[INFO] fetching crate counterfeit 0.2.2...
[INFO] checking counterfeit-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate counterfeit 0.2.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate counterfeit 0.2.2
[INFO] finished tweaking crates.io crate counterfeit 0.2.2
[INFO] tweaked toml for crates.io crate counterfeit 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate counterfeit 0.2.2 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 counterfeit 0.2.2 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4918a9261adae85f7dc2b298ec29ee4182b4f9287269a1e9f8aead555dc8b9af
[INFO] running `Command { std: "docker" "start" "-a" "4918a9261adae85f7dc2b298ec29ee4182b4f9287269a1e9f8aead555dc8b9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4918a9261adae85f7dc2b298ec29ee4182b4f9287269a1e9f8aead555dc8b9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4918a9261adae85f7dc2b298ec29ee4182b4f9287269a1e9f8aead555dc8b9af", kill_on_drop: false }`
[INFO] [stdout] 4918a9261adae85f7dc2b298ec29ee4182b4f9287269a1e9f8aead555dc8b9af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c5b4b061f8a09873914aaf747744a5d3b3f691abe0575fdcd16cc0e08d5a5493
[INFO] running `Command { std: "docker" "start" "-a" "c5b4b061f8a09873914aaf747744a5d3b3f691abe0575fdcd16cc0e08d5a5493", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]     Checking counterfeit_core v0.2.1
[INFO] [stderr]     Checking counterfeit v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     /// Sets the base directory to serve responses from
[INFO] [stdout] 27 | |     #[structopt(short = "b", long, default_value = "./responses")]
[INFO] [stdout] 28 | |     pub base_path: 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/options.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Sets the host of the local server
[INFO] [stdout] 50 | |     #[structopt(short = "h", long, default_value = "127.0.0.1")]
[INFO] [stdout] 51 | |     pub host: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     /// Sets the directory prefix for path parameters.
[INFO] [stdout] 58 | |     /// Example: "_" -> ../_anyIdentifier/..
[INFO] [stdout] 59 | |     #[structopt(long = "prefix", default_value = "_")]
[INFO] [stdout] 60 | |     pub param_prefix: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | /     /// Sets the directory postfix for path parameters.
[INFO] [stdout] 63 | |     /// Example: "_" -> ../anyIdentifier_/..
[INFO] [stdout] 64 | |     #[structopt(long = "postfix", default_value = "_")]
[INFO] [stdout] 65 | |     pub param_postfix: String,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | /     /// Sets the directory prefix and postfix for path parameters.
[INFO] [stdout] 68 | |     /// Example: "_" -> ../_anyIdentifier_/..
[INFO] [stdout] 69 | |     #[structopt(
[INFO] [stdout] 70 | |         long = "surround",
[INFO] [stdout] 71 | |         conflicts_with_all = &["param_prefix", "param_postfix"]
[INFO] [stdout] 72 | |     )]
[INFO] [stdout] 73 | |     pub param_surround: Option<String>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     /// Unimplemented --
[INFO] [stdout] 76 | |     /// Server will ignore any file with this prefix
[INFO] [stdout] 77 | |     #[structopt(long = "ignore")]
[INFO] [stdout] 78 | |     pub ignore_file_prefix: Option<String>,
[INFO] [stdout]    | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub response: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | /     /// Sets the base directory to store responses to
[INFO] [stdout] 86 | |     #[structopt(short = "b", long, default_value = "./responses")]
[INFO] [stdout] 87 | |     pub base_path: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `counterfeit` (bin "counterfeit" test) due to 8 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/options.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     /// Sets the base directory to serve responses from
[INFO] [stdout] 27 | |     #[structopt(short = "b", long, default_value = "./responses")]
[INFO] [stdout] 28 | |     pub base_path: 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/options.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Sets the host of the local server
[INFO] [stdout] 50 | |     #[structopt(short = "h", long, default_value = "127.0.0.1")]
[INFO] [stdout] 51 | |     pub host: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     /// Sets the directory prefix for path parameters.
[INFO] [stdout] 58 | |     /// Example: "_" -> ../_anyIdentifier/..
[INFO] [stdout] 59 | |     #[structopt(long = "prefix", default_value = "_")]
[INFO] [stdout] 60 | |     pub param_prefix: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | /     /// Sets the directory postfix for path parameters.
[INFO] [stdout] 63 | |     /// Example: "_" -> ../anyIdentifier_/..
[INFO] [stdout] 64 | |     #[structopt(long = "postfix", default_value = "_")]
[INFO] [stdout] 65 | |     pub param_postfix: String,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | /     /// Sets the directory prefix and postfix for path parameters.
[INFO] [stdout] 68 | |     /// Example: "_" -> ../_anyIdentifier_/..
[INFO] [stdout] 69 | |     #[structopt(
[INFO] [stdout] 70 | |         long = "surround",
[INFO] [stdout] 71 | |         conflicts_with_all = &["param_prefix", "param_postfix"]
[INFO] [stdout] 72 | |     )]
[INFO] [stdout] 73 | |     pub param_surround: Option<String>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     /// Unimplemented --
[INFO] [stdout] 76 | |     /// Server will ignore any file with this prefix
[INFO] [stdout] 77 | |     #[structopt(long = "ignore")]
[INFO] [stdout] 78 | |     pub ignore_file_prefix: Option<String>,
[INFO] [stdout]    | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub response: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | /     /// Sets the base directory to store responses to
[INFO] [stdout] 86 | |     #[structopt(short = "b", long, default_value = "./responses")]
[INFO] [stdout] 87 | |     pub base_path: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `counterfeit` (bin "counterfeit") due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "c5b4b061f8a09873914aaf747744a5d3b3f691abe0575fdcd16cc0e08d5a5493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b4b061f8a09873914aaf747744a5d3b3f691abe0575fdcd16cc0e08d5a5493", kill_on_drop: false }`
[INFO] [stdout] c5b4b061f8a09873914aaf747744a5d3b3f691abe0575fdcd16cc0e08d5a5493