[INFO] fetching crate russell_ode 1.10.0...
[INFO] checking russell_ode-1.10.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate russell_ode 1.10.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate russell_ode 1.10.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate russell_ode 1.10.0
[INFO] tweaked toml for crates.io crate russell_ode 1.10.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate russell_ode 1.10.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate russell_ode 1.10.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32c0a82f05400875b8c8a7ac73f4b449af7a771ae67a0462e57aa8afa7f423e4
[INFO] running `Command { std: "docker" "start" "-a" "32c0a82f05400875b8c8a7ac73f4b449af7a771ae67a0462e57aa8afa7f423e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32c0a82f05400875b8c8a7ac73f4b449af7a771ae67a0462e57aa8afa7f423e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c0a82f05400875b8c8a7ac73f4b449af7a771ae67a0462e57aa8afa7f423e4", kill_on_drop: false }`
[INFO] [stdout] 32c0a82f05400875b8c8a7ac73f4b449af7a771ae67a0462e57aa8afa7f423e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87adc73ee45ce28b16a9d6716dea3c9d7947a2d512fe912eba37665630b57a76
[INFO] running `Command { std: "docker" "start" "-a" "87adc73ee45ce28b16a9d6716dea3c9d7947a2d512fe912eba37665630b57a76", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking sdd v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking scc v2.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking plotpy v1.13.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling russell_lab v1.9.2
[INFO] [stderr]    Compiling russell_sparse v1.10.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling serde_derive v1.0.199
[INFO] [stderr]    Compiling serial_test_derive v3.1.1
[INFO] [stderr]     Checking serial_test v3.1.1
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking russell_ode v1.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/brusselator_pde.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     /// Solver selection
[INFO] [stdout] 43 | |     #[structopt(short = "g", long, default_value = "Umfpack")]
[INFO] [stdout] 44 | |     genie: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/brusselator_pde.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     /// Ordering strategy
[INFO] [stdout] 47 | |     #[structopt(short = "o", long, default_value = "Auto")]
[INFO] [stdout] 48 | |     ordering: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/brusselator_pde.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     /// Scaling strategy
[INFO] [stdout] 51 | |     #[structopt(short = "s", long, default_value = "Auto")]
[INFO] [stdout] 52 | |     scaling: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `russell_ode` (bin "brusselator_pde" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/brusselator_pde.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     /// Solver selection
[INFO] [stdout] 43 | |     #[structopt(short = "g", long, default_value = "Umfpack")]
[INFO] [stdout] 44 | |     genie: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/brusselator_pde.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     /// Ordering strategy
[INFO] [stdout] 47 | |     #[structopt(short = "o", long, default_value = "Auto")]
[INFO] [stdout] 48 | |     ordering: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/brusselator_pde.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     /// Scaling strategy
[INFO] [stdout] 51 | |     #[structopt(short = "s", long, default_value = "Auto")]
[INFO] [stdout] 52 | |     scaling: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `russell_ode` (bin "brusselator_pde") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "87adc73ee45ce28b16a9d6716dea3c9d7947a2d512fe912eba37665630b57a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87adc73ee45ce28b16a9d6716dea3c9d7947a2d512fe912eba37665630b57a76", kill_on_drop: false }`
[INFO] [stdout] 87adc73ee45ce28b16a9d6716dea3c9d7947a2d512fe912eba37665630b57a76