[INFO] cloning repository https://github.com/Mollemoll/swedish_whist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mollemoll/swedish_whist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMollemoll%2Fswedish_whist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMollemoll%2Fswedish_whist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ec17e03c07085e9b577df136e4cfb69be7608b7
[INFO] building Mollemoll/swedish_whist against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMollemoll%2Fswedish_whist" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mollemoll/swedish_whist on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mollemoll/swedish_whist
[INFO] finished tweaking git repo https://github.com/Mollemoll/swedish_whist
[INFO] tweaked toml for git repo https://github.com/Mollemoll/swedish_whist written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Mollemoll/swedish_whist already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d22e855f630181b66e31eabfdfec9055d8abb8dc37b543fc59a5e5e22eee73a
[INFO] running `Command { std: "docker" "start" "-a" "0d22e855f630181b66e31eabfdfec9055d8abb8dc37b543fc59a5e5e22eee73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d22e855f630181b66e31eabfdfec9055d8abb8dc37b543fc59a5e5e22eee73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d22e855f630181b66e31eabfdfec9055d8abb8dc37b543fc59a5e5e22eee73a", kill_on_drop: false }`
[INFO] [stdout] 0d22e855f630181b66e31eabfdfec9055d8abb8dc37b543fc59a5e5e22eee73a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aed93ff8c901d76fb5c65d3a7c36fb254a4b09e2a72c85ad27cd72ef1075abf
[INFO] running `Command { std: "docker" "start" "-a" "3aed93ff8c901d76fb5c65d3a7c36fb254a4b09e2a72c85ad27cd72ef1075abf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling swedish_whist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::game::lobby::Lobby`
[INFO] [stdout]  --> src/game.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::game::lobby::Lobby;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Player<'a>` is more private than the item `Lobby::players`
[INFO] [stdout]   --> src/game/lobby.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     pub(crate) players: Vec<Player<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Lobby::players` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Player<'a>` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/game.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Player<'a> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `del_user`, `change_team`, and `unready` are never used
[INFO] [stdout]   --> src/game/lobby.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> Lobby<'a> {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn del_user(&mut self, user: &'a User) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn change_team(&mut self, user: &'a User, team: Team) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn unready(&mut self, user: &'a User) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/deck.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Deck {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len` and `cards` are never used
[INFO] [stdout]   --> src/hand.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Hand {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn cards(&self) -> &Vec<Card> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "3aed93ff8c901d76fb5c65d3a7c36fb254a4b09e2a72c85ad27cd72ef1075abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aed93ff8c901d76fb5c65d3a7c36fb254a4b09e2a72c85ad27cd72ef1075abf", kill_on_drop: false }`
[INFO] [stdout] 3aed93ff8c901d76fb5c65d3a7c36fb254a4b09e2a72c85ad27cd72ef1075abf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56da71b95af78df12874466999edd8e6320176b52910dbd9b0c7b55f2d89b3bb
[INFO] running `Command { std: "docker" "start" "-a" "56da71b95af78df12874466999edd8e6320176b52910dbd9b0c7b55f2d89b3bb", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::game::lobby::Lobby`
[INFO] [stdout]  --> src/game.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::game::lobby::Lobby;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Player<'a>` is more private than the item `Lobby::players`
[INFO] [stdout]   --> src/game/lobby.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     pub(crate) players: Vec<Player<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Lobby::players` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Player<'a>` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/game.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Player<'a> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `del_user`, `change_team`, and `unready` are never used
[INFO] [stdout]   --> src/game/lobby.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> Lobby<'a> {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn del_user(&mut self, user: &'a User) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn change_team(&mut self, user: &'a User, team: Team) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn unready(&mut self, user: &'a User) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/deck.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Deck {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling swedish_whist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `len` and `cards` are never used
[INFO] [stdout]   --> src/hand.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Hand {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn cards(&self) -> &Vec<Card> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::bid_round::BidRound`
[INFO] [stdout]   --> src/game.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use crate::game::bid_round::BidRound;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `game::Player<'a>` is more private than the item `lobby::Lobby::players`
[INFO] [stdout]   --> src/game/lobby.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     pub(crate) players: Vec<Player<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `lobby::Lobby::players` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `game::Player<'a>` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/game.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Player<'a> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "56da71b95af78df12874466999edd8e6320176b52910dbd9b0c7b55f2d89b3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56da71b95af78df12874466999edd8e6320176b52910dbd9b0c7b55f2d89b3bb", kill_on_drop: false }`
[INFO] [stdout] 56da71b95af78df12874466999edd8e6320176b52910dbd9b0c7b55f2d89b3bb