[INFO] fetching crate lynx 0.2.0...
[INFO] checking lynx-0.2.0 against beta for pr-78714
[INFO] extracting crate lynx 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lynx 0.2.0 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 lynx 0.2.0
[INFO] finished tweaking crates.io crate lynx 0.2.0
[INFO] tweaked toml for crates.io crate lynx 0.2.0 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/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] 37df929daa6c237c5a7bf55686f627cc77bdf94405b229f9dd3ae3a22ea94e2d
[INFO] running `Command { std: "docker" "start" "-a" "37df929daa6c237c5a7bf55686f627cc77bdf94405b229f9dd3ae3a22ea94e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37df929daa6c237c5a7bf55686f627cc77bdf94405b229f9dd3ae3a22ea94e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37df929daa6c237c5a7bf55686f627cc77bdf94405b229f9dd3ae3a22ea94e2d", kill_on_drop: false }`
[INFO] [stdout] 37df929daa6c237c5a7bf55686f627cc77bdf94405b229f9dd3ae3a22ea94e2d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a5256e3ebc5529a98520a3fdc0509c80ad0fa9507d1edf46e90f18c6d625bbf
[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" "1a5256e3ebc5529a98520a3fdc0509c80ad0fa9507d1edf46e90f18c6d625bbf", kill_on_drop: false }`
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking lynx v0.2.0 (/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/error.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |             HttpError::Io(e) => e.description(),
[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/error.rs:47:37
[INFO] [stdout]    |
[INFO] [stdout] 47 |             HttpError::Http(e) => e.description(),
[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/error.rs:49:36
[INFO] [stdout]    |
[INFO] [stdout] 49 |             HttpError::Tls(e) => e.description(),
[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/error.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 |             HttpError::Json(e) => e.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `CoderResult` in tuple element 0 that must be used
[INFO] [stdout]    --> src/streams.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         self.decoder.decode_to_string(&[], &mut self.output, true);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[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/error.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |             HttpError::Io(e) => e.description(),
[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/error.rs:47:37
[INFO] [stdout]    |
[INFO] [stdout] 47 |             HttpError::Http(e) => e.description(),
[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/error.rs:49:36
[INFO] [stdout]    |
[INFO] [stdout] 49 |             HttpError::Tls(e) => e.description(),
[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/error.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 |             HttpError::Json(e) => e.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `CoderResult` in tuple element 0 that must be used
[INFO] [stdout]    --> src/streams.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         self.decoder.decode_to_string(&[], &mut self.output, true);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "1a5256e3ebc5529a98520a3fdc0509c80ad0fa9507d1edf46e90f18c6d625bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5256e3ebc5529a98520a3fdc0509c80ad0fa9507d1edf46e90f18c6d625bbf", kill_on_drop: false }`
[INFO] [stdout] 1a5256e3ebc5529a98520a3fdc0509c80ad0fa9507d1edf46e90f18c6d625bbf