[INFO] fetching crate prefix 0.1.4...
[INFO] testing prefix-0.1.4 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate prefix 0.1.4 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate prefix 0.1.4 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prefix 0.1.4
[INFO] finished tweaking crates.io crate prefix 0.1.4
[INFO] tweaked toml for crates.io crate prefix 0.1.4 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate crates.io crate prefix 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6c837f19c458789fd1a09b434087290e8c488148ea3a94f288801b7ef8e16c3
[INFO] running `Command { std: "docker" "start" "-a" "a6c837f19c458789fd1a09b434087290e8c488148ea3a94f288801b7ef8e16c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6c837f19c458789fd1a09b434087290e8c488148ea3a94f288801b7ef8e16c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c837f19c458789fd1a09b434087290e8c488148ea3a94f288801b7ef8e16c3", kill_on_drop: false }`
[INFO] [stdout] a6c837f19c458789fd1a09b434087290e8c488148ea3a94f288801b7ef8e16c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63b5f7ef0b11b62a8a7316ea8625dada85703336f15862e7e1845666d7285a0b
[INFO] running `Command { std: "docker" "start" "-a" "63b5f7ef0b11b62a8a7316ea8625dada85703336f15862e7e1845666d7285a0b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling prefix v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.42s
[INFO] running `Command { std: "docker" "inspect" "63b5f7ef0b11b62a8a7316ea8625dada85703336f15862e7e1845666d7285a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b5f7ef0b11b62a8a7316ea8625dada85703336f15862e7e1845666d7285a0b", kill_on_drop: false }`
[INFO] [stdout] 63b5f7ef0b11b62a8a7316ea8625dada85703336f15862e7e1845666d7285a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8bdd992d9cf6dcec3664413ce4d09a86d58436b6c8c77e20115e76600314336
[INFO] running `Command { std: "docker" "start" "-a" "a8bdd992d9cf6dcec3664413ce4d09a86d58436b6c8c77e20115e76600314336", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prefix v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "a8bdd992d9cf6dcec3664413ce4d09a86d58436b6c8c77e20115e76600314336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8bdd992d9cf6dcec3664413ce4d09a86d58436b6c8c77e20115e76600314336", kill_on_drop: false }`
[INFO] [stdout] a8bdd992d9cf6dcec3664413ce4d09a86d58436b6c8c77e20115e76600314336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 443dbb519ec4297cbe41bb332c8af2b4fc24c03f8441b817186d26d7e2c68dd3
[INFO] running `Command { std: "docker" "start" "-a" "443dbb519ec4297cbe41bb332c8af2b4fc24c03f8441b817186d26d7e2c68dd3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prefix-14113037646f5329)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test prefix::tests::basic_parse_case ... ok
[INFO] [stdout] test prefix::tests::format_case ... ok
[INFO] [stdout] test prefix::tests::parse_case ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "443dbb519ec4297cbe41bb332c8af2b4fc24c03f8441b817186d26d7e2c68dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443dbb519ec4297cbe41bb332c8af2b4fc24c03f8441b817186d26d7e2c68dd3", kill_on_drop: false }`
[INFO] [stdout] 443dbb519ec4297cbe41bb332c8af2b4fc24c03f8441b817186d26d7e2c68dd3