[INFO] cloning repository https://github.com/dinowernli/marvin [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dinowernli/marvin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinowernli%2Fmarvin", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinowernli%2Fmarvin'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23542259fb7998ddf26a6c45d7c05debb18f204b [INFO] checking dinowernli/marvin against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinowernli%2Fmarvin" "/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/dinowernli/marvin on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dinowernli/marvin [INFO] finished tweaking git repo https://github.com/dinowernli/marvin [INFO] tweaked toml for git repo https://github.com/dinowernli/marvin written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/dinowernli/marvin already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.1.8 [INFO] [stderr] Downloaded winapi v0.2.4 [INFO] [stderr] Downloaded rand v0.3.11 [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ff029ba6f6edd3b1911cc4db9ed6040d83e2daa4687c95f0387c7a4a58ceaa76 [INFO] running `Command { std: "docker" "start" "-a" "ff029ba6f6edd3b1911cc4db9ed6040d83e2daa4687c95f0387c7a4a58ceaa76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff029ba6f6edd3b1911cc4db9ed6040d83e2daa4687c95f0387c7a4a58ceaa76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff029ba6f6edd3b1911cc4db9ed6040d83e2daa4687c95f0387c7a4a58ceaa76", kill_on_drop: false }` [INFO] [stdout] ff029ba6f6edd3b1911cc4db9ed6040d83e2daa4687c95f0387c7a4a58ceaa76 [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9445185065f3eb44f59fa6ea67eadb69449eb230c55abe063c4fac81734078b9 [INFO] running `Command { std: "docker" "start" "-a" "9445185065f3eb44f59fa6ea67eadb69449eb230c55abe063c4fac81734078b9", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.4 [INFO] [stderr] Checking libc v0.1.8 [INFO] [stderr] Compiling advapi32-sys v0.1.2 [INFO] [stderr] Checking log v0.3.2 [INFO] [stderr] Checking rand v0.3.11 [INFO] [stderr] Checking ai v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | #[macro_use] extern crate log; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/agent.rs:36:18 [INFO] [stdout] | [INFO] [stdout] 36 | predictor: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/agent.rs:40:25 [INFO] [stdout] | [INFO] [stdout] 40 | explorer_factory: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExplorerFactory` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/agent.rs:56:22 [INFO] [stdout] | [INFO] [stdout] 56 | predictor: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/agent.rs:57:29 [INFO] [stdout] | [INFO] [stdout] 57 | explorer_factory: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExplorerFactory` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/environment/environment.rs:43:19 [INFO] [stdout] | [INFO] [stdout] 43 | random: &'a mut Random, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Random` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/environment/environment.rs:54:30 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn new(random: &'a mut Random) -> CoinFlip<'a> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Random` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/explorer_factory.rs:32:33 [INFO] [stdout] | [INFO] [stdout] 32 | &self, predictor: &'a mut Predictor) -> Box; [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/explorer_factory.rs:32:51 [INFO] [stdout] | [INFO] [stdout] 32 | &self, predictor: &'a mut Predictor) -> Box; [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Explorer + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/explorer_factory.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | &self) -> Box; [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn Explorer` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/explorer_factory.rs:45:33 [INFO] [stdout] | [INFO] [stdout] 45 | &self, predictor: &'a mut Predictor) -> Box { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/explorer_factory.rs:45:51 [INFO] [stdout] | [INFO] [stdout] 45 | &self, predictor: &'a mut Predictor) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Explorer + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/explorer_factory.rs:49:43 [INFO] [stdout] | [INFO] [stdout] 49 | fn create_random_explorer(&self) -> Box { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn Explorer` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/monte_carlo_explorer.rs:28:22 [INFO] [stdout] | [INFO] [stdout] 28 | predictor: &'a mut Predictor, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/monte_carlo_explorer.rs:32:30 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn new(predictor: &mut Predictor) -> MonteCarloExplorer { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/random_explorer.rs:28:15 [INFO] [stdout] | [INFO] [stdout] 28 | random: Box [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Random` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/random_explorer.rs:32:26 