[INFO] fetching crate rs-cjy 0.1.5... [INFO] checking rs-cjy-0.1.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate rs-cjy 0.1.5 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate rs-cjy 0.1.5 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rs-cjy 0.1.5 [INFO] finished tweaking crates.io crate rs-cjy 0.1.5 [INFO] tweaked toml for crates.io crate rs-cjy 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate rs-cjy 0.1.5 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memchr v2.1.0 [INFO] [stderr] Downloaded cfg-if v0.1.5 [INFO] [stderr] Downloaded indexmap v1.0.2 [INFO] [stderr] Downloaded csv-core v0.1.4 [INFO] [stderr] Downloaded itoa v0.4.3 [INFO] [stderr] Downloaded ryu v0.2.6 [INFO] [stderr] Downloaded serde v1.0.79 [INFO] [stderr] Downloaded serde_json v1.0.39 [INFO] [stderr] Downloaded libc v0.2.43 [INFO] [stderr] Downloaded csv v1.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e27e74e7a59a49fce98d9c1f2e79cd84deed5f4880290d67b876391fb183e69c [INFO] running `Command { std: "docker" "start" "-a" "e27e74e7a59a49fce98d9c1f2e79cd84deed5f4880290d67b876391fb183e69c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e27e74e7a59a49fce98d9c1f2e79cd84deed5f4880290d67b876391fb183e69c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e27e74e7a59a49fce98d9c1f2e79cd84deed5f4880290d67b876391fb183e69c", kill_on_drop: false }` [INFO] [stdout] e27e74e7a59a49fce98d9c1f2e79cd84deed5f4880290d67b876391fb183e69c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 034ca223c3f6236831c4571a599e4ee46ab8d52ff5b7e57eb4a744b1b62ada3a [INFO] running `Command { std: "docker" "start" "-a" "034ca223c3f6236831c4571a599e4ee46ab8d52ff5b7e57eb4a744b1b62ada3a", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Checking csv v1.0.5 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking rs-cjy v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `create_io_error` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::create_io_error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use super::serde_json; [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `create_io_error` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::serde_json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use csv; [INFO] [stdout] | ^^^ the item `csv` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 7 | use std::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/formats/io_json.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/formats/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `create_io_error` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::create_io_error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use super::serde_json; [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `create_io_error` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::serde_json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use csv; [INFO] [stdout] | ^^^ the item `csv` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 7 | use std::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/formats/io_json.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/formats/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/formats/io_csv.rs:7:52 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn read_csv(path: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 7 | pub fn read_csv(path: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/formats/io_csv.rs:12:53 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn parse_csv(text: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 12 | pub fn parse_csv(text: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/formats/io_csv.rs:7:52 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn read_csv(path: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 7 | pub fn read_csv(path: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/formats/io_csv.rs:12:53 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn parse_csv(text: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 12 | pub fn parse_csv(text: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.75s [INFO] running `Command { std: "docker" "inspect" "034ca223c3f6236831c4571a599e4ee46ab8d52ff5b7e57eb4a744b1b62ada3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "034ca223c3f6236831c4571a599e4ee46ab8d52ff5b7e57eb4a744b1b62ada3a", kill_on_drop: false }` [INFO] [stdout] 034ca223c3f6236831c4571a599e4ee46ab8d52ff5b7e57eb4a744b1b62ada3a [INFO] checking rs-cjy-0.1.5 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate rs-cjy 0.1.5 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate rs-cjy 0.1.5 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rs-cjy 0.1.5 [INFO] finished tweaking crates.io crate rs-cjy 0.1.5 [INFO] tweaked toml for crates.io crate rs-cjy 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate rs-cjy 0.1.5 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e8616f68c1dad254b82a5f32630ec2219dc211f8e243a615a55c4c5550cae10d [INFO] running `Command { std: "docker" "start" "-a" "e8616f68c1dad254b82a5f32630ec2219dc211f8e243a615a55c4c5550cae10d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8616f68c1dad254b82a5f32630ec2219dc211f8e243a615a55c4c5550cae10d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8616f68c1dad254b82a5f32630ec2219dc211f8e243a615a55c4c5550cae10d", kill_on_drop: false }` [INFO] [stdout] e8616f68c1dad254b82a5f32630ec2219dc211f8e243a615a55c4c5550cae10d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba7b10ddffe0309be442ce3da524b153829ed821a49f23a2d67d74928e98cee2 [INFO] running `Command { std: "docker" "start" "-a" "ba7b10ddffe0309be442ce3da524b153829ed821a49f23a2d67d74928e98cee2", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking csv v1.0.5 [INFO] [stderr] Checking rs-cjy v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `create_io_error` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::create_io_error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use super::serde_json; [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `create_io_error` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::serde_json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use csv; [INFO] [stdout] | ^^^ the item `csv` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 7 | use std::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/formats/io_json.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/formats/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/formats/io_csv.rs:7:52 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn read_csv(path: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 7 | pub fn read_csv(path: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/formats/io_csv.rs:12:53 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn parse_csv(text: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 12 | pub fn parse_csv(text: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `create_io_error` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::create_io_error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use super::serde_json; [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `create_io_error` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::serde_json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use csv; [INFO] [stdout] | ^^^ the item `csv` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/formats/data_struct.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 7 | use std::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/formats/io_json.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/formats/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/formats/io_csv.rs:7:52 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn read_csv(path: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 7 | pub fn read_csv(path: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/formats/io_csv.rs:12:53 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn parse_csv(text: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 12 | pub fn parse_csv(text: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s [INFO] running `Command { std: "docker" "inspect" "ba7b10ddffe0309be442ce3da524b153829ed821a49f23a2d67d74928e98cee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba7b10ddffe0309be442ce3da524b153829ed821a49f23a2d67d74928e98cee2", kill_on_drop: false }` [INFO] [stdout] ba7b10ddffe0309be442ce3da524b153829ed821a49f23a2d67d74928e98cee2