[INFO] cloning repository https://github.com/dfinity/bitcoin-canister
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dfinity/bitcoin-canister" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfinity%2Fbitcoin-canister", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfinity%2Fbitcoin-canister'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd965eaff1fd637799aa9c9c214d44d0bace9f86
[INFO] checking dfinity/bitcoin-canister against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfinity%2Fbitcoin-canister" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/dfinity/bitcoin-canister
[INFO] finished tweaking git repo https://github.com/dfinity/bitcoin-canister
[INFO] tweaked toml for git repo https://github.com/dfinity/bitcoin-canister written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dfinity/bitcoin-canister on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dfinity/bitcoin-canister 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ic-cdk v0.15.1
[INFO] [stderr]   Downloaded datasize v0.2.15
[INFO] [stderr]   Downloaded ic-cdk-macros v0.15.0
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[INFO] [stderr]   Downloaded ic-transport-types v0.36.0
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[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded logos-derive v0.12.1
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[INFO] [stderr]   Downloaded ic0 v0.18.11
[INFO] [stderr]   Downloaded ic-metrics-encoder v1.1.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e15736d965d703b15ea67f03db5a96cbc1f149889e8fa2c73d07d496eb3bafc2
[INFO] running `Command { std: "docker" "start" "-a" "e15736d965d703b15ea67f03db5a96cbc1f149889e8fa2c73d07d496eb3bafc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e15736d965d703b15ea67f03db5a96cbc1f149889e8fa2c73d07d496eb3bafc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15736d965d703b15ea67f03db5a96cbc1f149889e8fa2c73d07d496eb3bafc2", kill_on_drop: false }`
[INFO] [stdout] e15736d965d703b15ea67f03db5a96cbc1f149889e8fa2c73d07d496eb3bafc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 806ad2e661f355f8a06dac8656e3e1a6b94ec923621a2fb944e0192e42ed565a
[INFO] running `Command { std: "docker" "start" "-a" "806ad2e661f355f8a06dac8656e3e1a6b94ec923621a2fb944e0192e42ed565a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling syn v2.0.75
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[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]     Checking parking_lot_core v0.9.10
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[INFO] [stderr]    Compiling bitcoin-io v0.1.3
[INFO] [stderr]    Compiling bitcoin-internals v0.3.0
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[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rustls v0.23.12
[INFO] [stderr]     Checking clap_lex v0.7.2
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[INFO] [stderr]    Compiling candid_derive v0.5.0
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[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking errno v0.2.8
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[INFO] [stderr]    Compiling termcolor v1.4.1
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[INFO] [stderr]    Compiling lalrpop v0.20.2
[INFO] [stderr]     Checking group v0.12.1
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[INFO] [stderr]    Compiling logos v0.12.1
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[INFO] [stderr]    Compiling serde_tokenstream v0.1.7
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[INFO] [stderr]     Checking primeorder v0.13.6
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[INFO] [stderr]    Compiling logos-derive v0.13.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
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[INFO] [stderr]     Checking rand_xorshift v0.1.1
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[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
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[INFO] [stderr]    Compiling schemars v0.8.21
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[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking ic-btc-validation v0.1.0 (/opt/rustwide/workdir/validation)
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[INFO] [stderr]     Checking ic-btc-types v0.1.0 (/opt/rustwide/workdir/types)
[INFO] [stderr]     Checking pem v2.0.1
[INFO] [stderr]     Checking ed25519-consensus v2.1.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> types/src/lib.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn to_bytes(&self) -> 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] 243 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> types/src/lib.rs:366:17
[INFO] [stdout]     |
[INFO] [stdout] 366 |     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] 366 |     fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ic-btc-test-utils v0.1.0 (/opt/rustwide/workdir/test-utils)
[INFO] [stderr]     Checking ic-btc-canister v0.1.0 (/opt/rustwide/workdir/canister)
[INFO] [stderr]     Checking backoff v0.4.0
[INFO] [stderr]    Compiling schemars_derive v0.8.21
[INFO] [stderr]     Checking cached v0.46.1
[INFO] [stderr]     Checking k256 v0.13.3
