[INFO] fetching crate vemigrate-cli 0.3.1...
[INFO] checking vemigrate-cli-0.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate vemigrate-cli 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate vemigrate-cli 0.3.1
[INFO] finished tweaking crates.io crate vemigrate-cli 0.3.1
[INFO] tweaked toml for crates.io crate vemigrate-cli 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vemigrate-cli 0.3.1 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 vemigrate-cli 0.3.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 890a1c9fc1c2bd22fa6c03e8689ff128c7aad19380f15accfbbfd84ea4c66fd0
[INFO] running `Command { std: "docker" "start" "-a" "890a1c9fc1c2bd22fa6c03e8689ff128c7aad19380f15accfbbfd84ea4c66fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "890a1c9fc1c2bd22fa6c03e8689ff128c7aad19380f15accfbbfd84ea4c66fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890a1c9fc1c2bd22fa6c03e8689ff128c7aad19380f15accfbbfd84ea4c66fd0", kill_on_drop: false }`
[INFO] [stdout] 890a1c9fc1c2bd22fa6c03e8689ff128c7aad19380f15accfbbfd84ea4c66fd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 52a533fa6853b561be99f2ea72d6d8928565fdc38ef360a1a253c8c9aec2bf83
[INFO] running `Command { std: "docker" "start" "-a" "52a533fa6853b561be99f2ea72d6d8928565fdc38ef360a1a253c8c9aec2bf83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling proc-macro2 v0.1.10
[INFO] [stderr]     Checking lz4-compress v0.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking vemigrate v0.3.1
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.3
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking cdrs v2.3.0
[INFO] [stderr]    Compiling cdrs_helpers_derive v0.3.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking vemigrate-cli v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/configs.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     /// Replication strategy
[INFO] [stdout] 10 | |     #[structopt(long = "replication-strategy", default_value = "SimpleStrategy", possible_values = &[NETWORK_TOPOLOGY_STRATEGY, SIMPLE_ST...
[INFO] [stdout] 11 | |     pub replication_strategy: 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] error: could not compile `vemigrate-cli` (bin "vemigrate-cli" test) due to 7 previous errors
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/configs.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     /// Name of a new migration
[INFO] [stdout] 21 | |     #[structopt(short, long)]
[INFO] [stdout] 22 | |     pub name: String,
[INFO] [stdout]    | |____________________^
[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: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/configs.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     /// Database node address.
[INFO] [stdout] 66 | |     #[structopt(long = "db-node", env = "VEMIGRATE_NODE_ADDR")]
[INFO] [stdout] 67 | |     pub node: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/configs.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | /     /// Database keyspace.
[INFO] [stdout] 70 | |     #[structopt(
[INFO] [stdout] 71 | |         long = "db-keyspace",
[INFO] [stdout] 72 | |         env = "VEMIGRATE_KEYSPACE",
[INFO] [stdout] 73 | |         default_value = "vemigrate"
[INFO] [stdout] 74 | |     )]
[INFO] [stdout] 75 | |     pub keyspace: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/configs.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | /     /// Database user.
[INFO] [stdout] 78 | |     #[structopt(long = "db-user", env = "VEMIGRATE_USER")]
[INFO] [stdout] 79 | |     pub user: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/configs.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | /     /// Database password.
[INFO] [stdout] 82 | |     #[structopt(long = "db-password", env = "VEMIGRATE_PASSWORD")]
[INFO] [stdout] 83 | |     pub password: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/configs.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | /     /// Path to migration folder
[INFO] [stdout] 96 | |     #[structopt(short, long, default_value = "./migrations")]
[INFO] [stdout] 97 | |     pub path: PathBuf,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/configs.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     /// Replication strategy
[INFO] [stdout] 10 | |     #[structopt(long = "replication-strategy", default_value = "SimpleStrategy", possible_values = &[NETWORK_TOPOLOGY_STRATEGY, SIMPLE_ST...
[INFO] [stdout] 11 | |     pub replication_strategy: 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: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/configs.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     /// Name of a new migration
[INFO] [stdout] 21 | |     #[structopt(short, long)]
[INFO] [stdout] 22 | |     pub name: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/configs.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     /// Database node address.
[INFO] [stdout] 66 | |     #[structopt(long = "db-node", env = "VEMIGRATE_NODE_ADDR")]
[INFO] [stdout] 67 | |     pub node: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/configs.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | /     /// Database keyspace.
[INFO] [stdout] 70 | |     #[structopt(
[INFO] [stdout] 71 | |         long = "db-keyspace",
[INFO] [stdout] 72 | |         env = "VEMIGRATE_KEYSPACE",
[INFO] [stdout] 73 | |         default_value = "vemigrate"
[INFO] [stdout] 74 | |     )]
[INFO] [stdout] 75 | |     pub keyspace: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/configs.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | /     /// Database user.
[INFO] [stdout] 78 | |     #[structopt(long = "db-user", env = "VEMIGRATE_USER")]
[INFO] [stdout] 79 | |     pub user: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]   --> src/configs.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | /     /// Database password.
[INFO] [stdout] 82 | |     #[structopt(long = "db-password", env = "VEMIGRATE_PASSWORD")]
[INFO] [stdout] 83 | |     pub password: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/configs.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | /     /// Path to migration folder
[INFO] [stdout] 96 | |     #[structopt(short, long, default_value = "./migrations")]
[INFO] [stdout] 97 | |     pub path: PathBuf,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vemigrate-cli` (bin "vemigrate-cli") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "52a533fa6853b561be99f2ea72d6d8928565fdc38ef360a1a253c8c9aec2bf83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a533fa6853b561be99f2ea72d6d8928565fdc38ef360a1a253c8c9aec2bf83", kill_on_drop: false }`
[INFO] [stdout] 52a533fa6853b561be99f2ea72d6d8928565fdc38ef360a1a253c8c9aec2bf83