[INFO] cloning repository https://github.com/RCasatta/hashchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RCasatta/hashchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRCasatta%2Fhashchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRCasatta%2Fhashchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d50099e2de291691d19bd0e1b1d4b5314edcb57
[INFO] checking RCasatta/hashchain against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRCasatta%2Fhashchain" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RCasatta/hashchain on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RCasatta/hashchain
[INFO] finished tweaking git repo https://github.com/RCasatta/hashchain
[INFO] tweaked toml for git repo https://github.com/RCasatta/hashchain written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/RCasatta/hashchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86a2704c7593629d1ef03e45b2e29c07268c8136a103cf0219c8e6e2e64a85c3
[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" "86a2704c7593629d1ef03e45b2e29c07268c8136a103cf0219c8e6e2e64a85c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86a2704c7593629d1ef03e45b2e29c07268c8136a103cf0219c8e6e2e64a85c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a2704c7593629d1ef03e45b2e29c07268c8136a103cf0219c8e6e2e64a85c3", kill_on_drop: false }`
[INFO] [stdout] 86a2704c7593629d1ef03e45b2e29c07268c8136a103cf0219c8e6e2e64a85c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa1560b26e37b2c9e39ec6e4919ccfa679257b74f323ed0c09340c2c2f6d2fbf
[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" "fa1560b26e37b2c9e39ec6e4919ccfa679257b74f323ed0c09340c2c2f6d2fbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking hashchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]   --> src/main.rs:74:38
[INFO] [stdout]    |
[INFO] [stdout] 74 |         assert_eq!(HexSlice::new(sha.result()), "c0535e4be2b79ffd93291305436bf889314e4a3faec05ecffcbb7df31ad9e51a");
[INFO] [stdout]    |                                      ^^^^^^- supplied 0 arguments
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      expected 1 argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:74:34
[INFO] [stdout]    |
[INFO] [stdout] 74 |         assert_eq!(HexSlice::new(sha.result()), "c0535e4be2b79ffd93291305436bf889314e4a3faec05ecffcbb7df31ad9e51a");
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  expected reference, found `()`
[INFO] [stdout]    |                                  help: consider borrowing here: `&sha.result()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&_`
[INFO] [stdout]               found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `HexSlice<'_>`
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         assert_eq!(HexSlice::new(sha.result()), "c0535e4be2b79ffd93291305436bf889314e4a3faec05ecffcbb7df31ad9e51a");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         HexSlice<'_>
[INFO] [stdout]    |         &str
[INFO] [stdout]    |
[INFO] [stdout]    = note: an implementation of `std::cmp::PartialEq` might be missing for `HexSlice<'_>`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `HexSlice<'_>` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         assert_eq!(HexSlice::new(sha.result()), "c0535e4be2b79ffd93291305436bf889314e4a3faec05ecffcbb7df31ad9e51a");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `HexSlice<'_>` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `HexSlice<'_>`
[INFO] [stdout]    = note: add `#[derive(Debug)]` or manually implement `std::fmt::Debug`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&HexSlice<'_>`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277, E0308, E0369.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hashchain`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fa1560b26e37b2c9e39ec6e4919ccfa679257b74f323ed0c09340c2c2f6d2fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1560b26e37b2c9e39ec6e4919ccfa679257b74f323ed0c09340c2c2f6d2fbf", kill_on_drop: false }`
[INFO] [stdout] fa1560b26e37b2c9e39ec6e4919ccfa679257b74f323ed0c09340c2c2f6d2fbf
