[INFO] fetching crate merkle_light 0.4.0...
[INFO] testing merkle_light-0.4.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate merkle_light 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate merkle_light 0.4.0
[INFO] finished tweaking crates.io crate merkle_light 0.4.0
[INFO] tweaked toml for crates.io crate merkle_light 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merkle_light 0.4.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate merkle_light 0.4.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.81
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded getrandom v0.2.7
[INFO] [stderr]   Downloaded quote v1.0.20
[INFO] [stderr]   Downloaded cc v1.0.73
[INFO] [stderr]   Downloaded proc-macro2 v1.0.40
[INFO] [stderr]   Downloaded js-sys v0.3.58
[INFO] [stderr]   Downloaded bumpalo v3.10.0
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded unicode-ident v1.0.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.81
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.81
[INFO] [stderr]   Downloaded once_cell v1.12.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.81
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]   Downloaded syn v1.0.98
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded untrusted v0.7.1
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded web-sys v0.3.58
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] [stderr]   Downloaded ring v0.16.20
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6deba7499537ca68d25f59b23646481dc4f04cd671782cce13ffba0e220d848
[INFO] running `Command { std: "docker" "start" "-a" "d6deba7499537ca68d25f59b23646481dc4f04cd671782cce13ffba0e220d848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6deba7499537ca68d25f59b23646481dc4f04cd671782cce13ffba0e220d848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6deba7499537ca68d25f59b23646481dc4f04cd671782cce13ffba0e220d848", kill_on_drop: false }`
[INFO] [stdout] d6deba7499537ca68d25f59b23646481dc4f04cd671782cce13ffba0e220d848
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cf1af5a7facbc7994c39fa954150278eb7a95d14b8f8c1e0e2154b35b1c5fcc
[INFO] running `Command { std: "docker" "start" "-a" "9cf1af5a7facbc7994c39fa954150278eb7a95d14b8f8c1e0e2154b35b1c5fcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkle_light v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]    --> src/lib.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 | #![cfg_attr(feature="nightly", allow(unstable_features))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `bitcoin`, `chaincore`, `crypto_bench`, `default`, `rand`, `ring`, `rust-crypto`, and `std`
[INFO] [stdout]     = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/hash_impl.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |         if mem::size_of::<Self>() == mem::size_of::<usize>() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:149:19
[INFO] [stdout]     |
[INFO] [stdout] 149 |     missing_docs, unused_qualifications,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 163 -         if mem::size_of::<Self>() == mem::size_of::<usize>() {
[INFO] [stdout] 163 +         if size_of::<Self>() == mem::size_of::<usize>() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/hash_impl.rs:163:38
[INFO] [stdout]     |
[INFO] [stdout] 163 |         if mem::size_of::<Self>() == mem::size_of::<usize>() {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 163 -         if mem::size_of::<Self>() == mem::size_of::<usize>() {
[INFO] [stdout] 163 +         if mem::size_of::<Self>() == size_of::<usize>() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/hash_impl.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 |         if mem::size_of::<Self>() == mem::size_of::<usize>() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 178 -         if mem::size_of::<Self>() == mem::size_of::<usize>() {
[INFO] [stdout] 178 +         if size_of::<Self>() == mem::size_of::<usize>() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/hash_impl.rs:178:38
[INFO] [stdout]     |
[INFO] [stdout] 178 |         if mem::size_of::<Self>() == mem::size_of::<usize>() {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 178 -         if mem::size_of::<Self>() == mem::size_of::<usize>() {
[INFO] [stdout] 178 +         if mem::size_of::<Self>() == size_of::<usize>() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merkle_light` (lib) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9cf1af5a7facbc7994c39fa954150278eb7a95d14b8f8c1e0e2154b35b1c5fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf1af5a7facbc7994c39fa954150278eb7a95d14b8f8c1e0e2154b35b1c5fcc", kill_on_drop: false }`
[INFO] [stdout] 9cf1af5a7facbc7994c39fa954150278eb7a95d14b8f8c1e0e2154b35b1c5fcc
