[INFO] fetching crate evolvingstring 0.1.0...
[INFO] testing evolvingstring-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate evolvingstring 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate evolvingstring 0.1.0
[INFO] finished tweaking crates.io crate evolvingstring 0.1.0
[INFO] tweaked toml for crates.io crate evolvingstring 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate evolvingstring 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate evolvingstring 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abe4ecdec2041761a97f51486bd961b416acfcce1d87b8c2e8d1b55b83977fba
[INFO] running `Command { std: "docker" "start" "-a" "abe4ecdec2041761a97f51486bd961b416acfcce1d87b8c2e8d1b55b83977fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abe4ecdec2041761a97f51486bd961b416acfcce1d87b8c2e8d1b55b83977fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe4ecdec2041761a97f51486bd961b416acfcce1d87b8c2e8d1b55b83977fba", kill_on_drop: false }`
[INFO] [stdout] abe4ecdec2041761a97f51486bd961b416acfcce1d87b8c2e8d1b55b83977fba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c44ce9acd63f6aa984e138e1e397ff4bd0320b1d1b974e8c7443aae192d88a8b
[INFO] running `Command { std: "docker" "start" "-a" "c44ce9acd63f6aa984e138e1e397ff4bd0320b1d1b974e8c7443aae192d88a8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling iana-time-zone v0.1.58
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling evolvingstring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.60s
[INFO] running `Command { std: "docker" "inspect" "c44ce9acd63f6aa984e138e1e397ff4bd0320b1d1b974e8c7443aae192d88a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44ce9acd63f6aa984e138e1e397ff4bd0320b1d1b974e8c7443aae192d88a8b", kill_on_drop: false }`
[INFO] [stdout] c44ce9acd63f6aa984e138e1e397ff4bd0320b1d1b974e8c7443aae192d88a8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55c93f61e3750bc3a52836814c44f5364b16c93ce6418079043f859eb7e5a942
[INFO] running `Command { std: "docker" "start" "-a" "55c93f61e3750bc3a52836814c44f5364b16c93ce6418079043f859eb7e5a942", kill_on_drop: false }`
[INFO] [stderr]    Compiling evolvingstring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "55c93f61e3750bc3a52836814c44f5364b16c93ce6418079043f859eb7e5a942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c93f61e3750bc3a52836814c44f5364b16c93ce6418079043f859eb7e5a942", kill_on_drop: false }`
[INFO] [stdout] 55c93f61e3750bc3a52836814c44f5364b16c93ce6418079043f859eb7e5a942
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1a038a798750cca1bef065da2e268a31deaa3eb00a9c0aa6f1e6fcbad45b9ae
[INFO] running `Command { std: "docker" "start" "-a" "b1a038a798750cca1bef065da2e268a31deaa3eb00a9c0aa6f1e6fcbad45b9ae", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/evolvingstring-1af5a1cc632b5441)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::from_base64_decodes_correctly ... ok
[INFO] [stdout] test tests::base64_serialization_roundtrip ... ok
[INFO] [stdout] test tests::new_creates_correct_instance ... ok
[INFO] [stdout] test tests::to_base64_encodes_correctly ... ok
[INFO] [stdout] test tests::serialization_deserialization_is_lossless ... ok
[INFO] [stdout] test tests::evolve_produces_consistent_output ... ok
[INFO] [stdout] test tests::current_matches_predicted_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/evolvingstring.rs (/opt/rustwide/target/debug/deps/evolvingstring-0817adfd4792b221)
[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]    Doc-tests evolvingstring
[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" "b1a038a798750cca1bef065da2e268a31deaa3eb00a9c0aa6f1e6fcbad45b9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a038a798750cca1bef065da2e268a31deaa3eb00a9c0aa6f1e6fcbad45b9ae", kill_on_drop: false }`
[INFO] [stdout] b1a038a798750cca1bef065da2e268a31deaa3eb00a9c0aa6f1e6fcbad45b9ae