[INFO] cloning repository https://github.com/taya-nicholas/431---search-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taya-nicholas/431---search-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaya-nicholas%2F431---search-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaya-nicholas%2F431---search-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7db8652006ec19deae3f0e891240cdec07106e9
[INFO] testing taya-nicholas/431---search-engine against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaya-nicholas%2F431---search-engine" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taya-nicholas/431---search-engine on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/taya-nicholas/431---search-engine
[INFO] finished tweaking git repo https://github.com/taya-nicholas/431---search-engine
[INFO] tweaked toml for git repo https://github.com/taya-nicholas/431---search-engine written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/taya-nicholas/431---search-engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.1
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.1
[INFO] [stderr]   Downloaded virtue v0.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff16cd93a4c4295ce923d03744e7a18a0f511b9e0ca696ff2fd929c4e81db43d
[INFO] running `Command { std: "docker" "start" "-a" "ff16cd93a4c4295ce923d03744e7a18a0f511b9e0ca696ff2fd929c4e81db43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff16cd93a4c4295ce923d03744e7a18a0f511b9e0ca696ff2fd929c4e81db43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff16cd93a4c4295ce923d03744e7a18a0f511b9e0ca696ff2fd929c4e81db43d", kill_on_drop: false }`
[INFO] [stdout] ff16cd93a4c4295ce923d03744e7a18a0f511b9e0ca696ff2fd929c4e81db43d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6a80275c868f5d9925740453bb4b819a35c0cb50fef72bfc997825d1d4ad552
[INFO] running `Command { std: "docker" "start" "-a" "b6a80275c868f5d9925740453bb4b819a35c0cb50fef72bfc997825d1d4ad552", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling virtue v0.0.7
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.1
[INFO] [stderr]    Compiling bincode v2.0.0-rc.1
[INFO] [stderr]    Compiling asgn1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.75s
[INFO] running `Command { std: "docker" "inspect" "b6a80275c868f5d9925740453bb4b819a35c0cb50fef72bfc997825d1d4ad552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a80275c868f5d9925740453bb4b819a35c0cb50fef72bfc997825d1d4ad552", kill_on_drop: false }`
[INFO] [stdout] b6a80275c868f5d9925740453bb4b819a35c0cb50fef72bfc997825d1d4ad552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5601250a3338e15beb5b2df512c24b01327f55711a2755cd99abd28ab43cb3c3
[INFO] running `Command { std: "docker" "start" "-a" "5601250a3338e15beb5b2df512c24b01327f55711a2755cd99abd28ab43cb3c3", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling asgn1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "5601250a3338e15beb5b2df512c24b01327f55711a2755cd99abd28ab43cb3c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5601250a3338e15beb5b2df512c24b01327f55711a2755cd99abd28ab43cb3c3", kill_on_drop: false }`
[INFO] [stdout] 5601250a3338e15beb5b2df512c24b01327f55711a2755cd99abd28ab43cb3c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9e5d4fd17b6cbe054a95d5fafb8bd22e6a6a2beca41337237e59910a5a06aef
[INFO] running `Command { std: "docker" "start" "-a" "c9e5d4fd17b6cbe054a95d5fafb8bd22e6a6a2beca41337237e59910a5a06aef", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/asgn1-ea337cc637ce0412)
[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]      Running unittests (/opt/rustwide/target/debug/deps/asgn1-012d72928270ac9f)
[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 asgn1
[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" "c9e5d4fd17b6cbe054a95d5fafb8bd22e6a6a2beca41337237e59910a5a06aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e5d4fd17b6cbe054a95d5fafb8bd22e6a6a2beca41337237e59910a5a06aef", kill_on_drop: false }`
[INFO] [stdout] c9e5d4fd17b6cbe054a95d5fafb8bd22e6a6a2beca41337237e59910a5a06aef