[INFO] fetching crate assert2 0.3.3...
[INFO] testing assert2-0.3.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate assert2 0.3.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate assert2 0.3.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assert2 0.3.3
[INFO] finished tweaking crates.io crate assert2 0.3.3
[INFO] tweaked toml for crates.io crate assert2 0.3.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate assert2 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert2-macros v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2ffd30185d33be9b43869a29f8e5b209f8bd049c35cde7e6a36940e9274becc7
[INFO] running `Command { std: "docker" "start" "-a" "2ffd30185d33be9b43869a29f8e5b209f8bd049c35cde7e6a36940e9274becc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ffd30185d33be9b43869a29f8e5b209f8bd049c35cde7e6a36940e9274becc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ffd30185d33be9b43869a29f8e5b209f8bd049c35cde7e6a36940e9274becc7", kill_on_drop: false }`
[INFO] [stdout] 2ffd30185d33be9b43869a29f8e5b209f8bd049c35cde7e6a36940e9274becc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 737ea1e32492f8922c88314b65366f14909bcdb00fd97182c997257ad3c41c35
[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" "737ea1e32492f8922c88314b65366f14909bcdb00fd97182c997257ad3c41c35", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling assert2-macros v0.3.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling assert2 v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.16s
[INFO] running `Command { std: "docker" "inspect" "737ea1e32492f8922c88314b65366f14909bcdb00fd97182c997257ad3c41c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737ea1e32492f8922c88314b65366f14909bcdb00fd97182c997257ad3c41c35", kill_on_drop: false }`
[INFO] [stdout] 737ea1e32492f8922c88314b65366f14909bcdb00fd97182c997257ad3c41c35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de8a896d4fb854cd42e4ae48fa04c82cbbc6a72fd985a51b329e0923cadbcee4
[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" "de8a896d4fb854cd42e4ae48fa04c82cbbc6a72fd985a51b329e0923cadbcee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert2 v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "de8a896d4fb854cd42e4ae48fa04c82cbbc6a72fd985a51b329e0923cadbcee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8a896d4fb854cd42e4ae48fa04c82cbbc6a72fd985a51b329e0923cadbcee4", kill_on_drop: false }`
[INFO] [stdout] de8a896d4fb854cd42e4ae48fa04c82cbbc6a72fd985a51b329e0923cadbcee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db171d63156cc60fa4566d3ecc09ba98ce7381d8e45c94f7fe5db779b0b03131
[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" "db171d63156cc60fa4566d3ecc09ba98ce7381d8e45c94f7fe5db779b0b03131", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assert2-2e6579c0ca96462e
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/check-58a5489666b2eff2
[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] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test check_non_debug ... ok
[INFO] [stdout] test check_pass ... ok
[INFO] [stdout] test no_copy ... ok
[INFO] [stdout] test assert_pass ... ok
[INFO] [stdout] test non_debug_refs ... ok
[INFO] [stdout] test debug_assert_pass ... ok
[INFO] [stdout] test debug_refs ... ok
[INFO] [stdout] test non_sized ... ok
[INFO] [stdout] test test_hygiene_bug ... ok
[INFO] [stdout] test assert_non_debug ... ok
[INFO] [stdout] test panic_assert2 ... ok
[INFO] [stdout] test panic_check3 ... ok
[INFO] [stdout] test panic_check5 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/let_assert-da1ae6d9db39570a
[INFO] [stdout] test panic_assert3 ... ok
[INFO] [stdout] test panic_assert4 ... ok
[INFO] [stdout] test panic_assert5 ... ok
[INFO] [stdout] test panic_assert6 ... ok
[INFO] [stdout] test panic_check1 ... ok
[INFO] [stdout] test panic_assert1 ... ok
[INFO] [stdout] test panic_check2 ... ok
[INFO] [stdout] test panic_check4 ... ok
[INFO] [stdout] test panic_check6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::basic_match ... ok
[INFO] [stdout] test tests::ref_binding ... ok
[INFO] [stdout] test tests::anonymous_placeholders ... ok
[INFO] [stdout] test tests::basic_match_ref ... ok
[INFO] [stdout] test tests::consume ... ok
[INFO] [stdout] test tests::underscore_prefixed_placeholders ... ok
[INFO] [stdout] test tests::subpattern_binding ... ok
[INFO] [stdout] test tests::mut_binding ... ok
[INFO] [stdout] test tests::panic_let_assert2 ... ok
[INFO] [stderr]    Doc-tests assert2
[INFO] [stdout] test tests::panic_let_assert1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - assert (line 160) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/lib.rs - check (line 192) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - (line 88) ... ok
[INFO] [stdout] test src/lib.rs - let_assert (line 234) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db171d63156cc60fa4566d3ecc09ba98ce7381d8e45c94f7fe5db779b0b03131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db171d63156cc60fa4566d3ecc09ba98ce7381d8e45c94f7fe5db779b0b03131", kill_on_drop: false }`
[INFO] [stdout] db171d63156cc60fa4566d3ecc09ba98ce7381d8e45c94f7fe5db779b0b03131