[INFO] fetching crate below-view 0.7.1...
[INFO] checking below-view-0.7.1 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950
[INFO] extracting crate below-view 0.7.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate below-view 0.7.1 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate below-view 0.7.1
[INFO] finished tweaking crates.io crate below-view 0.7.1
[INFO] tweaked toml for crates.io crate below-view 0.7.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e33b26ddc2816ad152a373ac2c083f282d6327ce47f92a76539b43c01957e3c1
[INFO] running `Command { std: "docker" "start" "-a" "e33b26ddc2816ad152a373ac2c083f282d6327ce47f92a76539b43c01957e3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e33b26ddc2816ad152a373ac2c083f282d6327ce47f92a76539b43c01957e3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e33b26ddc2816ad152a373ac2c083f282d6327ce47f92a76539b43c01957e3c1", kill_on_drop: false }`
[INFO] [stdout] e33b26ddc2816ad152a373ac2c083f282d6327ce47f92a76539b43c01957e3c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d71f0dbf034d77f6bfa5fcb7be098b4cd4128d543884e5f7e750e53795eb49
[INFO] running `Command { std: "docker" "start" "-a" "49d71f0dbf034d77f6bfa5fcb7be098b4cd4128d543884e5f7e750e53795eb49", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling time-macros v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking ahash v0.8.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking openat v0.1.21
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking time v0.3.28
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling enum-map-derive v0.14.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]     Checking enum-map v2.6.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]     Checking thiserror v1.0.48
[INFO] [stderr]    Compiling below_derive v0.7.1
[INFO] [stderr]     Checking enumset v1.1.2
[INFO] [stderr]     Checking cursive_core v0.3.7
[INFO] [stderr]     Checking cursive v0.20.0
[INFO] [stderr]     Checking cursive_buffered_backend v0.6.1
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking os_info v3.7.0
[INFO] [stderr]     Checking cgroupfs v0.7.1
[INFO] [stderr]     Checking fb_procfs v0.7.1
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking slog-term v2.9.0
[INFO] [stderr]     Checking below-common v0.7.1
[INFO] [stderr]     Checking below-gpu-stats v0.7.1
[INFO] [stderr]     Checking below-btrfs v0.7.1
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking below-model v0.7.1
[INFO] [stderr]     Checking below-render v0.7.1
[INFO] [stderr]     Checking below-store v0.7.1
[INFO] [stderr]     Checking below-view v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0499]: cannot borrow `*c` as mutable more than once at a time
[INFO] [stdout]   --> src/status_bar.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let content = get_content(c);
[INFO] [stdout]    |                               - first mutable borrow occurs here
[INFO] [stdout] 70 |     let mut v = c
[INFO] [stdout]    |                 ^ second mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 73 |     v.set_content(content);
[INFO] [stdout]    |                   ------- first borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `*c` as mutable more than once at a time
[INFO] [stdout]   --> src/status_bar.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let content = get_content(c);
[INFO] [stdout]    |                               - first mutable borrow occurs here
[INFO] [stdout] 70 |     let mut v = c
[INFO] [stdout]    |                 ^ second mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 73 |     v.set_content(content);
[INFO] [stdout]    |                   ------- first borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `below-view` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `below-view` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "49d71f0dbf034d77f6bfa5fcb7be098b4cd4128d543884e5f7e750e53795eb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d71f0dbf034d77f6bfa5fcb7be098b4cd4128d543884e5f7e750e53795eb49", kill_on_drop: false }`
[INFO] [stdout] 49d71f0dbf034d77f6bfa5fcb7be098b4cd4128d543884e5f7e750e53795eb49