[INFO] fetching crate toboggan 0.1.3...
[INFO] checking toboggan-0.1.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate toboggan 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate toboggan 0.1.3
[INFO] finished tweaking crates.io crate toboggan 0.1.3
[INFO] tweaked toml for crates.io crate toboggan 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate toboggan 0.1.3 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 toboggan 0.1.3 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 417a30b25e5fdbe6d253b451bdf510ee669563237a4ce64ce91f6e5ab14b64f7
[INFO] running `Command { std: "docker" "start" "-a" "417a30b25e5fdbe6d253b451bdf510ee669563237a4ce64ce91f6e5ab14b64f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "417a30b25e5fdbe6d253b451bdf510ee669563237a4ce64ce91f6e5ab14b64f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417a30b25e5fdbe6d253b451bdf510ee669563237a4ce64ce91f6e5ab14b64f7", kill_on_drop: false }`
[INFO] [stdout] 417a30b25e5fdbe6d253b451bdf510ee669563237a4ce64ce91f6e5ab14b64f7
[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 -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] 1f8583089925f623d486b5bbfa0e126f82ad340a904ea4b5769b220ef0c5ac89
[INFO] running `Command { std: "docker" "start" "-a" "1f8583089925f623d486b5bbfa0e126f82ad340a904ea4b5769b220ef0c5ac89", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling futures-core v0.3.23
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking futures-sink v0.3.23
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling futures-channel v0.3.23
[INFO] [stderr]    Compiling futures-task v0.3.23
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-util v0.3.23
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking futures-io v0.3.23
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.63
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]    Compiling futures-macro v0.3.23
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling enum-ordinalize v3.1.11
[INFO] [stderr]    Compiling clap_derive v3.2.17
[INFO] [stderr]    Compiling tarpc-plugins v0.12.0
[INFO] [stderr]    Compiling educe v0.4.19
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking clap v3.2.17
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking futures-executor v0.3.23
[INFO] [stderr]     Checking opentelemetry v0.17.0
[INFO] [stderr]     Checking futures v0.3.23
[INFO] [stderr]     Checking tracing-opentelemetry v0.17.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking tokio-serde v0.8.0
[INFO] [stderr]     Checking tarpc v0.30.0
[INFO] [stderr]     Checking toboggan v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         tree_name: 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<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         tree: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         value: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         tree: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         tree: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `toboggan` (bin "client" test) due to 8 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         tree_name: String
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         tree: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         value: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         tree: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         tree: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/client.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     db: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/server.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     db: PathBuf,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `toboggan` (bin "server") due to 1 previous error
[INFO] [stderr] error: could not compile `toboggan` (bin "client") due to 8 previous errors
[INFO] [stderr] error: could not compile `toboggan` (bin "server" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1f8583089925f623d486b5bbfa0e126f82ad340a904ea4b5769b220ef0c5ac89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8583089925f623d486b5bbfa0e126f82ad340a904ea4b5769b220ef0c5ac89", kill_on_drop: false }`
[INFO] [stdout] 1f8583089925f623d486b5bbfa0e126f82ad340a904ea4b5769b220ef0c5ac89
