[INFO] fetching crate spareval 0.2.6...
[INFO] checking spareval-0.2.6 against try#8e819ff5434466e9a823e03871a1775ac7d84ddf for pr-156027
[INFO] extracting crate spareval 0.2.6 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate spareval 0.2.6
[INFO] finished tweaking crates.io crate spareval 0.2.6
[INFO] tweaked toml for crates.io crate spareval 0.2.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spareval 0.2.6 on toolchain 8e819ff5434466e9a823e03871a1775ac7d84ddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spareval 0.2.6 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" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa4b4a52e1ebee35d33bec8482ea0a9686498c5abc27608f73f4092b08916867
[INFO] running `Command { std: "docker" "start" "-a" "fa4b4a52e1ebee35d33bec8482ea0a9686498c5abc27608f73f4092b08916867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa4b4a52e1ebee35d33bec8482ea0a9686498c5abc27608f73f4092b08916867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4b4a52e1ebee35d33bec8482ea0a9686498c5abc27608f73f4092b08916867", kill_on_drop: false }`
[INFO] [stdout] fa4b4a52e1ebee35d33bec8482ea0a9686498c5abc27608f73f4092b08916867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3c80592b8112be3ba17abf1209ec95e52f13875731bd99bd9485ccd17956c67
[INFO] running `Command { std: "docker" "start" "-a" "e3c80592b8112be3ba17abf1209ec95e52f13875731bd99bd9485ccd17956c67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking oxilangtag v0.1.5
[INFO] [stderr]    Compiling peg-runtime v0.8.5
[INFO] [stderr]     Checking oxiri v0.2.11
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking quick-xml v0.37.5
[INFO] [stderr]     Checking json-event-parser v0.2.3
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling peg-macros v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking oxsdatatypes v0.2.2
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking peg v0.8.5
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking oxrdf v0.3.3
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking spargebra v0.4.6
[INFO] [stderr]     Checking sparesults v0.3.3
[INFO] [stderr]     Checking sparopt v0.3.6
[INFO] [stderr]     Checking spareval v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0499]: cannot borrow `*context` as mutable more than once at a time
[INFO] [stdout]   --> src/expression.rs:97:31
[INFO] [stdout]    |
[INFO] [stdout] 96 |             let lookup = context.build_variable_lookup(v);
[INFO] [stdout]    |                          ------- first mutable borrow occurs here
[INFO] [stdout] 97 |             let externalize = context.build_externalize_expression_term();
[INFO] [stdout]    |                               ^^^^^^^ second mutable borrow occurs here
[INFO] [stdout] 98 |             Rc::new(move |t| externalize(lookup(t)?))
[INFO] [stdout]    |                                          ------ first borrow later captured here by closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `*context` as mutable more than once at a time
[INFO] [stdout]   --> src/expression.rs:97:31
[INFO] [stdout]    |
[INFO] [stdout] 96 |             let lookup = context.build_variable_lookup(v);
[INFO] [stdout]    |                          ------- first mutable borrow occurs here
[INFO] [stdout] 97 |             let externalize = context.build_externalize_expression_term();
[INFO] [stdout]    |                               ^^^^^^^ second mutable borrow occurs here
[INFO] [stdout] 98 |             Rc::new(move |t| externalize(lookup(t)?))
[INFO] [stdout]    |                                          ------ first borrow later captured here by closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spareval` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spareval` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e3c80592b8112be3ba17abf1209ec95e52f13875731bd99bd9485ccd17956c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c80592b8112be3ba17abf1209ec95e52f13875731bd99bd9485ccd17956c67", kill_on_drop: false }`
[INFO] [stdout] e3c80592b8112be3ba17abf1209ec95e52f13875731bd99bd9485ccd17956c67
