[INFO] cloning repository https://github.com/segfaultdoc/nats_blocking
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/segfaultdoc/nats_blocking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfaultdoc%2Fnats_blocking", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfaultdoc%2Fnats_blocking'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af1937ff102420b39ffe1d5851e316878f726e4a
[INFO] checking segfaultdoc/nats_blocking against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfaultdoc%2Fnats_blocking" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/segfaultdoc/nats_blocking
[INFO] finished tweaking git repo https://github.com/segfaultdoc/nats_blocking
[INFO] tweaked toml for git repo https://github.com/segfaultdoc/nats_blocking written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/segfaultdoc/nats_blocking 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 git repo https://github.com/segfaultdoc/nats_blocking 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-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] 1185cc7587e73447af5a964e1222b29ab7151602900252f1c236f8a4e34b4b25
[INFO] running `Command { std: "docker" "start" "-a" "1185cc7587e73447af5a964e1222b29ab7151602900252f1c236f8a4e34b4b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1185cc7587e73447af5a964e1222b29ab7151602900252f1c236f8a4e34b4b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1185cc7587e73447af5a964e1222b29ab7151602900252f1c236f8a4e34b4b25", kill_on_drop: false }`
[INFO] [stdout] 1185cc7587e73447af5a964e1222b29ab7151602900252f1c236f8a4e34b4b25
[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] 46433699b0873f275f685c57602c2c4472b571830fae9c91de51c4fe7f837c0e
[INFO] running `Command { std: "docker" "start" "-a" "46433699b0873f275f685c57602c2c4472b571830fae9c91de51c4fe7f837c0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking signature v1.6.3
[INFO] [stderr]     Checking base64ct v1.1.1
[INFO] [stderr]     Checking der v0.4.5
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking pem-rfc7468 v0.2.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking ed25519 v1.5.2
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking spki v0.4.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking async-channel v1.7.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
[INFO] [stderr]     Checking base64-url v1.4.13
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking nuid v0.3.2
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking env_logger v0.9.1
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling serde_repr v0.1.9
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking signatory v0.23.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking nkeys v0.2.0
[INFO] [stderr]     Checking serde_nanos v0.1.2
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking nats v0.23.0
[INFO] [stderr]     Checking nats_blocking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     bucket_config_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<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     nats_url: 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/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     bucket_config_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<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     nats_url: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nats_blocking` (bin "nats_blocking") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nats_blocking` (bin "nats_blocking" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "46433699b0873f275f685c57602c2c4472b571830fae9c91de51c4fe7f837c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46433699b0873f275f685c57602c2c4472b571830fae9c91de51c4fe7f837c0e", kill_on_drop: false }`
[INFO] [stdout] 46433699b0873f275f685c57602c2c4472b571830fae9c91de51c4fe7f837c0e
