[INFO] cloning repository https://github.com/Shacham6/serde_training_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shacham6/serde_training_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShacham6%2Fserde_training_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShacham6%2Fserde_training_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d65da5df5decc3c0741b1d6c78a1b2cbfe74bd0d [INFO] checking Shacham6/serde_training_rust against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShacham6%2Fserde_training_rust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Shacham6/serde_training_rust on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Shacham6/serde_training_rust [INFO] finished tweaking git repo https://github.com/Shacham6/serde_training_rust [INFO] tweaked toml for git repo https://github.com/Shacham6/serde_training_rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Shacham6/serde_training_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.18 [INFO] [stderr] Downloaded serde_yaml v0.7.1 [INFO] [stderr] Downloaded serde_derive v1.0.18 [INFO] [stderr] Downloaded serde_json v1.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5dbbaf4246d928cb5739bf29ac9119126309a9506412f6996d81439dc0d5626c [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" "5dbbaf4246d928cb5739bf29ac9119126309a9506412f6996d81439dc0d5626c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5dbbaf4246d928cb5739bf29ac9119126309a9506412f6996d81439dc0d5626c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dbbaf4246d928cb5739bf29ac9119126309a9506412f6996d81439dc0d5626c", kill_on_drop: false }` [INFO] [stdout] 5dbbaf4246d928cb5739bf29ac9119126309a9506412f6996d81439dc0d5626c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 99dce96e999616f63608f6b6e9ce06fea88f3982fdb8c919b87523d8269fba0c [INFO] running `Command { std: "docker" "start" "-a" "99dce96e999616f63608f6b6e9ce06fea88f3982fdb8c919b87523d8269fba0c", kill_on_drop: false }` [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking serde v1.0.18 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking linked-hash-map v0.4.2 [INFO] [stderr] Compiling serde_derive_internals v0.16.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Compiling serde_derive v1.0.18 [INFO] [stderr] Checking serde_json v1.0.5 [INFO] [stderr] Checking serde_yaml v0.7.1 [INFO] [stderr] Checking serde_fun v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::vec::Vec` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserialize` [INFO] [stdout] --> src/main.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | use serde::de::{Deserialize, DeserializeOwned}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_yaml::from_str as yaml_from_str` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use serde_yaml::from_str as yaml_from_str; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde` [INFO] [stdout] --> src/examples/json_example.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_derive` [INFO] [stdout] --> src/examples/json_example.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_derive; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/examples/json_example.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/examples/json_example.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::args` [INFO] [stdout] --> src/examples/json_example.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::env::args; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Error` [INFO] [stdout] --> src/examples/json_example.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserialize` [INFO] [stdout] --> src/examples/json_example.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | use serde::de::{Deserialize, DeserializeOwned}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_yaml::from_str as yaml_from_str` [INFO] [stdout] --> src/examples/json_example.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use serde_yaml::from_str as yaml_from_str; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde` [INFO] [stdout] --> src/examples/yaml_example.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_derive` [INFO] [stdout] --> src/examples/yaml_example.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_derive; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::args` [INFO] [stdout] --> src/examples/yaml_example.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::env::args; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::vec::Vec` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserialize` [INFO] [stdout] --> src/main.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | use serde::de::{Deserialize, DeserializeOwned}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_yaml::from_str as yaml_from_str` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use serde_yaml::from_str as yaml_from_str; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde` [INFO] [stdout] --> src/examples/json_example.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_derive` [INFO] [stdout] --> src/examples/json_example.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_derive; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/examples/json_example.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/examples/json_example.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::args` [INFO] [stdout] --> src/examples/json_example.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::env::args; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Error` [INFO] [stdout] --> src/examples/json_example.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserialize` [INFO] [stdout] --> src/examples/json_example.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | use serde::de::{Deserialize, DeserializeOwned}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_yaml::from_str as yaml_from_str` [INFO] [stdout] --> src/examples/json_example.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use serde_yaml::from_str as yaml_from_str; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde` [INFO] [stdout] --> src/examples/yaml_example.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_derive` [INFO] [stdout] --> src/examples/yaml_example.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_derive; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::args` [INFO] [stdout] --> src/examples/yaml_example.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::env::args; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/examples/json_example.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | read_content_of_file_to_string(filepath.as_str(), &mut string); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/examples/json_example.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | read_content_of_file_to_string(filepath.as_str(), &mut string); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.83s [INFO] running `Command { std: "docker" "inspect" "99dce96e999616f63608f6b6e9ce06fea88f3982fdb8c919b87523d8269fba0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99dce96e999616f63608f6b6e9ce06fea88f3982fdb8c919b87523d8269fba0c", kill_on_drop: false }` [INFO] [stdout] 99dce96e999616f63608f6b6e9ce06fea88f3982fdb8c919b87523d8269fba0c