[INFO] fetching crate rant 4.0.0-alpha.4... [INFO] checking rant-4.0.0-alpha.4 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104 [INFO] extracting crate rant 4.0.0-alpha.4 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate rant 4.0.0-alpha.4 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rant 4.0.0-alpha.4 [INFO] finished tweaking crates.io crate rant 4.0.0-alpha.4 [INFO] tweaked toml for crates.io crate rant 4.0.0-alpha.4 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate rant 4.0.0-alpha.4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded embedded-triple v0.1.0 [INFO] [stderr] Downloaded quickscope v0.1.1 [INFO] [stderr] Downloaded line-col v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea6ed286248b4e024e93890fec51d4d99bb4e0999e6f48e754e80ebea1c374fc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ea6ed286248b4e024e93890fec51d4d99bb4e0999e6f48e754e80ebea1c374fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea6ed286248b4e024e93890fec51d4d99bb4e0999e6f48e754e80ebea1c374fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea6ed286248b4e024e93890fec51d4d99bb4e0999e6f48e754e80ebea1c374fc", kill_on_drop: false }` [INFO] [stdout] ea6ed286248b4e024e93890fec51d4d99bb4e0999e6f48e754e80ebea1c374fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 011316b70959e87ad7bb3acf1dba9612fe699043a50961af18cbcc2d05ff4140 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "011316b70959e87ad7bb3acf1dba9612fe699043a50961af18cbcc2d05ff4140", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling beef v0.4.4 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking line-col v0.2.1 [INFO] [stderr] Checking assert_matches v1.3.0 [INFO] [stderr] Checking smartstring v0.2.4 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking quickscope v0.1.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling logos-derive v0.11.5 [INFO] [stderr] Checking logos v0.11.4 [INFO] [stderr] Checking rant v4.0.0-alpha.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `DerefMut`, `Deref` [INFO] [stdout] --> src/runtime/stack.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{rc::Rc, ops::{DerefMut, Deref}}; [INFO] [stdout] | ^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DerefMut`, `Deref` [INFO] [stdout] --> src/runtime/stack.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{rc::Rc, ops::{DerefMut, Deref}}; [INFO] [stdout] | ^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RantMap` [INFO] [stdout] --> src/runtime/stack.rs:5:36 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::{lang::{Sequence, RST}, RantMap, RantValue, Rant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RantMap` [INFO] [stdout] --> src/runtime/stack.rs:5:36 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::{lang::{Sequence, RST}, RantMap, RantValue, Rant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `capture_vars` [INFO] [stdout] --> src/runtime.rs:371:15 [INFO] [stdout] | [INFO] [stdout] 371 | capture_vars [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `capture_vars: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `capture_vars` [INFO] [stdout] --> src/runtime.rs:399:15 [INFO] [stdout] | [INFO] [stdout] 399 | capture_vars, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `capture_vars: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `capture_vars` [INFO] [stdout] --> src/runtime.rs:371:15 [INFO] [stdout] | [INFO] [stdout] 371 | capture_vars [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `capture_vars: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `capture_vars` [INFO] [stdout] --> src/runtime.rs:399:15 [INFO] [stdout] | [INFO] [stdout] 399 | capture_vars, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `capture_vars: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/runtime/output.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 51 | match &self.format.ws_norm_mode { [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 60 | self.write_frag(val.to_string().as_str()) [INFO] [stdout] | ^^^^ --- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/runtime/output.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 51 | match &self.format.ws_norm_mode { [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 60 | self.write_frag(val.to_string().as_str()) [INFO] [stdout] | ^^^^ --- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rant` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "011316b70959e87ad7bb3acf1dba9612fe699043a50961af18cbcc2d05ff4140", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "011316b70959e87ad7bb3acf1dba9612fe699043a50961af18cbcc2d05ff4140", kill_on_drop: false }` [INFO] [stdout] 011316b70959e87ad7bb3acf1dba9612fe699043a50961af18cbcc2d05ff4140