[INFO] cloning repository https://github.com/n-young/rust-db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n-young/rust-db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn-young%2Frust-db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn-young%2Frust-db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e91d23fa18e58a62d8d60ce0b6faed151d951f01
[INFO] checking n-young/rust-db against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn-young%2Frust-db" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n-young/rust-db on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n-young/rust-db
[INFO] finished tweaking git repo https://github.com/n-young/rust-db
[INFO] tweaked toml for git repo https://github.com/n-young/rust-db written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/n-young/rust-db already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded retain_mut v0.1.2
[INFO] [stderr]   Downloaded mac v0.0.2
[INFO] [stderr]   Downloaded pretty_assertions v0.4.1
[INFO] [stderr]   Downloaded buffer v0.1.8
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded fst v0.4.5
[INFO] [stderr]   Downloaded roaring v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a08561f181bb2e1abda69dfff896894266d0d1b9a5beb4298dbc86db39126a1
[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" "8a08561f181bb2e1abda69dfff896894266d0d1b9a5beb4298dbc86db39126a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a08561f181bb2e1abda69dfff896894266d0d1b9a5beb4298dbc86db39126a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a08561f181bb2e1abda69dfff896894266d0d1b9a5beb4298dbc86db39126a1", kill_on_drop: false }`
[INFO] [stdout] 8a08561f181bb2e1abda69dfff896894266d0d1b9a5beb4298dbc86db39126a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98e073c62050db965a3f89cd2cbb56b8f9ffe3b8f3d2f9117a7718a87d9ac406
[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" "98e073c62050db965a3f89cd2cbb56b8f9ffe3b8f3d2f9117a7718a87d9ac406", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling fst v0.4.5
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking mac v0.0.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking pretty_assertions v0.4.1
[INFO] [stderr]     Checking roaring v0.6.5
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking buffer v0.1.8
[INFO] [stderr]     Checking serde v1.0.119
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking timeseries-storage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `MapBuilder`, `Map`
[INFO] [stdout]  --> src/server/store.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fst::{Map, MapBuilder};
[INFO] [stdout]   |           ^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MapBuilder`, `Map`
[INFO] [stdout]  --> src/server/store.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fst::{Map, MapBuilder};
[INFO] [stdout]   |           ^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/server/record.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/server/store.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/server/store.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/server/store.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/server/store.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.96s
[INFO] running `Command { std: "docker" "inspect" "98e073c62050db965a3f89cd2cbb56b8f9ffe3b8f3d2f9117a7718a87d9ac406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e073c62050db965a3f89cd2cbb56b8f9ffe3b8f3d2f9117a7718a87d9ac406", kill_on_drop: false }`
[INFO] [stdout] 98e073c62050db965a3f89cd2cbb56b8f9ffe3b8f3d2f9117a7718a87d9ac406