[INFO] fetching crate helloxxxxxx 0.1.0...
[INFO] checking helloxxxxxx-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate helloxxxxxx 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate helloxxxxxx 0.1.0
[INFO] finished tweaking crates.io crate helloxxxxxx 0.1.0
[INFO] tweaked toml for crates.io crate helloxxxxxx 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate helloxxxxxx 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate helloxxxxxx 0.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec3a157b468558205228eaba95358d72ca2573467669dab6cbd9025459670e21
[INFO] running `Command { std: "docker" "start" "-a" "ec3a157b468558205228eaba95358d72ca2573467669dab6cbd9025459670e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec3a157b468558205228eaba95358d72ca2573467669dab6cbd9025459670e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3a157b468558205228eaba95358d72ca2573467669dab6cbd9025459670e21", kill_on_drop: false }`
[INFO] [stdout] ec3a157b468558205228eaba95358d72ca2573467669dab6cbd9025459670e21
[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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 198cfa30d8b45e6e4847f04c6a90c3c98c40efc9a725e28d0038bc70ba7f1144
[INFO] running `Command { std: "docker" "start" "-a" "198cfa30d8b45e6e4847f04c6a90c3c98c40efc9a725e28d0038bc70ba7f1144", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking helloxxxxxx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `NewsArticle` is never constructed
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NewsArticle{
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewsArticle` is never constructed
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NewsArticle{
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cacher` is never constructed
[INFO] [stdout]    --> src/main.rs:494:8
[INFO] [stdout]     |
[INFO] [stdout] 494 | struct Cacher<T>
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]    --> src/main.rs:504:8
[INFO] [stdout]     |
[INFO] [stdout] 501 | / impl<T> Cacher<T>
[INFO] [stdout] 502 | |     where T : Fn(u32) -> u32
[INFO] [stdout]     | |____________________________- associated items in this implementation
[INFO] [stdout] 503 |   {
[INFO] [stdout] 504 |       fn new(calculation : T) -> Cacher<T>{
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 507 |       fn value(&mut self, args: u32) -> u32{
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_workout` is never used
[INFO] [stdout]    --> src/main.rs:519:4
[INFO] [stdout]     |
[INFO] [stdout] 519 | fn generate_workout(intensity:u32, random_number:u32)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shoe` is never constructed
[INFO] [stdout]    --> src/main.rs:547:8
[INFO] [stdout]     |
[INFO] [stdout] 547 | struct Shoe{
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shoes_in_my_feet` is never used
[INFO] [stdout]    --> src/main.rs:552:4
[INFO] [stdout]     |
[INFO] [stdout] 552 | fn shoes_in_my_feet(shoes : Vec<Shoe>, size : u32) -> Vec<Shoe>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]    --> src/main.rs:576:8
[INFO] [stdout]     |
[INFO] [stdout] 576 | struct Counter{
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:580:8
[INFO] [stdout]     |
[INFO] [stdout] 579 | impl Counter {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 580 |     fn new() -> Counter{
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cacher` is never constructed
[INFO] [stdout]    --> src/main.rs:494:8
[INFO] [stdout]     |
[INFO] [stdout] 494 | struct Cacher<T>
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]    --> src/main.rs:504:8
[INFO] [stdout]     |
[INFO] [stdout] 501 | / impl<T> Cacher<T>
[INFO] [stdout] 502 | |     where T : Fn(u32) -> u32
[INFO] [stdout]     | |____________________________- associated items in this implementation
[INFO] [stdout] 503 |   {
[INFO] [stdout] 504 |       fn new(calculation : T) -> Cacher<T>{
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 507 |       fn value(&mut self, args: u32) -> u32{
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_workout` is never used
[INFO] [stdout]    --> src/main.rs:519:4
[INFO] [stdout]     |
[INFO] [stdout] 519 | fn generate_workout(intensity:u32, random_number:u32)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shoe` is never constructed
[INFO] [stdout]    --> src/main.rs:547:8
[INFO] [stdout]     |
[INFO] [stdout] 547 | struct Shoe{
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shoes_in_my_feet` is never used
[INFO] [stdout]    --> src/main.rs:552:4
[INFO] [stdout]     |
[INFO] [stdout] 552 | fn shoes_in_my_feet(shoes : Vec<Shoe>, size : u32) -> Vec<Shoe>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]    --> src/main.rs:576:8
[INFO] [stdout]     |
[INFO] [stdout] 576 | struct Counter{
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:580:8
[INFO] [stdout]     |
[INFO] [stdout] 579 | impl Counter {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 580 |     fn new() -> Counter{
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "198cfa30d8b45e6e4847f04c6a90c3c98c40efc9a725e28d0038bc70ba7f1144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198cfa30d8b45e6e4847f04c6a90c3c98c40efc9a725e28d0038bc70ba7f1144", kill_on_drop: false }`
[INFO] [stdout] 198cfa30d8b45e6e4847f04c6a90c3c98c40efc9a725e28d0038bc70ba7f1144