[INFO] fetching crate stable-hash 0.4.3...
[INFO] checking stable-hash-0.4.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate stable-hash 0.4.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate stable-hash 0.4.3
[INFO] finished tweaking crates.io crate stable-hash 0.4.3
[INFO] tweaked toml for crates.io crate stable-hash 0.4.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stable-hash 0.4.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding blake3 v0.3.8 (available: v1.8.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding uint v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uint v0.8.5
[INFO] [stderr]   Downloaded ibig v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3140883a401e58d916fa6167878bd736432a19a370fa41546031bedadec9a0f9
[INFO] running `Command { std: "docker" "start" "-a" "3140883a401e58d916fa6167878bd736432a19a370fa41546031bedadec9a0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3140883a401e58d916fa6167878bd736432a19a370fa41546031bedadec9a0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3140883a401e58d916fa6167878bd736432a19a370fa41546031bedadec9a0f9", kill_on_drop: false }`
[INFO] [stdout] 3140883a401e58d916fa6167878bd736432a19a370fa41546031bedadec9a0f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ccba78aa18e6222cfce93bbf2d6cb79577703b3b951df57ae80e459ba2b147e
[INFO] running `Command { std: "docker" "start" "-a" "5ccba78aa18e6222cfce93bbf2d6cb79577703b3b951df57ae80e459ba2b147e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking firestorm v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ibig v0.3.6
[INFO] [stderr]     Checking stable-hash v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `utils::check_for_child_errors`
[INFO] [stdout]  --> tests/common/mod.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use stable_hash::{fast_stable_hash, utils::check_for_child_errors};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `R` is never used
[INFO] [stdout]   --> tests/profiling.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | trait R {
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]    --> tests/profiling.rs:143:6
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum Value {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `C` is never constructed
[INFO] [stdout]    --> tests/profiling.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 181 | struct C {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]    --> tests/profiling.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 | struct A {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]    --> tests/profiling.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | struct B {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "5ccba78aa18e6222cfce93bbf2d6cb79577703b3b951df57ae80e459ba2b147e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ccba78aa18e6222cfce93bbf2d6cb79577703b3b951df57ae80e459ba2b147e", kill_on_drop: false }`
[INFO] [stdout] 5ccba78aa18e6222cfce93bbf2d6cb79577703b3b951df57ae80e459ba2b147e