[INFO] fetching crate Metamorfish 0.0.1...
[INFO] testing Metamorfish-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate Metamorfish 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate Metamorfish 0.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate Metamorfish 0.0.1
[INFO] finished tweaking crates.io crate Metamorfish 0.0.1
[INFO] tweaked toml for crates.io crate Metamorfish 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b1907c2bed1c9f0c5d418f7498298964dab35482235ee3c8fe26a7f9fb3cb0f
[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" "4b1907c2bed1c9f0c5d418f7498298964dab35482235ee3c8fe26a7f9fb3cb0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b1907c2bed1c9f0c5d418f7498298964dab35482235ee3c8fe26a7f9fb3cb0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1907c2bed1c9f0c5d418f7498298964dab35482235ee3c8fe26a7f9fb3cb0f", kill_on_drop: false }`
[INFO] [stdout] 4b1907c2bed1c9f0c5d418f7498298964dab35482235ee3c8fe26a7f9fb3cb0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dd926c435859d72f02272152734a7d1bab73ad86f6ab32a72686630d3a3a3e7
[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" "4dd926c435859d72f02272152734a7d1bab73ad86f6ab32a72686630d3a3a3e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling archery v0.4.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rpds v0.8.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling protofish v0.2.5
[INFO] [stderr]    Compiling Metamorfish v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `MessageInfo`, `MessageRef`
[INFO] [stdout]  --> src/visitor.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use protofish::context::{MessageInfo, MessageRef};
[INFO] [stdout]   |                          ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rpds::HashTrieSet`
[INFO] [stdout]  --> src/visitor.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rpds::HashTrieSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Metamorfish` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `metamorfish`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.44s
[INFO] running `Command { std: "docker" "inspect" "4dd926c435859d72f02272152734a7d1bab73ad86f6ab32a72686630d3a3a3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd926c435859d72f02272152734a7d1bab73ad86f6ab32a72686630d3a3a3e7", kill_on_drop: false }`
[INFO] [stdout] 4dd926c435859d72f02272152734a7d1bab73ad86f6ab32a72686630d3a3a3e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e836099b9d2408a13157ceee3f18c994b74d0c6ff7f1e306b135a9a43713817
[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" "9e836099b9d2408a13157ceee3f18c994b74d0c6ff7f1e306b135a9a43713817", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling test-env-log v0.2.3
[INFO] [stdout] warning: unused imports: `MessageInfo`, `MessageRef`
[INFO] [stdout]  --> src/visitor.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use protofish::context::{MessageInfo, MessageRef};
[INFO] [stdout]   |                          ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rpds::HashTrieSet`
[INFO] [stdout]  --> src/visitor.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rpds::HashTrieSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Metamorfish` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `metamorfish`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling Metamorfish v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `MessageInfo`, `MessageRef`
[INFO] [stdout]  --> src/visitor.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use protofish::context::{MessageInfo, MessageRef};
[INFO] [stdout]   |                          ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rpds::HashTrieSet`
[INFO] [stdout]  --> src/visitor.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rpds::HashTrieSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Metamorfish` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `metamorfish`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.82s
[INFO] running `Command { std: "docker" "inspect" "9e836099b9d2408a13157ceee3f18c994b74d0c6ff7f1e306b135a9a43713817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e836099b9d2408a13157ceee3f18c994b74d0c6ff7f1e306b135a9a43713817", kill_on_drop: false }`
[INFO] [stdout] 9e836099b9d2408a13157ceee3f18c994b74d0c6ff7f1e306b135a9a43713817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 271cb174649bfa90238547cd7174203339ddc85cf0c5f0abae321d5ea0dbe8a3
[INFO] running `Command { std: "docker" "start" "-a" "271cb174649bfa90238547cd7174203339ddc85cf0c5f0abae321d5ea0dbe8a3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `MessageInfo`, `MessageRef`
[INFO] [stdout] running 3 tests
[INFO] [stderr]  --> src/visitor.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | use protofish::context::{MessageInfo, MessageRef};
[INFO] [stderr]   |                          ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rpds::HashTrieSet`
[INFO] [stderr]  --> src/visitor.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rpds::HashTrieSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Metamorfish` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `metamorfish`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MessageInfo`, `MessageRef`
[INFO] [stderr]  --> src/visitor.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | use protofish::context::{MessageInfo, MessageRef};
[INFO] [stderr]   |                          ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rpds::HashTrieSet`
[INFO] [stderr]  --> src/visitor.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rpds::HashTrieSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Metamorfish` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `metamorfish`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Metamorfish-e2c02a8aa4844bb2
[INFO] [stdout] test selector::test::match_message ... ok
[INFO] [stderr]    Doc-tests Metamorfish
[INFO] [stdout] test selector::test::match_any ... ok
[INFO] [stdout] test visitor::test::visit_msg::f ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "271cb174649bfa90238547cd7174203339ddc85cf0c5f0abae321d5ea0dbe8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271cb174649bfa90238547cd7174203339ddc85cf0c5f0abae321d5ea0dbe8a3", kill_on_drop: false }`
[INFO] [stdout] 271cb174649bfa90238547cd7174203339ddc85cf0c5f0abae321d5ea0dbe8a3