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking ic-transport-types v0.36.0
[INFO] [stderr]     Checking simple_asn1 v0.6.2
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]    Compiling structmeta-derive v0.2.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]     Checking ic-agent v0.36.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> canister/src/blocktree.rs:230:24
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn blockchains(&self) -> Vec<BlockChain> {
[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] 230 |     pub fn blockchains(&self) -> Vec<BlockChain<'_>> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> canister/src/types.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn to_bytes(&self) -> 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] 136 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> canister/src/types.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |     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] 158 |     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]    --> canister/src/types.rs:305:17
[INFO] [stdout]     |
[INFO] [stdout] 305 |     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] 305 |     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]    --> canister/src/unstable_blocks.rs:308:31
[INFO] [stdout]     |
[INFO] [stdout] 308 | pub fn get_main_chain(blocks: &UnstableBlocks) -> BlockChain {
[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] 308 | pub fn get_main_chain(blocks: &UnstableBlocks) -> BlockChain<'_> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking ic-transport-types v0.37.1
[INFO] [stderr]    Compiling structmeta v0.2.0
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling test-strategy v0.3.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking pocket-ic v6.0.0
[INFO] [stderr]     Checking state-builder v0.1.0 (/opt/rustwide/workdir/bootstrap/state-builder)
[INFO] [stderr]     Checking benchmarks v0.1.0 (/opt/rustwide/workdir/benchmarks)
[INFO] [stderr]     Checking scenario-1 v0.1.0 (/opt/rustwide/workdir/e2e-tests/scenario-1)
[INFO] [stderr]     Checking scenario-2 v0.1.0 (/opt/rustwide/workdir/e2e-tests/scenario-2)
[INFO] [stderr]     Checking scenario-3 v0.1.0 (/opt/rustwide/workdir/e2e-tests/scenario-3)
[INFO] [stderr]     Checking disable-api-if-not-fully-synced-flag v0.1.0 (/opt/rustwide/workdir/e2e-tests/disable-api-if-not-fully-synced-flag)
[INFO] [stderr]     Checking canister_backend v0.1.0 (/opt/rustwide/workdir/ic-http/example_canister/src/canister_backend)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> types/src/lib.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn to_bytes(&self) -> 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] 243 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> types/src/lib.rs:366:17
[INFO] [stdout]     |
[INFO] [stdout] 366 |     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] 366 |     fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling candid v0.8.4
[INFO] [stderr]    Compiling candid_parser v0.1.4
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> canister/src/blocktree.rs:230:24
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn blockchains(&self) -> Vec<BlockChain> {
[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] 230 |     pub fn blockchains(&self) -> Vec<BlockChain<'_>> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> canister/src/types.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn to_bytes(&self) -> 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] 136 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> canister/src/types.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |     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] 158 |     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]    --> canister/src/types.rs:305:17
[INFO] [stdout]     |
[INFO] [stdout] 305 |     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] 305 |     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]    --> canister/src/unstable_blocks.rs:308:31
[INFO] [stdout]     |
[INFO] [stdout] 308 | pub fn get_main_chain(blocks: &UnstableBlocks) -> BlockChain {
[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] 308 | pub fn get_main_chain(blocks: &UnstableBlocks) -> BlockChain<'_> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> canister/src/utxo_set/utxos.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn iter(&self) -> Iter<Memory> {
[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] 146 |     pub fn iter(&self) -> Iter<'_, Memory> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ic-cdk-macros v0.6.10
[INFO] [stderr]     Checking ic-cdk v0.7.4
[INFO] [stderr]     Checking ic-cdk-timers v0.1.2
[INFO] [stderr]     Checking watchdog v0.1.0 (/opt/rustwide/workdir/watchdog)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 00s
[INFO] running `Command { std: "docker" "inspect" "806ad2e661f355f8a06dac8656e3e1a6b94ec923621a2fb944e0192e42ed565a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806ad2e661f355f8a06dac8656e3e1a6b94ec923621a2fb944e0192e42ed565a", kill_on_drop: false }`
[INFO] [stdout] 806ad2e661f355f8a06dac8656e3e1a6b94ec923621a2fb944e0192e42ed565a
