[INFO] fetching crate equuleus 0.1.0...
[INFO] checking equuleus-0.1.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate equuleus 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate equuleus 0.1.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate equuleus 0.1.0
[INFO] finished tweaking crates.io crate equuleus 0.1.0
[INFO] tweaked toml for crates.io crate equuleus 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e41b4df87c0a53e601308f9bae1be6ce6632c8ccaec6d1df467b5ba18c3c576f
[INFO] running `Command { std: "docker" "start" "-a" "e41b4df87c0a53e601308f9bae1be6ce6632c8ccaec6d1df467b5ba18c3c576f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41b4df87c0a53e601308f9bae1be6ce6632c8ccaec6d1df467b5ba18c3c576f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41b4df87c0a53e601308f9bae1be6ce6632c8ccaec6d1df467b5ba18c3c576f", kill_on_drop: false }`
[INFO] [stdout] e41b4df87c0a53e601308f9bae1be6ce6632c8ccaec6d1df467b5ba18c3c576f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 028246dcc638dfc465ffcb4e5bd4f5370bcb3f2ea27e9efd383119ee8351260f
[INFO] running `Command { std: "docker" "start" "-a" "028246dcc638dfc465ffcb4e5bd4f5370bcb3f2ea27e9efd383119ee8351260f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking humantime v1.3.0
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[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking equuleus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tty.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 | ) -> Result<Box<serialport::SerialPort>> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn serialport::SerialPort`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tty.rs:164:44
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn protocols<P: AsRef<Path>>(path: P, cb: &Fn(&str) -> Result<()>) -> Result<()> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> Result<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tty.rs:185:32
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn visit_dirs(dir: &Path, cb: &Fn(&DirEntry) -> Result<()>) -> Result<()> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry) -> Result<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tty.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 | ) -> Result<Box<serialport::SerialPort>> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn serialport::SerialPort`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tty.rs:164:44
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn protocols<P: AsRef<Path>>(path: P, cb: &Fn(&str) -> Result<()>) -> Result<()> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> Result<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tty.rs:185:32
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn visit_dirs(dir: &Path, cb: &Fn(&DirEntry) -> Result<()>) -> Result<()> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry) -> Result<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `BaudRate` should have an upper case name
[INFO] [stdout]   --> src/tty.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub static ref BaudRate: Vec<u32> = vec![1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200];
[INFO] [stdout]    |                    ^^^^^^^^ help: convert the identifier to upper case: `BAUD_RATE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `DataBits` should have an upper case name
[INFO] [stdout]   --> src/tty.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub static ref DataBits: BTreeMap<&'static str, &'static str> = {
[INFO] [stdout]    |                    ^^^^^^^^ help: convert the identifier to upper case: `DATA_BITS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `FlowControl` should have an upper case name
[INFO] [stdout]   --> src/tty.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub static ref FlowControl: BTreeMap<&'static str, &'static str> = {
[INFO] [stdout]    |                    ^^^^^^^^^^^ help: convert the identifier to upper case: `FLOW_CONTROL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `Parity` should have an upper case name
[INFO] [stdout]   --> src/tty.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref Parity: BTreeMap<&'static str, &'static str> = {
[INFO] [stdout]    |                    ^^^^^^ help: convert the identifier to upper case: `PARITY`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `StopBits` should have an upper case name
[INFO] [stdout]   --> src/tty.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub static ref StopBits: BTreeMap<&'static str, &'static str> = {
[INFO] [stdout]    |                    ^^^^^^^^ help: convert the identifier to upper case: `STOP_BITS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `BaudRate` should have an upper case name
[INFO] [stdout]   --> src/tty.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub static ref BaudRate: Vec<u32> = vec![1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200];
[INFO] [stdout]    |                    ^^^^^^^^ help: convert the identifier to upper case: `BAUD_RATE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `DataBits` should have an upper case name
[INFO] [stdout]   --> src/tty.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub static ref DataBits: BTreeMap<&'static str, &'static str> = {
[INFO] [stdout]    |                    ^^^^^^^^ help: convert the identifier to upper case: `DATA_BITS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `FlowControl` should have an upper case name
[INFO] [stdout]   --> src/tty.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub static ref FlowControl: BTreeMap<&'static str, &'static str> = {
[INFO] [stdout]    |                    ^^^^^^^^^^^ help: convert the identifier to upper case: `FLOW_CONTROL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `Parity` should have an upper case name
[INFO] [stdout]   --> src/tty.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref Parity: BTreeMap<&'static str, &'static str> = {
[INFO] [stdout]    |                    ^^^^^^ help: convert the identifier to upper case: `PARITY`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `StopBits` should have an upper case name
[INFO] [stdout]   --> src/tty.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub static ref StopBits: BTreeMap<&'static str, &'static str> = {
[INFO] [stdout]    |                    ^^^^^^^^ help: convert the identifier to upper case: `STOP_BITS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.81s
[INFO] running `Command { std: "docker" "inspect" "028246dcc638dfc465ffcb4e5bd4f5370bcb3f2ea27e9efd383119ee8351260f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028246dcc638dfc465ffcb4e5bd4f5370bcb3f2ea27e9efd383119ee8351260f", kill_on_drop: false }`
[INFO] [stdout] 028246dcc638dfc465ffcb4e5bd4f5370bcb3f2ea27e9efd383119ee8351260f