[INFO] fetching crate testground 0.4.0...
[INFO] checking testground-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate testground 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate testground 0.4.0
[INFO] finished tweaking crates.io crate testground 0.4.0
[INFO] tweaked toml for crates.io crate testground 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate testground 0.4.0 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 testground 0.4.0 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] 5b42cd2bf5646b203194423d64301ae04748bd9029276b62bc0fe2a16d87d866
[INFO] running `Command { std: "docker" "start" "-a" "5b42cd2bf5646b203194423d64301ae04748bd9029276b62bc0fe2a16d87d866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b42cd2bf5646b203194423d64301ae04748bd9029276b62bc0fe2a16d87d866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b42cd2bf5646b203194423d64301ae04748bd9029276b62bc0fe2a16d87d866", kill_on_drop: false }`
[INFO] [stdout] 5b42cd2bf5646b203194423d64301ae04748bd9029276b62bc0fe2a16d87d866
[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] 2dd47fd549556a6532cdeb0ac7c6843a73220858f96efff80b0f0deaf5f8b073
[INFO] running `Command { std: "docker" "start" "-a" "2dd47fd549556a6532cdeb0ac7c6843a73220858f96efff80b0f0deaf5f8b073", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling tokio v1.20.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking cpufeatures v0.2.2
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[INFO] [stderr]     Checking clap_lex v0.2.4
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[INFO] [stderr]     Checking num_cpus v1.13.1
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[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling darling_core v0.14.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling influxdb_derive v0.5.0
[INFO] [stderr]    Compiling serde_repr v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking clap v3.2.14
[INFO] [stderr]    Compiling darling_macro v0.14.1
[INFO] [stderr]    Compiling darling v0.14.1
[INFO] [stderr]    Compiling serde_with_macros v2.0.0
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-stream v0.1.9
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking soketto v0.7.1
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[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_with v2.0.0
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[INFO] [stderr]     Checking testground v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/params.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub test_plan: String, // TEST_PLAN: streaming_test
[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/params.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub test_case: String, // TEST_CASE: quickstart
[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/params.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub test_run: String, // TEST_RUN: c7fjstge5te621cen4i0
[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/params.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub test_repo: String, //TEST_REPO:
[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/params.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub test_branch: String, // TEST_BRANCH:
[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/params.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub test_tag: String, // TEST_TAG:
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/params.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub test_outputs_path: PathBuf, // TEST_OUTPUTS_PATH: /outputs
[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/params.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub test_temp_path: String, // TEST_TEMP_PATH: /temp
[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/params.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub test_instance_role: String, // TEST_INSTANCE_ROLE:
[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/params.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub test_start_time: String, // TEST_START_TIME: 2022-01-12T15:48:07-05:00
[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/params.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub test_capture_profiles: String, // TEST_CAPTURE_PROFILES:
[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/params.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub test_group_id: String, // TEST_GROUP_ID: single
[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/params.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub hostname: String, // HOSTNAME: e6f4cc8fc147
[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/params.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub influxdb_url: String, // INFLUXDB_URL: http://testground-influxdb:8086
[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/params.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub redis_host: String, // REDIS_HOST: testground-redis
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `testground` (lib test) due to 15 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<std::string::String, Infallible>
[INFO] [stdout]   --> src/params.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub test_plan: String, // TEST_PLAN: streaming_test
[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/params.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub test_case: String, // TEST_CASE: quickstart
[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/params.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub test_run: String, // TEST_RUN: c7fjstge5te621cen4i0
[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/params.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub test_repo: String, //TEST_REPO:
[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/params.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub test_branch: String, // TEST_BRANCH:
[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/params.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub test_tag: String, // TEST_TAG:
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/params.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub test_outputs_path: PathBuf, // TEST_OUTPUTS_PATH: /outputs
[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/params.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub test_temp_path: String, // TEST_TEMP_PATH: /temp
[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/params.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub test_instance_role: String, // TEST_INSTANCE_ROLE:
[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/params.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub test_start_time: String, // TEST_START_TIME: 2022-01-12T15:48:07-05:00
[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/params.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub test_capture_profiles: String, // TEST_CAPTURE_PROFILES:
[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/params.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub test_group_id: String, // TEST_GROUP_ID: single
[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/params.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub hostname: String, // HOSTNAME: e6f4cc8fc147
[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/params.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub influxdb_url: String, // INFLUXDB_URL: http://testground-influxdb:8086
[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/params.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub redis_host: String, // REDIS_HOST: testground-redis
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `testground` (lib) due to 15 previous errors
[INFO] running `Command { std: "docker" "inspect" "2dd47fd549556a6532cdeb0ac7c6843a73220858f96efff80b0f0deaf5f8b073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd47fd549556a6532cdeb0ac7c6843a73220858f96efff80b0f0deaf5f8b073", kill_on_drop: false }`
[INFO] [stdout] 2dd47fd549556a6532cdeb0ac7c6843a73220858f96efff80b0f0deaf5f8b073
