[INFO] fetching crate anothertls 0.1.3...
[INFO] checking anothertls-0.1.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate anothertls 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate anothertls 0.1.3
[INFO] finished tweaking crates.io crate anothertls 0.1.3
[INFO] tweaked toml for crates.io crate anothertls 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate anothertls 0.1.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0a84219df3ea4e2a9a2710fb4fbd77cae579ed381b7f33929c0662c6681e4920
[INFO] running `Command { std: "docker" "start" "-a" "0a84219df3ea4e2a9a2710fb4fbd77cae579ed381b7f33929c0662c6681e4920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a84219df3ea4e2a9a2710fb4fbd77cae579ed381b7f33929c0662c6681e4920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a84219df3ea4e2a9a2710fb4fbd77cae579ed381b7f33929c0662c6681e4920", kill_on_drop: false }`
[INFO] [stdout] 0a84219df3ea4e2a9a2710fb4fbd77cae579ed381b7f33929c0662c6681e4920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 86467162ba0c78977a6708a102a0ca396f44e827f631fe7cd25aaaedbc130a8c
[INFO] running `Command { std: "docker" "start" "-a" "86467162ba0c78977a6708a102a0ca396f44e827f631fe7cd25aaaedbc130a8c", kill_on_drop: false }`
[INFO] [stderr]     Checking ibig v0.3.6
[INFO] [stderr]     Checking anothertls v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/utils/x509.rs:238:23
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub struct Extensions(Vec<Extension>);
[INFO] [stdout]     |            ---------- ^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/net/server/server_hello.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn from_raw(buf: &[u8]) -> Result<ServerHello, TlsError> {
[INFO] [stdout]    |                          ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn from_raw(buf: &[u8]) -> Result<ServerHello<'_>, TlsError> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/net/client/client_hello.rs:70:26
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn from_raw(buf: &[u8]) -> Result<ClientHello, TlsError> {
[INFO] [stdout]    |                          ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn from_raw(buf: &[u8]) -> Result<ClientHello<'_>, TlsError> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]   --> src/net/client/client_hello.rs:82:22
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let random = buf[2..34].try_into().unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/net/handshake/mod.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn from_raw(buf: &[u8]) -> Result<Handshake, TlsError> {
[INFO] [stdout]    |                          ^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn from_raw(buf: &[u8]) -> Result<Handshake<'_>, TlsError> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/net/record.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn from_raw(buf: &[u8]) -> Result<(usize, Record), TlsError> {
[INFO] [stdout]    |                          ^^^^^                    ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn from_raw(buf: &[u8]) -> Result<(usize, Record<'_>), TlsError> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `anothertls` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/utils/x509.rs:238:23
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub struct Extensions(Vec<Extension>);
[INFO] [stdout]     |            ---------- ^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/net/server/server_hello.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn from_raw(buf: &[u8]) -> Result<ServerHello, TlsError> {
[INFO] [stdout]    |                          ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn from_raw(buf: &[u8]) -> Result<ServerHello<'_>, TlsError> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/net/client/client_hello.rs:70:26
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn from_raw(buf: &[u8]) -> Result<ClientHello, TlsError> {
[INFO] [stdout]    |                          ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn from_raw(buf: &[u8]) -> Result<ClientHello<'_>, TlsError> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]   --> src/net/client/client_hello.rs:82:22
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let random = buf[2..34].try_into().unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/net/handshake/mod.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn from_raw(buf: &[u8]) -> Result<Handshake, TlsError> {
[INFO] [stdout]    |                          ^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn from_raw(buf: &[u8]) -> Result<Handshake<'_>, TlsError> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/net/record.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn from_raw(buf: &[u8]) -> Result<(usize, Record), TlsError> {
[INFO] [stdout]    |                          ^^^^^                    ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn from_raw(buf: &[u8]) -> Result<(usize, Record<'_>), TlsError> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `anothertls` (lib test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "86467162ba0c78977a6708a102a0ca396f44e827f631fe7cd25aaaedbc130a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86467162ba0c78977a6708a102a0ca396f44e827f631fe7cd25aaaedbc130a8c", kill_on_drop: false }`
[INFO] [stdout] 86467162ba0c78977a6708a102a0ca396f44e827f631fe7cd25aaaedbc130a8c
