ca62971a81cd2983122d78e9b2150396f27f6c99323e6918247779472b8b9 [INFO] running `Command { std: "docker" "start" "-a" "ce2ca62971a81cd2983122d78e9b2150396f27f6c99323e6918247779472b8b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce2ca62971a81cd2983122d78e9b2150396f27f6c99323e6918247779472b8b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce2ca62971a81cd2983122d78e9b2150396f27f6c99323e6918247779472b8b9", kill_on_drop: false }` [INFO] [stdout] ce2ca62971a81cd2983122d78e9b2150396f27f6c99323e6918247779472b8b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15da0f2067271a2f9ce779dcec9d2c783b80b49adfc88e1f73e2203a5546768f [INFO] running `Command { std: "docker" "start" "-a" "15da0f2067271a2f9ce779dcec9d2c783b80b49adfc88e1f73e2203a5546768f", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "15da0f2067271a2f9ce779dcec9d2c783b80b49adfc88e1f73e2203a5546768f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15da0f2067271a2f9ce779dcec9d2c783b80b49adfc88e1f73e2203a5546768f", kill_on_drop: false }` [INFO] [stdout] 15da0f2067271a2f9ce779dcec9d2c783b80b49adfc88e1f73e2203a5546768f