[INFO] fetching crate pbkdf2 0.7.3...
[INFO] checking pbkdf2-0.7.3 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate pbkdf2 0.7.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pbkdf2 0.7.3 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pbkdf2 0.7.3
[INFO] finished tweaking crates.io crate pbkdf2 0.7.3
[INFO] tweaked toml for crates.io crate pbkdf2 0.7.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex-literal v0.3.1
[INFO] [stderr]   Downloaded crypto-mac v0.10.0
[INFO] [stderr]   Downloaded block-buffer v0.9.0
[INFO] [stderr]   Downloaded generic-array v0.14.4
[INFO] [stderr]   Downloaded base64ct v0.2.1
[INFO] [stderr]   Downloaded base64ct v1.0.0
[INFO] [stderr]   Downloaded password-hash v0.1.2
[INFO] [stderr]   Downloaded sha-1 v0.9.4
[INFO] [stderr]   Downloaded digest v0.9.0
[INFO] [stderr]   Downloaded opaque-debug v0.3.0
[INFO] [stderr]   Downloaded sha2 v0.9.3
[INFO] [stderr]   Downloaded hmac v0.10.1
[INFO] [stderr]   Downloaded cpuid-bool v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf3b65938071e8f5ca5d29fefaa04773a0448dc09de7c57d6cf23faaa15d60b7
[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" "cf3b65938071e8f5ca5d29fefaa04773a0448dc09de7c57d6cf23faaa15d60b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf3b65938071e8f5ca5d29fefaa04773a0448dc09de7c57d6cf23faaa15d60b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3b65938071e8f5ca5d29fefaa04773a0448dc09de7c57d6cf23faaa15d60b7", kill_on_drop: false }`
[INFO] [stdout] cf3b65938071e8f5ca5d29fefaa04773a0448dc09de7c57d6cf23faaa15d60b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d6d2646ea9f92f6a8252d7d3232e87425d09b8539d0eee0e561979a34d88f4
[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" "e7d6d2646ea9f92f6a8252d7d3232e87425d09b8539d0eee0e561979a34d88f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking base64ct v0.2.1
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking password-hash v0.1.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking pbkdf2 v0.7.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `HasherError`
[INFO] [stdout]    --> src/simple.rs:237:57
[INFO] [stdout]     |
[INFO] [stdout] 237 |                 if Base64::decode(count, &mut count_arr)?.len() != 4 {
[INFO] [stdout]     |                                                         ^ the trait `From<base64ct::Error>` is not implemented for `HasherError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]     = help: the following implementations were found:
[INFO] [stdout]               <HasherError as From<B64Error>>
[INFO] [stdout]               <HasherError as From<OutputError>>
[INFO] [stdout]               <HasherError as From<ParamsError>>
[INFO] [stdout]               <HasherError as From<ParseError>>
[INFO] [stdout]               <HasherError as From<base64ct::errors::InvalidLengthError>>
[INFO] [stdout]     = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pbkdf2`
[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] [stdout] error[E0277]: `?` couldn't convert the error to `HasherError`
[INFO] [stdout]    --> src/simple.rs:237:57
[INFO] [stdout]     |
[INFO] [stdout] 237 |                 if Base64::decode(count, &mut count_arr)?.len() != 4 {
[INFO] [stdout]     |                                                         ^ the trait `From<base64ct::Error>` is not implemented for `HasherError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]     = help: the following implementations were found:
[INFO] [stdout]               <HasherError as From<B64Error>>
[INFO] [stdout]               <HasherError as From<OutputError>>
[INFO] [stdout]               <HasherError as From<ParamsError>>
[INFO] [stdout]               <HasherError as From<ParseError>>
[INFO] [stdout]               <HasherError as From<base64ct::errors::InvalidLengthError>>
[INFO] [stdout]     = note: required by `from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e7d6d2646ea9f92f6a8252d7d3232e87425d09b8539d0eee0e561979a34d88f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d6d2646ea9f92f6a8252d7d3232e87425d09b8539d0eee0e561979a34d88f4", kill_on_drop: false }`
[INFO] [stdout] e7d6d2646ea9f92f6a8252d7d3232e87425d09b8539d0eee0e561979a34d88f4