[INFO] cloning repository https://github.com/quadrifoglio/olvmc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quadrifoglio/olvmc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquadrifoglio%2Folvmc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquadrifoglio%2Folvmc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b50771276acc714813697f018753c56fac3b1893
[INFO] checking quadrifoglio/olvmc against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquadrifoglio%2Folvmc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quadrifoglio/olvmc on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quadrifoglio/olvmc
[INFO] finished tweaking git repo https://github.com/quadrifoglio/olvmc
[INFO] tweaked toml for git repo https://github.com/quadrifoglio/olvmc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/quadrifoglio/olvmc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] 76aa5032270c262485e0cb8563dc501b5862b8d58e7fc2c1e3157818ecec7cd5
[INFO] running `Command { std: "docker" "start" "-a" "76aa5032270c262485e0cb8563dc501b5862b8d58e7fc2c1e3157818ecec7cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76aa5032270c262485e0cb8563dc501b5862b8d58e7fc2c1e3157818ecec7cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76aa5032270c262485e0cb8563dc501b5862b8d58e7fc2c1e3157818ecec7cd5", kill_on_drop: false }`
[INFO] [stdout] 76aa5032270c262485e0cb8563dc501b5862b8d58e7fc2c1e3157818ecec7cd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 292c3746b3ea26a6afb8fb3e7d5d00c9c84fdfc98d3dd3175fcaeeddcd49a6a4
[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" "292c3746b3ea26a6afb8fb3e7d5d00c9c84fdfc98d3dd3175fcaeeddcd49a6a4", kill_on_drop: false }`
[INFO] [stderr]     Checking encode_unicode v0.2.0
[INFO] [stderr]     Checking json v0.11.5
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]     Checking prettytable-rs v0.6.6
[INFO] [stderr]     Checking olvmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:52:48
[INFO] [stdout]    |
[INFO] [stdout] 52 |                         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:52:48
[INFO] [stdout]    |
[INFO] [stdout] 52 |                         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/image.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/image.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/image.rs:78:32
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/image.rs:83:32
[INFO] [stdout]    |
[INFO] [stdout] 83 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/vm.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/vm.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/vm.rs:94:32
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/vm.rs:99:32
[INFO] [stdout]    |
[INFO] [stdout] 99 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/interface.rs:32:37
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     Err(e) => Err(e.description().to_string())
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/image.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/image.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/image.rs:78:32
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/image.rs:83:32
[INFO] [stdout]    |
[INFO] [stdout] 83 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/vm.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/vm.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/vm.rs:94:32
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/vm.rs:99:32
[INFO] [stdout]    |
[INFO] [stdout] 99 |         Err(e) => return Err(e.description().to_string())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/interface.rs:32:37
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     Err(e) => Err(e.description().to_string())
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.46s
[INFO] running `Command { std: "docker" "inspect" "292c3746b3ea26a6afb8fb3e7d5d00c9c84fdfc98d3dd3175fcaeeddcd49a6a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292c3746b3ea26a6afb8fb3e7d5d00c9c84fdfc98d3dd3175fcaeeddcd49a6a4", kill_on_drop: false }`
[INFO] [stdout] 292c3746b3ea26a6afb8fb3e7d5d00c9c84fdfc98d3dd3175fcaeeddcd49a6a4