[INFO] crate krates 0.3.0 is already in cache
[INFO] testing krates-0.3.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate krates 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate krates 0.3.0 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 krates 0.3.0
[INFO] finished tweaking crates.io crate krates 0.3.0
[INFO] tweaked toml for crates.io crate krates 0.3.0 written to /workspace/builds/worker-13/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f7b1a5cb308676f396df66d4367a006048c4b142f50282bfb65d6198854bba2
[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" "8f7b1a5cb308676f396df66d4367a006048c4b142f50282bfb65d6198854bba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f7b1a5cb308676f396df66d4367a006048c4b142f50282bfb65d6198854bba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7b1a5cb308676f396df66d4367a006048c4b142f50282bfb65d6198854bba2", kill_on_drop: false }`
[INFO] [stdout] 8f7b1a5cb308676f396df66d4367a006048c4b142f50282bfb65d6198854bba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ab34690163bba00dc59eeb42ae2ef7b2944e2d96103fe2be9d8b8b6afca04ea
[INFO] running `Command { std: "docker" "start" "-a" "9ab34690163bba00dc59eeb42ae2ef7b2944e2d96103fe2be9d8b8b6afca04ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling cfg-expr v0.4.1
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling cargo_metadata v0.10.1
[INFO] [stderr]    Compiling krates v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         &self.version
[INFO] [stdout]     |         ^^^^^^^^^^^^^ expected struct `semver::Version`, found struct `semver::version::Version`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&semver::Version`
[INFO] [stdout]                found reference `&semver::version::Version`
[INFO] [stdout]     = note: perhaps two different versions of crate `semver` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `semver::Version` with `semver::version::Version`
[INFO] [stdout]   --> src/pkgspec.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |             if vers != &krate.version {
[INFO] [stdout]    |                     ^^ no implementation for `semver::Version == semver::version::Version`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::cmp::PartialEq<semver::version::Version>` is not implemented for `semver::Version`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::cmp::PartialEq<&semver::version::Version>` for `&semver::Version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `krates`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9ab34690163bba00dc59eeb42ae2ef7b2944e2d96103fe2be9d8b8b6afca04ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab34690163bba00dc59eeb42ae2ef7b2944e2d96103fe2be9d8b8b6afca04ea", kill_on_drop: false }`
[INFO] [stdout] 9ab34690163bba00dc59eeb42ae2ef7b2944e2d96103fe2be9d8b8b6afca04ea