[INFO] cloning repository https://github.com/izderadicka/crevise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/izderadicka/crevise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizderadicka%2Fcrevise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizderadicka%2Fcrevise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d7aa21b8aa6a3d3918db31b5639e65a5ba8955e
[INFO] checking izderadicka/crevise 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%2Fizderadicka%2Fcrevise" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/izderadicka/crevise
[INFO] finished tweaking git repo https://github.com/izderadicka/crevise
[INFO] tweaked toml for git repo https://github.com/izderadicka/crevise written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/izderadicka/crevise 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/izderadicka/crevise 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] 94a723a712b03acc7a2a369d2310c366260240a1fcee36661d37e9502aa22921
[INFO] running `Command { std: "docker" "start" "-a" "94a723a712b03acc7a2a369d2310c366260240a1fcee36661d37e9502aa22921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94a723a712b03acc7a2a369d2310c366260240a1fcee36661d37e9502aa22921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a723a712b03acc7a2a369d2310c366260240a1fcee36661d37e9502aa22921", kill_on_drop: false }`
[INFO] [stdout] 94a723a712b03acc7a2a369d2310c366260240a1fcee36661d37e9502aa22921
[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] 666139492e93b66973dbdacb61fb28bbbcca65b0b8e8c35e26db706f142d8574
[INFO] running `Command { std: "docker" "start" "-a" "666139492e93b66973dbdacb61fb28bbbcca65b0b8e8c35e26db706f142d8574", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling snow v0.7.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking blake2 v0.9.0
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rust-argon2 v0.8.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking chacha20 v0.4.3
[INFO] [stderr]     Checking chacha20poly1305 v0.5.1
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking crevise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/command.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 peer: next.parse()?,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/command.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 peer: next.parse()?,
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/command.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                     to: addr.parse()?,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/command.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                     to: addr.parse()?,
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/command.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 peer: next.parse()?,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/command.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 peer: next.parse()?,
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/command.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                     to: addr.parse()?,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/command.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                     to: addr.parse()?,
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crevise` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `crevise` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "666139492e93b66973dbdacb61fb28bbbcca65b0b8e8c35e26db706f142d8574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666139492e93b66973dbdacb61fb28bbbcca65b0b8e8c35e26db706f142d8574", kill_on_drop: false }`
[INFO] [stdout] 666139492e93b66973dbdacb61fb28bbbcca65b0b8e8c35e26db706f142d8574
