[INFO] cloning repository https://github.com/victorinno/collections_string
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/victorinno/collections_string" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorinno%2Fcollections_string", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorinno%2Fcollections_string'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b033d3c3daf81983f2811ddc2a6c858ac816a548
[INFO] testing victorinno/collections_string 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%2Fvictorinno%2Fcollections_string" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/victorinno/collections_string 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/victorinno/collections_string
[INFO] finished tweaking git repo https://github.com/victorinno/collections_string
[INFO] tweaked toml for git repo https://github.com/victorinno/collections_string written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/victorinno/collections_string 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-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] d20b60029c2f67fee413035359120b2da885409d517f6ee64cb5dbf0f41ddf8f
[INFO] running `Command { std: "docker" "start" "-a" "d20b60029c2f67fee413035359120b2da885409d517f6ee64cb5dbf0f41ddf8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d20b60029c2f67fee413035359120b2da885409d517f6ee64cb5dbf0f41ddf8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20b60029c2f67fee413035359120b2da885409d517f6ee64cb5dbf0f41ddf8f", kill_on_drop: false }`
[INFO] [stdout] d20b60029c2f67fee413035359120b2da885409d517f6ee64cb5dbf0f41ddf8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] aba308f54d81f03ec17f573c80e6009c0932dadfa4a6143d22d820e930dfe4e2
[INFO] running `Command { std: "docker" "start" "-a" "aba308f54d81f03ec17f573c80e6009c0932dadfa4a6143d22d820e930dfe4e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling collections_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "aba308f54d81f03ec17f573c80e6009c0932dadfa4a6143d22d820e930dfe4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba308f54d81f03ec17f573c80e6009c0932dadfa4a6143d22d820e930dfe4e2", kill_on_drop: false }`
[INFO] [stdout] aba308f54d81f03ec17f573c80e6009c0932dadfa4a6143d22d820e930dfe4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 0ca2cdc82c9327fe10a0902814fe66979538b234d2b72d8ae8eda39fe36269e8
[INFO] running `Command { std: "docker" "start" "-a" "0ca2cdc82c9327fe10a0902814fe66979538b234d2b72d8ae8eda39fe36269e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling collections_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "0ca2cdc82c9327fe10a0902814fe66979538b234d2b72d8ae8eda39fe36269e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca2cdc82c9327fe10a0902814fe66979538b234d2b72d8ae8eda39fe36269e8", kill_on_drop: false }`
[INFO] [stdout] 0ca2cdc82c9327fe10a0902814fe66979538b234d2b72d8ae8eda39fe36269e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] b5c2c3a7731cfb6795a14c0f146a4f1d69b455d46b86db2abb12676c79d4c983
[INFO] running `Command { std: "docker" "start" "-a" "b5c2c3a7731cfb6795a14c0f146a4f1d69b455d46b86db2abb12676c79d4c983", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collections_string-deae06d39625c227)
[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" "b5c2c3a7731cfb6795a14c0f146a4f1d69b455d46b86db2abb12676c79d4c983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c2c3a7731cfb6795a14c0f146a4f1d69b455d46b86db2abb12676c79d4c983", kill_on_drop: false }`
[INFO] [stdout] b5c2c3a7731cfb6795a14c0f146a4f1d69b455d46b86db2abb12676c79d4c983