[INFO] cloning repository https://github.com/jeffrey-xiao/hash-rings-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffrey-xiao/hash-rings-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffrey-xiao%2Fhash-rings-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffrey-xiao%2Fhash-rings-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78b459660ca2d83a2317db8c3bf7b066bec6f141
[INFO] checking jeffrey-xiao/hash-rings-rs against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffrey-xiao%2Fhash-rings-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeffrey-xiao/hash-rings-rs on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeffrey-xiao/hash-rings-rs
[INFO] finished tweaking git repo https://github.com/jeffrey-xiao/hash-rings-rs
[INFO] tweaked toml for git repo https://github.com/jeffrey-xiao/hash-rings-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cecf20976f88ace0dc6dc2b393c7c1aee67a675369a0687a2d8f77052647dc4
[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" "1cecf20976f88ace0dc6dc2b393c7c1aee67a675369a0687a2d8f77052647dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cecf20976f88ace0dc6dc2b393c7c1aee67a675369a0687a2d8f77052647dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cecf20976f88ace0dc6dc2b393c7c1aee67a675369a0687a2d8f77052647dc4", kill_on_drop: false }`
[INFO] [stdout] 1cecf20976f88ace0dc6dc2b393c7c1aee67a675369a0687a2d8f77052647dc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8dbb3e82a3e9179e6adf976735f88575b1eb4c34efa530d19665cc3518e485b
[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" "b8dbb3e82a3e9179e6adf976735f88575b1eb4c34efa530d19665cc3518e485b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking hash-rings v1.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/maglev.rs (1 fix)
[INFO] [stderr]        Fixed src/mpc.rs (1 fix)
[INFO] [stderr]    Migrating examples/ring.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/bench.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/client.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/consistent.rs (1 fix)
[INFO] [stderr]        Fixed src/rendezvous.rs (1 fix)
[INFO] [stderr]        Fixed src/weighted_rendezvous.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.34s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking hash-rings v1.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "b8dbb3e82a3e9179e6adf976735f88575b1eb4c34efa530d19665cc3518e485b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8dbb3e82a3e9179e6adf976735f88575b1eb4c34efa530d19665cc3518e485b", kill_on_drop: false }`
[INFO] [stdout] b8dbb3e82a3e9179e6adf976735f88575b1eb4c34efa530d19665cc3518e485b