[INFO] updating cached repository https://github.com/kiwistrongis/dsrex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b45bb197094d1329ce631241a8480e4a6549292
[INFO] checking kiwistrongis/dsrex against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiwistrongis%2Fdsrex" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  50% (22/44)   
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Checking out files: 100% (44/44), done.
[INFO] validating manifest of git repo https://github.com/kiwistrongis/dsrex on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kiwistrongis/dsrex
[INFO] finished tweaking git repo https://github.com/kiwistrongis/dsrex
[INFO] tweaked toml for git repo https://github.com/kiwistrongis/dsrex written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/kiwistrongis/dsrex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97d23b29c6bdac1c786ce5fff139cbf66388401cb59c5f0735c8a987e84b7f29
[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" "97d23b29c6bdac1c786ce5fff139cbf66388401cb59c5f0735c8a987e84b7f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97d23b29c6bdac1c786ce5fff139cbf66388401cb59c5f0735c8a987e84b7f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d23b29c6bdac1c786ce5fff139cbf66388401cb59c5f0735c8a987e84b7f29", kill_on_drop: false }`
[INFO] [stdout] 97d23b29c6bdac1c786ce5fff139cbf66388401cb59c5f0735c8a987e84b7f29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60cf7be3b637f92c8f99ead31e1d0eb3abb2023682bfcf7a68a6b47560cb9bb4
[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" "60cf7be3b637f92c8f99ead31e1d0eb3abb2023682bfcf7a68a6b47560cb9bb4", kill_on_drop: false }`
[INFO] [stderr]     Checking dsrex v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]  --> src/util.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::{ Hash, Hasher, SipHasher};
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]   --> src/util.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut hasher = SipHasher::new();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]  --> src/util.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::{ Hash, Hasher, SipHasher};
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]   --> src/util.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut hasher = SipHasher::new();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]   --> src/util.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut hasher = SipHasher::new();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]   --> src/util.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut hasher = SipHasher::new();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "60cf7be3b637f92c8f99ead31e1d0eb3abb2023682bfcf7a68a6b47560cb9bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60cf7be3b637f92c8f99ead31e1d0eb3abb2023682bfcf7a68a6b47560cb9bb4", kill_on_drop: false }`
[INFO] [stdout] 60cf7be3b637f92c8f99ead31e1d0eb3abb2023682bfcf7a68a6b47560cb9bb4