[INFO] cloning repository https://github.com/msrv-rs/msrv-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msrv-rs/msrv-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsrv-rs%2Fmsrv-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsrv-rs%2Fmsrv-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60a85e44893984362d4f4b8b5b4c95a91207f69c
[INFO] testing msrv-rs/msrv-rs against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsrv-rs%2Fmsrv-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/msrv-rs/msrv-rs on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/msrv-rs/msrv-rs
[INFO] finished tweaking git repo https://github.com/msrv-rs/msrv-rs
[INFO] tweaked toml for git repo https://github.com/msrv-rs/msrv-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/msrv-rs/msrv-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73a3793dbbe250f8bfa97469e4c8c810b7fbebbefd29cb33961b3e590fcb9881
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "73a3793dbbe250f8bfa97469e4c8c810b7fbebbefd29cb33961b3e590fcb9881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73a3793dbbe250f8bfa97469e4c8c810b7fbebbefd29cb33961b3e590fcb9881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a3793dbbe250f8bfa97469e4c8c810b7fbebbefd29cb33961b3e590fcb9881", kill_on_drop: false }`
[INFO] [stdout] 73a3793dbbe250f8bfa97469e4c8c810b7fbebbefd29cb33961b3e590fcb9881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3fb550251ffb825099beb0b8e5e183aa8e908e0b7f71b194ce4dd8afc5048fec
[INFO] running `Command { std: "docker" "start" "-a" "3fb550251ffb825099beb0b8e5e183aa8e908e0b7f71b194ce4dd8afc5048fec", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling msrv-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "3fb550251ffb825099beb0b8e5e183aa8e908e0b7f71b194ce4dd8afc5048fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb550251ffb825099beb0b8e5e183aa8e908e0b7f71b194ce4dd8afc5048fec", kill_on_drop: false }`
[INFO] [stdout] 3fb550251ffb825099beb0b8e5e183aa8e908e0b7f71b194ce4dd8afc5048fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff8e60b7fed644cb8eac465f4b8467ca5cf3233efd811d522e609483b6e87be0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff8e60b7fed644cb8eac465f4b8467ca5cf3233efd811d522e609483b6e87be0", kill_on_drop: false }`
[INFO] [stderr]    Compiling msrv-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "ff8e60b7fed644cb8eac465f4b8467ca5cf3233efd811d522e609483b6e87be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8e60b7fed644cb8eac465f4b8467ca5cf3233efd811d522e609483b6e87be0", kill_on_drop: false }`
[INFO] [stdout] ff8e60b7fed644cb8eac465f4b8467ca5cf3233efd811d522e609483b6e87be0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] faadd6aba95ba5f08566af4b13fa6fd2e92600cb095d4a0de7d6b791e91e2bfc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "faadd6aba95ba5f08566af4b13fa6fd2e92600cb095d4a0de7d6b791e91e2bfc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_resolver_hook-0bc19d24cc38a401
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/msrv_rs-8bd66b8cc401af7e
[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] [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" "faadd6aba95ba5f08566af4b13fa6fd2e92600cb095d4a0de7d6b791e91e2bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faadd6aba95ba5f08566af4b13fa6fd2e92600cb095d4a0de7d6b791e91e2bfc", kill_on_drop: false }`
[INFO] [stdout] faadd6aba95ba5f08566af4b13fa6fd2e92600cb095d4a0de7d6b791e91e2bfc