[INFO] cloning repository https://github.com/veeso/dip721-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/veeso/dip721-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveeso%2Fdip721-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveeso%2Fdip721-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65107e942d1f7f96f45a24ac3909e16eaab5071a
[INFO] checking veeso/dip721-rs against try#6284d7b4bd27983dba388146648ab844ca7d032f for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveeso%2Fdip721-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/veeso/dip721-rs
[INFO] finished tweaking git repo https://github.com/veeso/dip721-rs
[INFO] tweaked toml for git repo https://github.com/veeso/dip721-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/veeso/dip721-rs on toolchain 6284d7b4bd27983dba388146648ab844ca7d032f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/veeso/dip721-rs 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" "+6284d7b4bd27983dba388146648ab844ca7d032f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ic_principal v0.1.1
[INFO] [stderr]   Downloaded stacker v0.1.15
[INFO] [stderr]   Downloaded ic-cdk v0.12.1
[INFO] [stderr]   Downloaded cpufeatures v0.2.9
[INFO] [stderr]   Downloaded serde_tokenstream v0.1.7
[INFO] [stderr]   Downloaded candid v0.10.7
[INFO] [stderr]   Downloaded ic0 v0.21.1
[INFO] [stderr]   Downloaded ic-cdk-macros v0.8.4
[INFO] [stderr]   Downloaded rustversion v1.0.15
[INFO] [stderr]   Downloaded async-trait v0.1.76
[INFO] [stderr]   Downloaded pretty v0.12.3
[INFO] [stderr]   Downloaded ic-stable-structures v0.6.3
[INFO] [stderr]   Downloaded binread_derive v2.1.0
[INFO] [stderr]   Downloaded binread v2.2.0
[INFO] [stderr]   Downloaded candid_derive v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 806ff2cd160188928d8285c330e2e66dbb5a9b52086afda88642ab305e9577e4
[INFO] running `Command { std: "docker" "start" "-a" "806ff2cd160188928d8285c330e2e66dbb5a9b52086afda88642ab305e9577e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "806ff2cd160188928d8285c330e2e66dbb5a9b52086afda88642ab305e9577e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806ff2cd160188928d8285c330e2e66dbb5a9b52086afda88642ab305e9577e4", kill_on_drop: false }`
[INFO] [stdout] 806ff2cd160188928d8285c330e2e66dbb5a9b52086afda88642ab305e9577e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7261de308ff8725f84dc63131d807aef4ff6d28007e16172e15176edbe33a25
[INFO] running `Command { std: "docker" "start" "-a" "c7261de308ff8725f84dc63131d807aef4ff6d28007e16172e15176edbe33a25", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling pretty v0.12.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling async-trait v0.1.76
[INFO] [stderr]     Checking ic0 v0.21.1
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling serde_bytes v0.11.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling candid_derive v0.6.6
[INFO] [stderr]    Compiling ic_principal v0.1.1
[INFO] [stderr]     Checking ic-stable-structures v0.6.3
[INFO] [stderr]    Compiling serde_tokenstream v0.1.7
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]     Checking candid v0.10.7
[INFO] [stderr]    Compiling ic-cdk-macros v0.8.4
[INFO] [stderr]     Checking ic-cdk v0.12.1
[INFO] [stderr]     Checking dip721-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/data.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn to_bytes(&self) -> std::borrow::Cow<[u8]> {
[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] 51 |     fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/event.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn to_bytes(&self) -> std::borrow::Cow<[u8]> {
[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] 20 |     fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/data.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn to_bytes(&self) -> std::borrow::Cow<[u8]> {
[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] 51 |     fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/event.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn to_bytes(&self) -> std::borrow::Cow<[u8]> {
[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] 20 |     fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.83s
[INFO] running `Command { std: "docker" "inspect" "c7261de308ff8725f84dc63131d807aef4ff6d28007e16172e15176edbe33a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7261de308ff8725f84dc63131d807aef4ff6d28007e16172e15176edbe33a25", kill_on_drop: false }`
[INFO] [stdout] c7261de308ff8725f84dc63131d807aef4ff6d28007e16172e15176edbe33a25