[INFO] fetching crate grant 0.0.1-beta.3...
[INFO] checking grant-0.0.1-beta.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate grant 0.0.1-beta.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate grant 0.0.1-beta.3
[INFO] finished tweaking crates.io crate grant 0.0.1-beta.3
[INFO] tweaked toml for crates.io crate grant 0.0.1-beta.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate grant 0.0.1-beta.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 grant 0.0.1-beta.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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 14896ef0b2d6e6cf5aaa2253f7aeb886838aef5f9801d5f6f0cbfe156782aabb
[INFO] running `Command { std: "docker" "start" "-a" "14896ef0b2d6e6cf5aaa2253f7aeb886838aef5f9801d5f6f0cbfe156782aabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14896ef0b2d6e6cf5aaa2253f7aeb886838aef5f9801d5f6f0cbfe156782aabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14896ef0b2d6e6cf5aaa2253f7aeb886838aef5f9801d5f6f0cbfe156782aabb", kill_on_drop: false }`
[INFO] [stdout] 14896ef0b2d6e6cf5aaa2253f7aeb886838aef5f9801d5f6f0cbfe156782aabb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4df9d5391789b4d55fa0e17119b9075aaa44c695ab3bbe3907bac7d0352d7fdc
[INFO] running `Command { std: "docker" "start" "-a" "4df9d5391789b4d55fa0e17119b9075aaa44c695ab3bbe3907bac7d0352d7fdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.13.1
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking siphasher v0.3.7
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking fsio v0.3.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking ascii_table v3.0.2
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking predicates v2.1.0
[INFO] [stderr]     Checking envmnt v0.9.1
[INFO] [stderr]     Checking phf v0.10.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking assert_cmd v2.0.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking postgres-protocol v0.6.2
[INFO] [stderr]     Checking postgres-types v0.2.2
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-postgres v0.7.5
[INFO] [stderr]     Checking postgres v0.19.2
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking grant v0.0.1-beta.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/cli.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CustomError(String);
[INFO] [stdout]   |            ----------- ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `CustomError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/cli.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CustomError(String);
[INFO] [stdout]   |            ----------- ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `CustomError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         /// The username, using to create md5 hash
[INFO] [stdout] 29 | |         #[structopt(short, long)]
[INFO] [stdout] 30 | |         username: Option<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/cli.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         /// The password, using to create md5 hash
[INFO] [stdout] 32 | |         #[structopt(short, long)]
[INFO] [stdout] 33 | |         password: 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/cli.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         /// The username, using to create md5 hash
[INFO] [stdout] 29 | |         #[structopt(short, long)]
[INFO] [stdout] 30 | |         username: Option<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/cli.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         /// The password, using to create md5 hash
[INFO] [stdout] 32 | |         #[structopt(short, long)]
[INFO] [stdout] 33 | |         password: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grant` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `grant` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "4df9d5391789b4d55fa0e17119b9075aaa44c695ab3bbe3907bac7d0352d7fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df9d5391789b4d55fa0e17119b9075aaa44c695ab3bbe3907bac7d0352d7fdc", kill_on_drop: false }`
[INFO] [stdout] 4df9d5391789b4d55fa0e17119b9075aaa44c695ab3bbe3907bac7d0352d7fdc