[INFO] cloning repository https://github.com/alexander-irbis/cryptocopper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexander-irbis/cryptocopper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-irbis%2Fcryptocopper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-irbis%2Fcryptocopper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 421633f4d7b0f369f9fb0345f288ab18b70c5a07
[INFO] checking alexander-irbis/cryptocopper against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-irbis%2Fcryptocopper" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexander-irbis/cryptocopper on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexander-irbis/cryptocopper
[INFO] finished tweaking git repo https://github.com/alexander-irbis/cryptocopper
[INFO] tweaked toml for git repo https://github.com/alexander-irbis/cryptocopper written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/alexander-irbis/cryptocopper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7baa6957085a60ed570c8a1dd6eb8c734ddbfb5b93723bc20276fd648a0ad18
[INFO] running `Command { std: "docker" "start" "-a" "d7baa6957085a60ed570c8a1dd6eb8c734ddbfb5b93723bc20276fd648a0ad18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7baa6957085a60ed570c8a1dd6eb8c734ddbfb5b93723bc20276fd648a0ad18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7baa6957085a60ed570c8a1dd6eb8c734ddbfb5b93723bc20276fd648a0ad18", kill_on_drop: false }`
[INFO] [stdout] d7baa6957085a60ed570c8a1dd6eb8c734ddbfb5b93723bc20276fd648a0ad18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dfa96a3ba8d391325520233672b35b901b93d5ea01565de7c75fc40a04690a0
[INFO] running `Command { std: "docker" "start" "-a" "7dfa96a3ba8d391325520233672b35b901b93d5ea01565de7c75fc40a04690a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.3
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[INFO] [stderr]    Compiling proc-macro2 v1.0.27
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[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling serde_derive_internals v0.18.0
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking num-iter v0.1.34
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[INFO] [stderr]     Checking serde_json v1.0.8
[INFO] [stderr]     Checking toml v0.4.5
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[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking tokio-retry v0.1.1
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.6.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stdout]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[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 E0713`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `url`
[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]: the trait bound `BigUint: num_traits::Num` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.1.41/src/biguint.rs:916:6
[INFO] [stdout]     |
[INFO] [stdout] 916 | impl Integer for BigUint {
[INFO] [stdout]     |      ^^^^^^^ the trait `num_traits::Num` is not implemented for `BigUint`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-integer-0.1.44/src/lib.rs:37:28
[INFO] [stdout]     |
[INFO] [stdout] 37  | pub trait Integer: Sized + Num + PartialOrd + Ord + Eq {
[INFO] [stdout]     |                            --- required by this bound in `Integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `BigInt: num_traits::Num` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.1.41/src/bigint.rs:959:6
[INFO] [stdout]     |
[INFO] [stdout] 959 | impl Integer for BigInt {
[INFO] [stdout]     |      ^^^^^^^ the trait `num_traits::Num` is not implemented for `BigInt`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-integer-0.1.44/src/lib.rs:37:28
[INFO] [stdout]     |
[INFO] [stdout] 37  | pub trait Integer: Sized + Num + PartialOrd + Ord + Eq {
[INFO] [stdout]     |                            --- required by this bound in `Integer`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7dfa96a3ba8d391325520233672b35b901b93d5ea01565de7c75fc40a04690a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dfa96a3ba8d391325520233672b35b901b93d5ea01565de7c75fc40a04690a0", kill_on_drop: false }`
[INFO] [stdout] 7dfa96a3ba8d391325520233672b35b901b93d5ea01565de7c75fc40a04690a0