[INFO] fetching crate offwall 1.1.0...
[INFO] checking offwall-1.1.0 against beta for pr-78714
[INFO] extracting crate offwall 1.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate offwall 1.1.0 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 offwall 1.1.0
[INFO] finished tweaking crates.io crate offwall 1.1.0
[INFO] tweaked toml for crates.io crate offwall 1.1.0 written to /workspace/builds/worker-3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 164ed24944840e6bc9e624b1fcb71a2d1a32f44a0b17542766b7e4e0dbcefc43
[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" "164ed24944840e6bc9e624b1fcb71a2d1a32f44a0b17542766b7e4e0dbcefc43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "164ed24944840e6bc9e624b1fcb71a2d1a32f44a0b17542766b7e4e0dbcefc43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164ed24944840e6bc9e624b1fcb71a2d1a32f44a0b17542766b7e4e0dbcefc43", kill_on_drop: false }`
[INFO] [stdout] 164ed24944840e6bc9e624b1fcb71a2d1a32f44a0b17542766b7e4e0dbcefc43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9e4cedb7b4e4c0742a6a397d2ac5b63e19f1900b9b66c4463bdab9160b634de8
[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" "9e4cedb7b4e4c0742a6a397d2ac5b63e19f1900b9b66c4463bdab9160b634de8", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking inotify-sys v0.1.4
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking tls-api v0.1.22
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]     Checking ipnetwork v0.14.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking syslog v4.0.1
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking offwall v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/conf.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/conf.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tls_api`
[INFO] [stdout]   --> src/conf.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | use tls_api;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tls_api::TlsAcceptorBuilder`
[INFO] [stdout]   --> src/conf.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | use tls_api::TlsAcceptorBuilder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/conf.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/conf.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tls_api`
[INFO] [stdout]   --> src/conf.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | use tls_api;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tls_api::TlsAcceptorBuilder`
[INFO] [stdout]   --> src/conf.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | use tls_api::TlsAcceptorBuilder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `simple_logger::init_with_level`: Please use the Builder pattern instead.
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         simple_logger::init_with_level(log_lvl).expect("error on logging initialization");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `simple_logger::init_with_level`: Please use the Builder pattern instead.
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         simple_logger::init_with_level(log_lvl).expect("error on logging initialization");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/conf.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 let mut conn = OfConnection::from_str(uri)?;
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/conf.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 let mut conn = OfConnection::from_str(uri)?;
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `P12_KEY`
[INFO] [stdout]   --> src/conf.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | const P12_KEY: &str = "pkcs12";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PASS_KEY`
[INFO] [stdout]   --> src/conf.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | const PASS_KEY: &str = "passwd";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tls`
[INFO] [stdout]   --> src/openflow/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Tls(TlsStream<TcpStream>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `P12_KEY`
[INFO] [stdout]   --> src/conf.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | const P12_KEY: &str = "pkcs12";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PASS_KEY`
[INFO] [stdout]   --> src/conf.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | const PASS_KEY: &str = "passwd";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tls`
[INFO] [stdout]   --> src/openflow/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Tls(TlsStream<TcpStream>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "9e4cedb7b4e4c0742a6a397d2ac5b63e19f1900b9b66c4463bdab9160b634de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4cedb7b4e4c0742a6a397d2ac5b63e19f1900b9b66c4463bdab9160b634de8", kill_on_drop: false }`
[INFO] [stdout] 9e4cedb7b4e4c0742a6a397d2ac5b63e19f1900b9b66c4463bdab9160b634de8