[INFO] crate objecthash 0.4.1 is already in cache
[INFO] testing objecthash-0.4.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate objecthash 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate objecthash 0.4.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate objecthash 0.4.1
[INFO] finished tweaking crates.io crate objecthash 0.4.1
[INFO] tweaked toml for crates.io crate objecthash 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8b2f3c0e7073333647bc154904f4044319f370c3e615d6a213bec68f5bb35db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b8b2f3c0e7073333647bc154904f4044319f370c3e615d6a213bec68f5bb35db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8b2f3c0e7073333647bc154904f4044319f370c3e615d6a213bec68f5bb35db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b2f3c0e7073333647bc154904f4044319f370c3e615d6a213bec68f5bb35db", kill_on_drop: false }`
[INFO] [stdout] b8b2f3c0e7073333647bc154904f4044319f370c3e615d6a213bec68f5bb35db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b367eff2646a603b4850f2361bef7354e8e1dad7a086ec7e25df728fe2d921f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b367eff2646a603b4850f2361bef7354e8e1dad7a086ec7e25df728fe2d921f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling objecthash v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0615]: attempted to take value of method `algorithm` on type `hasher::ring::ring::digest::Context`
[INFO] [stdout]   --> src/hasher/ring.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.ctx.algorithm.output_len
[INFO] [stdout]    |                  ^^^^^^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.ctx.algorithm().output_len
[INFO] [stdout]    |                           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `algorithm` on type `hasher::ring::ring::digest::Context`
[INFO] [stdout]   --> src/hasher/ring.rs:37:54
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut nested_hasher = Hasher::new(self.ctx.algorithm);
[INFO] [stdout]    |                                                      ^^^^^^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut nested_hasher = Hasher::new(self.ctx.algorithm());
[INFO] [stdout]    |                                                               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0615`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `objecthash`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b367eff2646a603b4850f2361bef7354e8e1dad7a086ec7e25df728fe2d921f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b367eff2646a603b4850f2361bef7354e8e1dad7a086ec7e25df728fe2d921f6", kill_on_drop: false }`
[INFO] [stdout] b367eff2646a603b4850f2361bef7354e8e1dad7a086ec7e25df728fe2d921f6