[INFO] fetching crate total-order-multi-map 0.4.6...
[INFO] checking total-order-multi-map-0.4.6 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate total-order-multi-map 0.4.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate total-order-multi-map 0.4.6 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate total-order-multi-map 0.4.6
[INFO] finished tweaking crates.io crate total-order-multi-map 0.4.6
[INFO] tweaked toml for crates.io crate total-order-multi-map 0.4.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate total-order-multi-map 0.4.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abd794b3da7e27d2997b1ef87b78a30d7fbdf10949115388b5c2bd85cb489271
[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" "abd794b3da7e27d2997b1ef87b78a30d7fbdf10949115388b5c2bd85cb489271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abd794b3da7e27d2997b1ef87b78a30d7fbdf10949115388b5c2bd85cb489271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd794b3da7e27d2997b1ef87b78a30d7fbdf10949115388b5c2bd85cb489271", kill_on_drop: false }`
[INFO] [stdout] abd794b3da7e27d2997b1ef87b78a30d7fbdf10949115388b5c2bd85cb489271
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 045e944fc85e1176193af22d8b3a0f9f52a647c7f5f1dd04051c4d37ec63b70d
[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" "045e944fc85e1176193af22d8b3a0f9f52a647c7f5f1dd04051c4d37ec63b70d", kill_on_drop: false }`
[INFO] [stderr]     Checking vec-drain-where v1.0.0
[INFO] [stderr]     Checking total-order-multi-map v0.4.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/entry.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let dio: Box<Debug> = match self.map_access_entry {
[INFO] [stdout]    |                      ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/entry.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let dio: Box<Debug> = match self.map_access_entry {
[INFO] [stdout]    |                      ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:880:62
[INFO] [stdout]     |
[INFO] [stdout] 880 |         let mut map = TotalOrderMultiMap::<&'static str, Box<Debug>>::new();
[INFO] [stdout]     |                                                              ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/entry.rs:102:22
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Occupied(mut oe) => {
[INFO] [stdout]     |                      ----^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/entry.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let mut mut_vec = oe.into_mut();
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/from_readme.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Value = Box<Display>;
[INFO] [stdout]    |                  ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/from_readme.rs:68:33
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn mk_box_str(inp: &str) -> Box<Display> {
[INFO] [stdout]    |                                 ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/from_readme.rs:83:35
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn mk_my_thingy(inp: &str) -> Box<Display> {
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/entry.rs:102:22
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Occupied(mut oe) => {
[INFO] [stdout]     |                      ----^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/entry.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let mut mut_vec = oe.into_mut();
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "045e944fc85e1176193af22d8b3a0f9f52a647c7f5f1dd04051c4d37ec63b70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "045e944fc85e1176193af22d8b3a0f9f52a647c7f5f1dd04051c4d37ec63b70d", kill_on_drop: false }`
[INFO] [stdout] 045e944fc85e1176193af22d8b3a0f9f52a647c7f5f1dd04051c4d37ec63b70d