[INFO] cloning repository https://github.com/derenv/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derenv/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderenv%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderenv%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af889ff864f179b0771cbda48056044f591f40ef
[INFO] testing derenv/hello-rust against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderenv%2Fhello-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/derenv/hello-rust on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/derenv/hello-rust
[INFO] finished tweaking git repo https://github.com/derenv/hello-rust
[INFO] tweaked toml for git repo https://github.com/derenv/hello-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/derenv/hello-rust 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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d6062755906bd49034ec5b2666441ac5f0a5c9d4045ab62572ac47f9af2841f
[INFO] running `Command { std: "docker" "start" "-a" "5d6062755906bd49034ec5b2666441ac5f0a5c9d4045ab62572ac47f9af2841f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d6062755906bd49034ec5b2666441ac5f0a5c9d4045ab62572ac47f9af2841f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6062755906bd49034ec5b2666441ac5f0a5c9d4045ab62572ac47f9af2841f", kill_on_drop: false }`
[INFO] [stdout] 5d6062755906bd49034ec5b2666441ac5f0a5c9d4045ab62572ac47f9af2841f
[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 -Copt-level=3" "-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" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac142bdfa0ce68db3e3d6c222e79aba2613b885f34b8b6da8b852e575b300a11
[INFO] running `Command { std: "docker" "start" "-a" "ac142bdfa0ce68db3e3d6c222e79aba2613b885f34b8b6da8b852e575b300a11", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.111
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling hello_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "ac142bdfa0ce68db3e3d6c222e79aba2613b885f34b8b6da8b852e575b300a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac142bdfa0ce68db3e3d6c222e79aba2613b885f34b8b6da8b852e575b300a11", kill_on_drop: false }`
[INFO] [stdout] ac142bdfa0ce68db3e3d6c222e79aba2613b885f34b8b6da8b852e575b300a11
[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 -Copt-level=3" "-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" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0faec72ba20f04773e60ae0ed36dfb77aedcb7477d50dc53791c2ef38069a294
[INFO] running `Command { std: "docker" "start" "-a" "0faec72ba20f04773e60ae0ed36dfb77aedcb7477d50dc53791c2ef38069a294", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `hello_rust` is imported redundantly
[INFO] [stdout]  --> tests/example_integration_tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hello_rust;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `hello_rust` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]    --> src/main.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |     use super::*;
[INFO] [stdout]     |         -------- the item `Ordering` is already imported here
[INFO] [stdout] 228 |     use std::cmp::Ordering;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "0faec72ba20f04773e60ae0ed36dfb77aedcb7477d50dc53791c2ef38069a294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0faec72ba20f04773e60ae0ed36dfb77aedcb7477d50dc53791c2ef38069a294", kill_on_drop: false }`
[INFO] [stdout] 0faec72ba20f04773e60ae0ed36dfb77aedcb7477d50dc53791c2ef38069a294
[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 -Copt-level=3" "-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" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d427eaebbd487b41e1768ddc6d37fa25705c99d77fc91b12ddadbae10d5480d3
[INFO] running `Command { std: "docker" "start" "-a" "d427eaebbd487b41e1768ddc6d37fa25705c99d77fc91b12ddadbae10d5480d3", kill_on_drop: false }`
[INFO] [stderr] warning: the item `hello_rust` is imported redundantly
[INFO] [stderr]  --> tests/example_integration_tests.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use hello_rust;
[INFO] [stderr]   |     ^^^^^^^^^^ the item `hello_rust` is already defined here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Ordering` is imported redundantly
[INFO] [stderr]    --> src/main.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 227 |     use super::*;
[INFO] [stderr]     |         -------- the item `Ordering` is already imported here
[INFO] [stderr] 228 |     use std::cmp::Ordering;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hello_rust` (test "example_integration_tests") generated 1 warning
[INFO] [stderr] warning: `hello_rust` (bin "hello_rust" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello_rust-dce6520aad4806ee)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_rust-affaad5cdda376ab)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::unit_test_1 ... ok
[INFO] [stdout] test tests::unit_test_bc_loop ... ok
[INFO] [stdout] test tests::unit_test_number_matching ... ok
[INFO] [stdout] test tests::unit_test_for_loop ... ok
[INFO] [stdout] test tests::unit_test_string_matching_eq ... ok
[INFO] [stdout] test tests::unit_test_string_matching_in ... ok
[INFO] [stdout] test tests::unit_test_variables ... ok
[INFO] [stdout] test tests::unit_test_while_loop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/example_integration_tests.rs (/opt/rustwide/target/debug/deps/example_integration_tests-f39f4cabd4e7d1e2)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test example_inegration_test ... ok
[INFO] [stdout] test test_generate_number_inclusive ... ok
[INFO] [stdout] test test_generate_number_exclusive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hello_rust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d427eaebbd487b41e1768ddc6d37fa25705c99d77fc91b12ddadbae10d5480d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d427eaebbd487b41e1768ddc6d37fa25705c99d77fc91b12ddadbae10d5480d3", kill_on_drop: false }`
[INFO] [stdout] d427eaebbd487b41e1768ddc6d37fa25705c99d77fc91b12ddadbae10d5480d3