[INFO] cloning repository https://github.com/isa-ako/rust-try-json-parse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isa-ako/rust-try-json-parse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisa-ako%2Frust-try-json-parse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisa-ako%2Frust-try-json-parse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0d1abaf452b14f072e69ed4c90320dff200fa14
[INFO] testing isa-ako/rust-try-json-parse against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisa-ako%2Frust-try-json-parse" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isa-ako/rust-try-json-parse on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/isa-ako/rust-try-json-parse
[INFO] finished tweaking git repo https://github.com/isa-ako/rust-try-json-parse
[INFO] tweaked toml for git repo https://github.com/isa-ako/rust-try-json-parse written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/isa-ako/rust-try-json-parse already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5564c837b38e2912ea49a2e3b1afb9b2dc7d10ebf0f1ee5ab70bbe194939369e
[INFO] running `Command { std: "docker" "start" "-a" "5564c837b38e2912ea49a2e3b1afb9b2dc7d10ebf0f1ee5ab70bbe194939369e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5564c837b38e2912ea49a2e3b1afb9b2dc7d10ebf0f1ee5ab70bbe194939369e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5564c837b38e2912ea49a2e3b1afb9b2dc7d10ebf0f1ee5ab70bbe194939369e", kill_on_drop: false }`
[INFO] [stdout] 5564c837b38e2912ea49a2e3b1afb9b2dc7d10ebf0f1ee5ab70bbe194939369e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 388dabbcba28330d4faeb3a04eacac83b8186df1665999bfcb5e392587c8dfa6
[INFO] running `Command { std: "docker" "start" "-a" "388dabbcba28330d4faeb3a04eacac83b8186df1665999bfcb5e392587c8dfa6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling json v0.12.0
[INFO] [stderr]    Compiling hello_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "388dabbcba28330d4faeb3a04eacac83b8186df1665999bfcb5e392587c8dfa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388dabbcba28330d4faeb3a04eacac83b8186df1665999bfcb5e392587c8dfa6", kill_on_drop: false }`
[INFO] [stdout] 388dabbcba28330d4faeb3a04eacac83b8186df1665999bfcb5e392587c8dfa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2672b58e9d2dabc100938af382a33a5b4dd7b606fe3793a6cda40769b95586f5
[INFO] running `Command { std: "docker" "start" "-a" "2672b58e9d2dabc100938af382a33a5b4dd7b606fe3793a6cda40769b95586f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "2672b58e9d2dabc100938af382a33a5b4dd7b606fe3793a6cda40769b95586f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2672b58e9d2dabc100938af382a33a5b4dd7b606fe3793a6cda40769b95586f5", kill_on_drop: false }`
[INFO] [stdout] 2672b58e9d2dabc100938af382a33a5b4dd7b606fe3793a6cda40769b95586f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a019406f0e52971ea243e12b40a173e661945be37cce1ef7e5a9d72e85a18d26
[INFO] running `Command { std: "docker" "start" "-a" "a019406f0e52971ea243e12b40a173e661945be37cce1ef7e5a9d72e85a18d26", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_rust-a4e60bd2f4dae272)
[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" "a019406f0e52971ea243e12b40a173e661945be37cce1ef7e5a9d72e85a18d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a019406f0e52971ea243e12b40a173e661945be37cce1ef7e5a9d72e85a18d26", kill_on_drop: false }`
[INFO] [stdout] a019406f0e52971ea243e12b40a173e661945be37cce1ef7e5a9d72e85a18d26