[INFO] cloning repository https://github.com/ilslv/rust-incubator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ilslv/rust-incubator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filslv%2Frust-incubator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filslv%2Frust-incubator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6294833c3073b7239c37c83993931b800617587a
[INFO] testing ilslv/rust-incubator against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filslv%2Frust-incubator" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ilslv/rust-incubator on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ilslv/rust-incubator
[INFO] finished tweaking git repo https://github.com/ilslv/rust-incubator
[INFO] tweaked toml for git repo https://github.com/ilslv/rust-incubator written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate git repo https://github.com/ilslv/rust-incubator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 863c7d7ecf5ecc47dcdd54e793a59b93f98f65b26c175ec27cd834470ceb0c20
[INFO] running `Command { std: "docker" "start" "-a" "863c7d7ecf5ecc47dcdd54e793a59b93f98f65b26c175ec27cd834470ceb0c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "863c7d7ecf5ecc47dcdd54e793a59b93f98f65b26c175ec27cd834470ceb0c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863c7d7ecf5ecc47dcdd54e793a59b93f98f65b26c175ec27cd834470ceb0c20", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e086e12da321cae5a7c5f33c2b77808afdf8e3dcce0947b2890132b728915f3
[INFO] running `Command { std: "docker" "start" "-a" "5e086e12da321cae5a7c5f33c2b77808afdf8e3dcce0947b2890132b728915f3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling step_2_1 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_1_type_safety)
[INFO] [stderr]    Compiling step_2_3 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_3_bound_impl)
[INFO] [stderr]    Compiling step_1_1 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_1_default_clone_copy)
[INFO] [stderr]    Compiling step_2_4 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_4_generic_in_type_out)
[INFO] [stderr]    Compiling step_2_2 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_2_mem_replace)
[INFO] [stderr]    Compiling step_1_4 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_4_cow)
[INFO] [stderr]    Compiling step_1_3 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_3_rc_cell)
[INFO] [stderr]    Compiling step_1_6 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_6_dispatch)
[INFO] [stderr]    Compiling step_2 v0.1.0 (/opt/rustwide/workdir/2_idioms)
[INFO] [stderr]    Compiling step_1_2 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_2_box_pin)
[INFO] [stderr]    Compiling step_3_1 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_1_testing)
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[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
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[INFO] [stderr]    Compiling num-traits v0.2.12
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling tracing-core v0.1.16
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stdout] warning: associated function is never used: `from_vec`
[INFO] [stdout]   --> 1_concepts/1_1_default_clone_copy/src/main.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub fn from_vec(vec: Vec<Point>) -> Polyline {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> 1_concepts/1_1_default_clone_copy/src/main.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         pub fn len(&self) -> usize {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> 2_idioms/src/main.rs:396:10
[INFO] [stdout]     |
[INFO] [stdout] 396 |     let (machine, product, rest) = machine.get_product().unwrap();
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inset_coins`
[INFO] [stdout]    --> 2_idioms/src/main.rs:170:16
[INFO] [stdout]     |
[INFO] [stdout] 170 |         pub fn inset_coins<I: IntoIterator<Item = Coin>>(&mut self, coins: I) {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `typenum`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_main /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/typenum-1.12.0/build/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=2e8a23d2e72498ba -C extra-filename=-2e8a23d2e72498ba --out-dir /opt/rustwide/target/debug/build/typenum-2e8a23d2e72498ba -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: associated function is never used: `update_user`
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         pub fn update_user(&mut self, key: K, updated_user: User) -> Result<(), Error> {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_user`
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |         pub fn remove_user(&mut self, key: &K) -> Result<User, Error> {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_user`
[INFO] [stdout]    --> 1_concepts/1_6_dispatch/src/main.rs:126:16
[INFO] [stdout]     |
[INFO] [stdout] 126 |         pub fn update_user(&mut self, key: K, updated_user: User) -> Result<(), Error> {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_user`
[INFO] [stdout]    --> 1_concepts/1_6_dispatch/src/main.rs:136:16
[INFO] [stdout]     |
[INFO] [stdout] 136 |         pub fn remove_user(&mut self, key: &K) -> Result<User, Error> {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 1_concepts/1_2_box_pin/src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(data: String) -> Pin<Box<Self>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Body`, `Title`
[INFO] [stdout]  --> 2_idioms/2_1_type_safety/src/main.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::utils::post::{Body, Title};
[INFO] [stdout]   |                              ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleted_post`
[INFO] [stdout]    --> 2_idioms/2_1_type_safety/src/main.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let deleted_post = post.publish().allow().delete();
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleted_post`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `deny`
[INFO] [stdout]    --> 2_idioms/2_1_type_safety/src/main.rs:116:16
[INFO] [stdout]     |
[INFO] [stdout] 116 |         pub fn deny(self) -> Post<Deleted> {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5e086e12da321cae5a7c5f33c2b77808afdf8e3dcce0947b2890132b728915f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e086e12da321cae5a7c5f33c2b77808afdf8e3dcce0947b2890132b728915f3", kill_on_drop: false }`
[INFO] [stdout] 5e086e12da321cae5a7c5f33c2b77808afdf8e3dcce0947b2890132b728915f3
