[INFO] cloning repository https://github.com/vickyqb/stable_structure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vickyqb/stable_structure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvickyqb%2Fstable_structure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvickyqb%2Fstable_structure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4f0aa0d911dc01e400ec5d087ce957fe11f7a56
[INFO] checking vickyqb/stable_structure against try#0c70cfbec949d241375e31c5a42066be70c720fc for pr-149681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvickyqb%2Fstable_structure" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vickyqb/stable_structure
[INFO] finished tweaking git repo https://github.com/vickyqb/stable_structure
[INFO] tweaked toml for git repo https://github.com/vickyqb/stable_structure written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vickyqb/stable_structure on toolchain 0c70cfbec949d241375e31c5a42066be70c720fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vickyqb/stable_structure 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" "+0c70cfbec949d241375e31c5a42066be70c720fc" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2be4eb2f79634fe09ce2780af863d69fea2e5fd411778e777fa2b1c57e33da91
[INFO] running `Command { std: "docker" "start" "-a" "2be4eb2f79634fe09ce2780af863d69fea2e5fd411778e777fa2b1c57e33da91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2be4eb2f79634fe09ce2780af863d69fea2e5fd411778e777fa2b1c57e33da91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be4eb2f79634fe09ce2780af863d69fea2e5fd411778e777fa2b1c57e33da91", kill_on_drop: false }`
[INFO] [stdout] 2be4eb2f79634fe09ce2780af863d69fea2e5fd411778e777fa2b1c57e33da91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 751225dea1559dfdce85d52999db309a5a3f032e83dfc015bd1cba0c90314391
[INFO] running `Command { std: "docker" "start" "-a" "751225dea1559dfdce85d52999db309a5a3f032e83dfc015bd1cba0c90314391", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling data-encoding v2.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling pretty v0.12.3
[INFO] [stderr]     Checking ic0 v0.23.0
[INFO] [stderr]     Checking slotmap v1.0.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling psm v0.1.24
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling candid_derive v0.6.6
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking ic_principal v0.1.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking ic-stable-structures v0.6.7
[INFO] [stderr]    Compiling serde_tokenstream v0.2.2
[INFO] [stderr]     Checking candid v0.10.12
[INFO] [stderr]    Compiling ic-cdk-macros v0.16.0
[INFO] [stderr]     Checking ic-cdk v0.16.0
[INFO] [stderr]     Checking ic-cdk-timers v0.10.0
[INFO] [stderr]     Checking stable_structure_backend v0.1.0 (/opt/rustwide/workdir/src/stable_structure_backend)
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]   --> src/stable_structure_backend/src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Entry {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[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/stable_structure_backend/src/lib.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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[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: struct `Entry` is never constructed
[INFO] [stdout]   --> src/stable_structure_backend/src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Entry {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[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/stable_structure_backend/src/lib.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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[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 29.02s
[INFO] running `Command { std: "docker" "inspect" "751225dea1559dfdce85d52999db309a5a3f032e83dfc015bd1cba0c90314391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751225dea1559dfdce85d52999db309a5a3f032e83dfc015bd1cba0c90314391", kill_on_drop: false }`
[INFO] [stdout] 751225dea1559dfdce85d52999db309a5a3f032e83dfc015bd1cba0c90314391
