[INFO] fetching crate evolvingstring 0.1.0...
[INFO] testing evolvingstring-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate evolvingstring 0.1.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate evolvingstring 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd6c830d980e3944bbf8c94c0196393ced93020a47ae677242ed1776f2cc67bb
[INFO] running `Command { std: "docker" "start" "-a" "fd6c830d980e3944bbf8c94c0196393ced93020a47ae677242ed1776f2cc67bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd6c830d980e3944bbf8c94c0196393ced93020a47ae677242ed1776f2cc67bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6c830d980e3944bbf8c94c0196393ced93020a47ae677242ed1776f2cc67bb", kill_on_drop: false }`
[INFO] [stdout] fd6c830d980e3944bbf8c94c0196393ced93020a47ae677242ed1776f2cc67bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a387ba4f441aa2115da4f0e9cbbb7e04744943b205d90d058fd8ca9766c09f40
[INFO] running `Command { std: "docker" "start" "-a" "a387ba4f441aa2115da4f0e9cbbb7e04744943b205d90d058fd8ca9766c09f40", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling iana-time-zone v0.1.58
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[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 11.85s
[INFO] running `Command { std: "docker" "inspect" "a387ba4f441aa2115da4f0e9cbbb7e04744943b205d90d058fd8ca9766c09f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a387ba4f441aa2115da4f0e9cbbb7e04744943b205d90d058fd8ca9766c09f40", kill_on_drop: false }`
[INFO] [stdout] a387ba4f441aa2115da4f0e9cbbb7e04744943b205d90d058fd8ca9766c09f40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f71aabb7f774471edea8465b2e9a47be90027a739584656fda140f567a7735f
[INFO] running `Command { std: "docker" "start" "-a" "1f71aabb7f774471edea8465b2e9a47be90027a739584656fda140f567a7735f", kill_on_drop: false }`
[INFO] [stderr]    Compiling evolvingstring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "1f71aabb7f774471edea8465b2e9a47be90027a739584656fda140f567a7735f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f71aabb7f774471edea8465b2e9a47be90027a739584656fda140f567a7735f", kill_on_drop: false }`
[INFO] [stdout] 1f71aabb7f774471edea8465b2e9a47be90027a739584656fda140f567a7735f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2ed4fae3537112b657cf98ed0030e1cbdb08eed55174398b247a422eaa30e8f
[INFO] running `Command { std: "docker" "start" "-a" "e2ed4fae3537112b657cf98ed0030e1cbdb08eed55174398b247a422eaa30e8f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[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::base64_serialization_roundtrip ... ok
[INFO] [stdout] test tests::new_creates_correct_instance ... ok
[INFO] [stdout] test tests::from_base64_decodes_correctly ... ok
[INFO] [stdout] test tests::evolve_produces_consistent_output ... ok
[INFO] [stdout] test tests::serialization_deserialization_is_lossless ... ok
[INFO] [stdout] test tests::to_base64_encodes_correctly ... 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 2.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/evolvingstring.rs (/opt/rustwide/target/debug/deps/evolvingstring-0817adfd4792b221)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests evolvingstring
[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 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" "e2ed4fae3537112b657cf98ed0030e1cbdb08eed55174398b247a422eaa30e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ed4fae3537112b657cf98ed0030e1cbdb08eed55174398b247a422eaa30e8f", kill_on_drop: false }`
[INFO] [stdout] e2ed4fae3537112b657cf98ed0030e1cbdb08eed55174398b247a422eaa30e8f