[INFO] fetching crate pro_env 3.0.0-rc2...
[INFO] testing pro_env-3.0.0-rc2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate pro_env 3.0.0-rc2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pro_env 3.0.0-rc2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pro_env 3.0.0-rc2
[INFO] finished tweaking crates.io crate pro_env 3.0.0-rc2
[INFO] tweaked toml for crates.io crate pro_env 3.0.0-rc2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5a1c4bbd356b9c7297e4ffdf2f1094daed87080a5b2b5c0ea4edd23053e6eb0
[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" "d5a1c4bbd356b9c7297e4ffdf2f1094daed87080a5b2b5c0ea4edd23053e6eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5a1c4bbd356b9c7297e4ffdf2f1094daed87080a5b2b5c0ea4edd23053e6eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a1c4bbd356b9c7297e4ffdf2f1094daed87080a5b2b5c0ea4edd23053e6eb0", kill_on_drop: false }`
[INFO] [stdout] d5a1c4bbd356b9c7297e4ffdf2f1094daed87080a5b2b5c0ea4edd23053e6eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 271fa293463f7860a4cc75163c41fed02723d3c4b25278bd8f653b54520e0323
[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" "271fa293463f7860a4cc75163c41fed02723d3c4b25278bd8f653b54520e0323", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling pro_prelude v3.0.0-rc2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling tetsy-scale-info-derive v0.3.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling pro_allocator v3.0.0-rc2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling impl-serde v0.3.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling tetsy-scale-codec-derive v2.0.1
[INFO] [stderr]    Compiling tetsy-scale-codec v2.0.1
[INFO] [stderr]    Compiling tetsy-scale-info v0.5.1
[INFO] [stderr]    Compiling pro_primitives v3.0.0-rc2
[INFO] [stderr]    Compiling pro_metadata v3.0.0-rc2
[INFO] [stderr]    Compiling pro_env v3.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chain_extension.rs:383:18
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 |mut output| {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.63s
[INFO] running `Command { std: "docker" "inspect" "271fa293463f7860a4cc75163c41fed02723d3c4b25278bd8f653b54520e0323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271fa293463f7860a4cc75163c41fed02723d3c4b25278bd8f653b54520e0323", kill_on_drop: false }`
[INFO] [stdout] 271fa293463f7860a4cc75163c41fed02723d3c4b25278bd8f653b54520e0323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be43461fec9f2cb087483dfc9bb9265a5bc38073113f9a059b06b8b4ef52db21
[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" "be43461fec9f2cb087483dfc9bb9265a5bc38073113f9a059b06b8b4ef52db21", kill_on_drop: false }`
[INFO] [stderr]    Compiling pro_env v3.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chain_extension.rs:383:18
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 |mut output| {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chain_extension.rs:383:18
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 |mut output| {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "be43461fec9f2cb087483dfc9bb9265a5bc38073113f9a059b06b8b4ef52db21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be43461fec9f2cb087483dfc9bb9265a5bc38073113f9a059b06b8b4ef52db21", kill_on_drop: false }`
[INFO] [stdout] be43461fec9f2cb087483dfc9bb9265a5bc38073113f9a059b06b8b4ef52db21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 482042f0c1dbd44061ba1db289a1cdbe5b68317454b6196fd552043abef4999d
[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" "482042f0c1dbd44061ba1db289a1cdbe5b68317454b6196fd552043abef4999d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/chain_extension.rs:383:18
[INFO] [stderr]     |
[INFO] [stderr] 383 |                 |mut output| {
[INFO] [stderr]     |                  ----^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pro_env` (lib) generated 1 warning
[INFO] [stderr] warning: `pro_env` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pro_env-105385d06b21b42d)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test arithmetic::tests::saturating_add ... ok
[INFO] [stdout] test arithmetic::tests::saturating_mul ... ok
[INFO] [stdout] test arithmetic::tests::saturatiung_sub ... ok
[INFO] [stdout] test arithmetic::tests::saturating_pow ... ok
[INFO] [stdout] test call::execution_input::tests::empty_args_works ... ok
[INFO] [stdout] test call::execution_input::tests::empty_exec_input_works ... ok
[INFO] [stdout] test call::execution_input::tests::multiple_arguments_works ... ok
[INFO] [stdout] test call::execution_input::tests::single_argument_works ... ok
[INFO] [stdout] test engine::off_chain::tests::gas_price ... ok
[INFO] [stdout] test engine::off_chain::tests::key_add ... ok
[INFO] [stdout] test engine::off_chain::tests::key_add_sub ... ok
[INFO] [stdout] test engine::off_chain::tests::store_load_clear ... ok
[INFO] [stdout] test tests::test_hash_blake2_128 ... ok
[INFO] [stdout] test tests::test_hash_sha2_256 ... ok
[INFO] [stdout] test tests::test_hash_blake2_256 ... ok
[INFO] [stdout] test tests::test_hash_keccak_256 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pro_env
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/api.rs - api::hash_encoded (line 526) ... ok
[INFO] [stdout] test src/chain_extension.rs - chain_extension::ChainExtensionMethod<I, Result<T, E>, state::IgnoreErrorCode>::call (line 303) ... ok
[INFO] [stdout] test src/chain_extension.rs - chain_extension::ChainExtensionMethod<I, state::NoResult<O>, state::IgnoreErrorCode>::call (line 414) ... ok
[INFO] [stdout] test src/call/create_builder.rs - call::create_builder::build_create (line 165) ... ok
[INFO] [stdout] test src/chain_extension.rs - chain_extension::ChainExtensionMethod<I, state::NoResult<O>, state::HandleErrorCode<ErrorCode>>::call (line 361) ... ok
[INFO] [stdout] test src/call/call_builder.rs - call::call_builder::build_call (line 175) ... ok
[INFO] [stdout] test src/chain_extension.rs - chain_extension::ChainExtensionMethod<I, Result<T, E>, state::HandleErrorCode<ErrorCode>>::call (line 242) ... ok
[INFO] [stdout] test src/call/call_builder.rs - call::call_builder::build_call (line 140) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "482042f0c1dbd44061ba1db289a1cdbe5b68317454b6196fd552043abef4999d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482042f0c1dbd44061ba1db289a1cdbe5b68317454b6196fd552043abef4999d", kill_on_drop: false }`
[INFO] [stdout] 482042f0c1dbd44061ba1db289a1cdbe5b68317454b6196fd552043abef4999d
