[INFO] cloning repository https://github.com/mdu02/ferric-gb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdu02/ferric-gb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-gb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-gb'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/fsmonitor-watchman.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-gb/hooks/fsmonitor-watchman.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/mdu02/ferric-gb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdu02/ferric-gb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-gb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-gb'... [INFO] [stderr] fatal: write error: No space left on device [INFO] [stderr] fatal: fetch-pack: invalid index-pack output [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/mdu02/ferric-gb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdu02/ferric-gb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-gb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-gb'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-gb: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/mdu02/ferric-gb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdu02/ferric-gb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-gb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-gb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d1ef738bd3ea7fd7cb254a33c547b150f1a35623 [INFO] checking mdu02/ferric-gb against master#9d28fe39763974a96d61232e96ac856735e4cdd6 for pr-139624 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-gb" "/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/mdu02/ferric-gb on toolchain 9d28fe39763974a96d61232e96ac856735e4cdd6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9d28fe39763974a96d61232e96ac856735e4cdd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mdu02/ferric-gb [INFO] finished tweaking git repo https://github.com/mdu02/ferric-gb [INFO] tweaked toml for git repo https://github.com/mdu02/ferric-gb written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mdu02/ferric-gb 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" "+9d28fe39763974a96d61232e96ac856735e4cdd6" "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-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9d28fe39763974a96d61232e96ac856735e4cdd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d4e7687c857ca43de810206baec6fbbcc0d017fcab1d5387a53f9e6ebee9ff9 [INFO] running `Command { std: "docker" "start" "-a" "9d4e7687c857ca43de810206baec6fbbcc0d017fcab1d5387a53f9e6ebee9ff9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d4e7687c857ca43de810206baec6fbbcc0d017fcab1d5387a53f9e6ebee9ff9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d4e7687c857ca43de810206baec6fbbcc0d017fcab1d5387a53f9e6ebee9ff9", kill_on_drop: false }` [INFO] [stdout] 9d4e7687c857ca43de810206baec6fbbcc0d017fcab1d5387a53f9e6ebee9ff9 [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9d28fe39763974a96d61232e96ac856735e4cdd6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 045f9bb5e4c3b6f237d495ac6018ca05a1d76fdcd71f3ab5d53fca1d01b1b0f5 [INFO] running `Command { std: "docker" "start" "-a" "045f9bb5e4c3b6f237d495ac6018ca05a1d76fdcd71f3ab5d53fca1d01b1b0f5", kill_on_drop: false }` [INFO] [stderr] Checking ferric-gb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0499]: cannot borrow `*self` as mutable more than once at a time [INFO] [stdout] --> src/cpu.rs:314:43 [INFO] [stdout] | [INFO] [stdout] 314 | self.write_narrow_reg(ry, self.read_narrow_reg(rz)); [INFO] [stdout] | ---- ---------------- ^^^^ second mutable borrow occurs here [INFO] [stdout] | | | [INFO] [stdout] | | first borrow later used by call [INFO] [stdout] | first mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] help: try adding a local storing this argument... [INFO] [stdout] --> src/cpu.rs:314:43 [INFO] [stdout] | [INFO] [stdout] 314 | self.write_narrow_reg(ry, self.read_narrow_reg(rz)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: ...and then using that local as the argument to this call [INFO] [stdout] --> src/cpu.rs:314:17 [INFO] [stdout] | [INFO] [stdout] 314 | self.write_narrow_reg(ry, self.read_narrow_reg(rz)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ram.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut ram = RAM { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/register.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut reg: Register = Register { value }; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0499`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ferric-gb` (bin "ferric-gb") due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0499]: cannot borrow `*self` as mutable more than once at a time [INFO] [stdout] --> src/cpu.rs:314:43 [INFO] [stdout] | [INFO] [stdout] 314 | self.write_narrow_reg(ry, self.read_narrow_reg(rz)); [INFO] [stdout] | ---- ---------------- ^^^^ second mutable borrow occurs here [INFO] [stdout] | | | [INFO] [stdout] | | first borrow later used by call [INFO] [stdout] | first mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] help: try adding a local storing this argument... [INFO] [stdout] --> src/cpu.rs:314:43 [INFO] [stdout] | [INFO] [stdout] 314 | self.write_narrow_reg(ry, self.read_narrow_reg(rz)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: ...and then using that local as the argument to this call [INFO] [stdout] --> src/cpu.rs:314:17 [INFO] [stdout] | [INFO] [stdout] 314 | self.write_narrow_reg(ry, self.read_narrow_reg(rz)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ram.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut ram = RAM { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/register.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut reg: Register = Register { value }; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0499`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ferric-gb` (bin "ferric-gb" test) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "045f9bb5e4c3b6f237d495ac6018ca05a1d76fdcd71f3ab5d53fca1d01b1b0f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "045f9bb5e4c3b6f237d495ac6018ca05a1d76fdcd71f3ab5d53fca1d01b1b0f5", kill_on_drop: false }` [INFO] [stdout] 045f9bb5e4c3b6f237d495ac6018ca05a1d76fdcd71f3ab5d53fca1d01b1b0f5