[INFO] cloning repository https://github.com/iAmao/guess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iAmao/guess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiAmao%2Fguess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiAmao%2Fguess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a33c2ce882f6a0add65c25bec735976518f08038
[INFO] testing iAmao/guess against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiAmao%2Fguess" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iAmao/guess 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/iAmao/guess
[INFO] finished tweaking git repo https://github.com/iAmao/guess
[INFO] tweaked toml for git repo https://github.com/iAmao/guess written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/iAmao/guess 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 6746832d403c67a27d37dc5dfdba089e9506a56eeb2c4587d9b619c2bf9c5f67
[INFO] running `Command { std: "docker" "start" "-a" "6746832d403c67a27d37dc5dfdba089e9506a56eeb2c4587d9b619c2bf9c5f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6746832d403c67a27d37dc5dfdba089e9506a56eeb2c4587d9b619c2bf9c5f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6746832d403c67a27d37dc5dfdba089e9506a56eeb2c4587d9b619c2bf9c5f67", kill_on_drop: false }`
[INFO] [stdout] 6746832d403c67a27d37dc5dfdba089e9506a56eeb2c4587d9b619c2bf9c5f67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 8cebd19c55afa4bbe315b102eaface61ecdea514742392eb58071498cd1b9bcd
[INFO] running `Command { std: "docker" "start" "-a" "8cebd19c55afa4bbe315b102eaface61ecdea514742392eb58071498cd1b9bcd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling guess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "8cebd19c55afa4bbe315b102eaface61ecdea514742392eb58071498cd1b9bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cebd19c55afa4bbe315b102eaface61ecdea514742392eb58071498cd1b9bcd", kill_on_drop: false }`
[INFO] [stdout] 8cebd19c55afa4bbe315b102eaface61ecdea514742392eb58071498cd1b9bcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 443e48f3498a7cfed191a0b6ce1af9593117e0c3bd6dfcffc0b76e7df8c09a5d
[INFO] running `Command { std: "docker" "start" "-a" "443e48f3498a7cfed191a0b6ce1af9593117e0c3bd6dfcffc0b76e7df8c09a5d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.70s
[INFO] running `Command { std: "docker" "inspect" "443e48f3498a7cfed191a0b6ce1af9593117e0c3bd6dfcffc0b76e7df8c09a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443e48f3498a7cfed191a0b6ce1af9593117e0c3bd6dfcffc0b76e7df8c09a5d", kill_on_drop: false }`
[INFO] [stdout] 443e48f3498a7cfed191a0b6ce1af9593117e0c3bd6dfcffc0b76e7df8c09a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] bcb059bf6718f271fc0f49bd49ee60fe22a64a357c869596c84d43233fac3ed5
[INFO] running `Command { std: "docker" "start" "-a" "bcb059bf6718f271fc0f49bd49ee60fe22a64a357c869596c84d43233fac3ed5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guess-6c768ca185d90f4f)
[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" "bcb059bf6718f271fc0f49bd49ee60fe22a64a357c869596c84d43233fac3ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb059bf6718f271fc0f49bd49ee60fe22a64a357c869596c84d43233fac3ed5", kill_on_drop: false }`
[INFO] [stdout] bcb059bf6718f271fc0f49bd49ee60fe22a64a357c869596c84d43233fac3ed5