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn new(random: Box) -> RandomExplorer { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Random` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | #[macro_use] extern crate log; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/agent.rs:36:18 [INFO] [stdout] | [INFO] [stdout] 36 | predictor: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/agent.rs:40:25 [INFO] [stdout] | [INFO] [stdout] 40 | explorer_factory: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExplorerFactory` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/agent.rs:56:22 [INFO] [stdout] | [INFO] [stdout] 56 | predictor: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/agent.rs:57:29 [INFO] [stdout] | [INFO] [stdout] 57 | explorer_factory: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExplorerFactory` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/environment/environment.rs:43:19 [INFO] [stdout] | [INFO] [stdout] 43 | random: &'a mut Random, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Random` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/environment/environment.rs:54:30 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn new(random: &'a mut Random) -> CoinFlip<'a> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Random` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/explorer_factory.rs:32:33 [INFO] [stdout] | [INFO] [stdout] 32 | &self, predictor: &'a mut Predictor) -> Box; [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/explorer_factory.rs:32:51 [INFO] [stdout] | [INFO] [stdout] 32 | &self, predictor: &'a mut Predictor) -> Box; [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Explorer + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/explorer_factory.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | &self) -> Box; [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn Explorer` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/explorer_factory.rs:45:33 [INFO] [stdout] | [INFO] [stdout] 45 | &self, predictor: &'a mut Predictor) -> Box { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/explorer_factory.rs:45:51 [INFO] [stdout] | [INFO] [stdout] 45 | &self, predictor: &'a mut Predictor) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Explorer + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/explorer_factory.rs:49:43 [INFO] [stdout] | [INFO] [stdout] 49 | fn create_random_explorer(&self) -> Box { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn Explorer` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/monte_carlo_explorer.rs:28:22 [INFO] [stdout] | [INFO] [stdout] 28 | predictor: &'a mut Predictor, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/monte_carlo_explorer.rs:32:30 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn new(predictor: &mut Predictor) -> MonteCarloExplorer { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/random_explorer.rs:28:15 [INFO] [stdout] | [INFO] [stdout] 28 | random: Box [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Random` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/explorer/random_explorer.rs:32:26 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn new(random: Box) -> RandomExplorer { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Random` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/agent_test.rs:82:30 [INFO] [stdout] | [INFO] [stdout] 82 | &self, predictor: &mut Predictor) -> Box { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Predictor` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/agent_test.rs:82:48 [INFO] [stdout] | [INFO] [stdout] 82 | &self, predictor: &mut Predictor) -> Box { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn Explorer` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/agent_test.rs:87:43 [INFO] [stdout] | [INFO] [stdout] 87 | fn create_random_explorer(&self) -> Box { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn Explorer` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `predictor` [INFO] [stdout] --> src/explorer/monte_carlo_explorer.rs:28:3 [INFO] [stdout] | [INFO] [stdout] 28 | predictor: &'a mut Predictor, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `predictor` [INFO] [stdout] --> src/explorer/monte_carlo_explorer.rs:28:3 [INFO] [stdout] | [INFO] [stdout] 28 | predictor: &'a mut Predictor, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/predictor/context_tree_test.rs:123:38 [INFO] [stdout] | [INFO] [stdout] 123 | assert!(-tol < diff && diff < tol, message); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 123 | assert!(-tol < diff && diff < tol, "{}", message); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.59s [INFO] running `Command { std: "docker" "inspect" "9445185065f3eb44f59fa6ea67eadb69449eb230c55abe063c4fac81734078b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9445185065f3eb44f59fa6ea67eadb69449eb230c55abe063c4fac81734078b9", kill_on_drop: false }` [INFO] [stdout] 9445185065f3eb44f59fa6ea67eadb69449eb230c55abe063c4fac81734078b9