[INFO] fetching crate smolset 1.3.1...
[INFO] testing smolset-1.3.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate smolset 1.3.1 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate smolset 1.3.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smolset 1.3.1
[INFO] finished tweaking crates.io crate smolset 1.3.1
[INFO] tweaked toml for crates.io crate smolset 1.3.1 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15b8b680cd244d3cb9b5c016ca7a380ff3f71b14060c36516163f5880f0fcec1
[INFO] running `Command { std: "docker" "start" "-a" "15b8b680cd244d3cb9b5c016ca7a380ff3f71b14060c36516163f5880f0fcec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15b8b680cd244d3cb9b5c016ca7a380ff3f71b14060c36516163f5880f0fcec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b8b680cd244d3cb9b5c016ca7a380ff3f71b14060c36516163f5880f0fcec1", kill_on_drop: false }`
[INFO] [stdout] 15b8b680cd244d3cb9b5c016ca7a380ff3f71b14060c36516163f5880f0fcec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9e9fbea3adc2287958f362adb8440b154692f87028e99aac4f6acee203a2b70
[INFO] running `Command { std: "docker" "start" "-a" "d9e9fbea3adc2287958f362adb8440b154692f87028e99aac4f6acee203a2b70", kill_on_drop: false }`
[INFO] [stderr]    Compiling smolset v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "d9e9fbea3adc2287958f362adb8440b154692f87028e99aac4f6acee203a2b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e9fbea3adc2287958f362adb8440b154692f87028e99aac4f6acee203a2b70", kill_on_drop: false }`
[INFO] [stdout] d9e9fbea3adc2287958f362adb8440b154692f87028e99aac4f6acee203a2b70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00edf6909b362d600855c3b7102ce24e933b0ff119ed3b1b476beb086a48c7d1
[INFO] running `Command { std: "docker" "start" "-a" "00edf6909b362d600855c3b7102ce24e933b0ff119ed3b1b476beb086a48c7d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling smolset v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "00edf6909b362d600855c3b7102ce24e933b0ff119ed3b1b476beb086a48c7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00edf6909b362d600855c3b7102ce24e933b0ff119ed3b1b476beb086a48c7d1", kill_on_drop: false }`
[INFO] [stdout] 00edf6909b362d600855c3b7102ce24e933b0ff119ed3b1b476beb086a48c7d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f1cb205454b36ba4f71eef2859aa603926a27803184b27f055ec77932935336a
[INFO] running `Command { std: "docker" "start" "-a" "f1cb205454b36ba4f71eef2859aa603926a27803184b27f055ec77932935336a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/smolset-62b4f42a5d824a61)
[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 tests/test.rs (/opt/rustwide/target/debug/deps/test-ecf47c996aa18795)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test_basic_set ... ok
[INFO] [stdout] test test_clone ... ok
[INFO] [stdout] test test_debug_small ... ok
[INFO] [stdout] test test_difference ... ok
[INFO] [stdout] test test_from_iter ... ok
[INFO] [stdout] test test_eq_stack_heap ... ok
[INFO] [stderr]    Doc-tests smolset
[INFO] [stdout] test test_eq_both_heap ... ok
[INFO] [stdout] test test_eq_both_stack ... ok
[INFO] [stdout] test test_intersection ... ok
[INFO] [stdout] test test_remove ... ok
[INFO] [stdout] test test_replace ... ok
[INFO] [stdout] test test_symmetric_difference ... ok
[INFO] [stdout] test test_ref_into_iter ... ok
[INFO] [stdout] test test_into_iter ... ok
[INFO] [stdout] test test_union ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SmolSet (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f1cb205454b36ba4f71eef2859aa603926a27803184b27f055ec77932935336a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1cb205454b36ba4f71eef2859aa603926a27803184b27f055ec77932935336a", kill_on_drop: false }`
[INFO] [stdout] f1cb205454b36ba4f71eef2859aa603926a27803184b27f055ec77932935336a