[INFO] fetching crate rustup-version-name 0.2.1...
[INFO] checking rustup-version-name-0.2.1 against beta for pr-78714
[INFO] extracting crate rustup-version-name 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustup-version-name 0.2.1 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 crates.io crate rustup-version-name 0.2.1
[INFO] finished tweaking crates.io crate rustup-version-name 0.2.1
[INFO] tweaked toml for crates.io crate rustup-version-name 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81f2c9d9cc720f292111296cd3cbd21281c4efc5fe1c79ebf271089b62203202
[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" "81f2c9d9cc720f292111296cd3cbd21281c4efc5fe1c79ebf271089b62203202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81f2c9d9cc720f292111296cd3cbd21281c4efc5fe1c79ebf271089b62203202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f2c9d9cc720f292111296cd3cbd21281c4efc5fe1c79ebf271089b62203202", kill_on_drop: false }`
[INFO] [stdout] 81f2c9d9cc720f292111296cd3cbd21281c4efc5fe1c79ebf271089b62203202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f47e90a6f56b1622141cc9455c3513eef56b8786094a76aa147b877dea95fc0
[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" "4f47e90a6f56b1622141cc9455c3513eef56b8786094a76aa147b877dea95fc0", kill_on_drop: false }`
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]     Checking rustup-version-name v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let database = try!(toml::Parser::new(&content).parse()
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/main.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let home = env::home_dir().expect("Impossible to get your home dir!");
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let database = try!(toml::Parser::new(&content).parse()
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/main.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let home = env::home_dir().expect("Impossible to get your home dir!");
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "4f47e90a6f56b1622141cc9455c3513eef56b8786094a76aa147b877dea95fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f47e90a6f56b1622141cc9455c3513eef56b8786094a76aa147b877dea95fc0", kill_on_drop: false }`
[INFO] [stdout] 4f47e90a6f56b1622141cc9455c3513eef56b8786094a76aa147b877dea95fc0