[INFO] cloning repository https://github.com/mr47/rust-challange
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mr47/rust-challange" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr47%2Frust-challange", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr47%2Frust-challange'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1be31d3ef3906cf9c0e17e8148f0f76b77152c85
[INFO] testing mr47/rust-challange against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr47%2Frust-challange" "/workspace/builds/worker-93/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mr47/rust-challange on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mr47/rust-challange
[INFO] finished tweaking git repo https://github.com/mr47/rust-challange
[INFO] tweaked toml for git repo https://github.com/mr47/rust-challange written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate git repo https://github.com/mr47/rust-challange already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76cc034deab2fb8b03373b8813dd578d0114196a685f4184e956f2365dda4529
[INFO] running `Command { std: "docker" "start" "-a" "76cc034deab2fb8b03373b8813dd578d0114196a685f4184e956f2365dda4529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76cc034deab2fb8b03373b8813dd578d0114196a685f4184e956f2365dda4529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cc034deab2fb8b03373b8813dd578d0114196a685f4184e956f2365dda4529", kill_on_drop: false }`
[INFO] [stdout] 76cc034deab2fb8b03373b8813dd578d0114196a685f4184e956f2365dda4529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 461e118726a25a06d4a2632f4d3268ddb821b467b65e858c9a06b85757bc3299
[INFO] running `Command { std: "docker" "start" "-a" "461e118726a25a06d4a2632f4d3268ddb821b467b65e858c9a06b85757bc3299", kill_on_drop: false }`
[INFO] [stderr]    Compiling svp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "461e118726a25a06d4a2632f4d3268ddb821b467b65e858c9a06b85757bc3299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461e118726a25a06d4a2632f4d3268ddb821b467b65e858c9a06b85757bc3299", kill_on_drop: false }`
[INFO] [stdout] 461e118726a25a06d4a2632f4d3268ddb821b467b65e858c9a06b85757bc3299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71a578131694dc3250a4dd1806f9adcb2e8a69e8d4979c318ec88fd1c3072792
[INFO] running `Command { std: "docker" "start" "-a" "71a578131694dc3250a4dd1806f9adcb2e8a69e8d4979c318ec88fd1c3072792", kill_on_drop: false }`
[INFO] [stderr]    Compiling svp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "71a578131694dc3250a4dd1806f9adcb2e8a69e8d4979c318ec88fd1c3072792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a578131694dc3250a4dd1806f9adcb2e8a69e8d4979c318ec88fd1c3072792", kill_on_drop: false }`
[INFO] [stdout] 71a578131694dc3250a4dd1806f9adcb2e8a69e8d4979c318ec88fd1c3072792
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cffa5e8dc0fe72c25eb53392cfde45b4eeaef43ff2371a4109ea40d14c2075a7
[INFO] running `Command { std: "docker" "start" "-a" "cffa5e8dc0fe72c25eb53392cfde45b4eeaef43ff2371a4109ea40d14c2075a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/svp-c833991ad5f6d5a2)
[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" "cffa5e8dc0fe72c25eb53392cfde45b4eeaef43ff2371a4109ea40d14c2075a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cffa5e8dc0fe72c25eb53392cfde45b4eeaef43ff2371a4109ea40d14c2075a7", kill_on_drop: false }`
[INFO] [stdout] cffa5e8dc0fe72c25eb53392cfde45b4eeaef43ff2371a4109ea40d14c2075a7