[INFO] cloning repository https://github.com/Jim124/rust-fundamental [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jim124/rust-fundamental" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJim124%2Frust-fundamental", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJim124%2Frust-fundamental'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6d8558e5587fb989c44726dce911a4e6fca03cbf [INFO] checking Jim124/rust-fundamental against try#51b1964e35e5e26f8cd938940f0da6f7b5cc54fc for pr-138176 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJim124%2Frust-fundamental" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jim124/rust-fundamental on toolchain 51b1964e35e5e26f8cd938940f0da6f7b5cc54fc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Jim124/rust-fundamental [INFO] finished tweaking git repo https://github.com/Jim124/rust-fundamental [INFO] tweaked toml for git repo https://github.com/Jim124/rust-fundamental written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Jim124/rust-fundamental 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" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking Jim124/rust-fundamental against try#51b1964e35e5e26f8cd938940f0da6f7b5cc54fc for pr-138176 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJim124%2Frust-fundamental" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jim124/rust-fundamental on toolchain 51b1964e35e5e26f8cd938940f0da6f7b5cc54fc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Jim124/rust-fundamental [INFO] finished tweaking git repo https://github.com/Jim124/rust-fundamental [INFO] tweaked toml for git repo https://github.com/Jim124/rust-fundamental written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Jim124/rust-fundamental 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" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7fcdbfc3bae2b3ebe29787145f17d912b5ed0f80fba859c6b2c9d7d3c89a5358 [INFO] running `Command { std: "docker" "start" "-a" "7fcdbfc3bae2b3ebe29787145f17d912b5ed0f80fba859c6b2c9d7d3c89a5358", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fcdbfc3bae2b3ebe29787145f17d912b5ed0f80fba859c6b2c9d7d3c89a5358", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fcdbfc3bae2b3ebe29787145f17d912b5ed0f80fba859c6b2c9d7d3c89a5358", kill_on_drop: false }` [INFO] [stdout] 7fcdbfc3bae2b3ebe29787145f17d912b5ed0f80fba859c6b2c9d7d3c89a5358 [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb4b5f0f2e5c49c7348af24e8c876116e8081e8d2523f3c2329d1e4322d7f6fc [INFO] running `Command { std: "docker" "start" "-a" "eb4b5f0f2e5c49c7348af24e8c876116e8081e8d2523f3c2329d1e4322d7f6fc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.168 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking chrono v0.4.39 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking uuid v1.11.0 [INFO] [stderr] Checking rust-fundamental v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `opt1` is never read [INFO] [stdout] --> src/optiontest.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | let mut opt1 :Option = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `opt1` is never read [INFO] [stdout] --> src/optiontest.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | let mut opt1 :Option = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optiontest.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | let mut opt1 :Option =None; [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/optiontest.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | let mut opt1 :Option =None; [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: unused variable: `cat` [INFO] [stdout] --> src/test_trait.rs:43:7 [INFO] [stdout] | [INFO] [stdout] 43 | let cat = Cat{}; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cat` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cat` [INFO] [stdout] --> src/test_trait.rs:43:7 [INFO] [stdout] | [INFO] [stdout] 43 | let cat = Cat{}; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cat` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `another_stock_List` [INFO] [stdout] --> src/myHashmap.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | let mut another_stock_List = HashMap::::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_stock_List` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `another_stock_List` [INFO] [stdout] --> src/myHashmap.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | let mut another_stock_List = HashMap::::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_stock_List` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/myHashmap.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | let mut another_stock_List = HashMap::::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/myHashmap.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | let mut another_stock_List = HashMap::::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new` is never read [INFO] [stdout] --> src/my_borrow.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | let mut new = original; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new` is never read [INFO] [stdout] --> src/my_borrow.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | let mut new = original; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> src/my_thread.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | let mut x = 0u128; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> src/my_thread.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | let mut x = 0u128; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `first_name` is never read [INFO] [stdout] --> src/closures.rs:2:3 [INFO] [stdout] | [INFO] [stdout] 1 | struct Person{ [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 2 | first_name:String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `manufacture`, `model`, and `year` are never read [INFO] [stdout] --> src/structs.rs:27:3 [INFO] [stdout] | [INFO] [stdout] 26 | struct Vehicle{ [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 27 | manufacture:String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 28 | model:String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 29 | year:u16, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Vehicle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `model` is never read [INFO] [stdout] --> src/myvec.rs:33:3 [INFO] [stdout] | [INFO] [stdout] 31 | struct Car{ [INFO] [stdout] | --- field in this struct [INFO] [stdout] 32 | manufacture:String, [INFO] [stdout] 33 | model:String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Car` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `myHashmap` should have a snake case name [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub mod myHashmap; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `my_hashmap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `first_name` is never read [INFO] [stdout] --> src/closures.rs:2:3 [INFO] [stdout] | [INFO] [stdout] 1 | struct Person{ [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 2 | first_name:String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `manufacture`, `model`, and `year` are never read [INFO] [stdout] --> src/structs.rs:27:3 [INFO] [stdout] | [INFO] [stdout] 26 | struct Vehicle{ [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 27 | manufacture:String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 28 | model:String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 29 | year:u16, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Vehicle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `model` is never read [INFO] [stdout] --> src/myvec.rs:33:3 [INFO] [stdout] | [INFO] [stdout] 31 | struct Car{ [INFO] [stdout] | --- field in this struct [INFO] [stdout] 32 | manufacture:String, [INFO] [stdout] 33 | model:String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Car` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `myHashmap` should have a snake case name [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub mod myHashmap; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `my_hashmap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `another_stock_List` should have a snake case name [INFO] [stdout] --> src/myHashmap.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | let mut another_stock_List = HashMap::::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `another_stock_list` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `another_stock_List` should have a snake case name [INFO] [stdout] --> src/myHashmap.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | let mut another_stock_List = HashMap::::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `another_stock_list` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/my_channel.rs:10:3 [INFO] [stdout] | [INFO] [stdout] 10 | transmitter.send(152); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 10 | let _ = transmitter.send(152); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/my_channel.rs:10:3 [INFO] [stdout] | [INFO] [stdout] 10 | transmitter.send(152); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 10 | let _ = transmitter.send(152); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/my_channel.rs:39:2 [INFO] [stdout] | [INFO] [stdout] 39 | thread::spawn(processor_code).join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = thread::spawn(processor_code).join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/my_channel.rs:39:2 [INFO] [stdout] | [INFO] [stdout] 39 | thread::spawn(processor_code).join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = thread::spawn(processor_code).join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.61s [INFO] running `Command { std: "docker" "inspect" "eb4b5f0f2e5c49c7348af24e8c876116e8081e8d2523f3c2329d1e4322d7f6fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb4b5f0f2e5c49c7348af24e8c876116e8081e8d2523f3c2329d1e4322d7f6fc", kill_on_drop: false }` [INFO] [stdout] eb4b5f0f2e5c49c7348af24e8c876116e8081e8d2523f3c2329d1e4322d7f6fc