[INFO] fetching crate rargsxd 0.2.0...
[INFO] testing rargsxd-0.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate rargsxd 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rargsxd 0.2.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rargsxd 0.2.0
[INFO] finished tweaking crates.io crate rargsxd 0.2.0
[INFO] tweaked toml for crates.io crate rargsxd 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 8b6236121b824af364628ca6b24980481b89adc9c411cb1480e283b3e36b5e44
[INFO] running `Command { std: "docker" "start" "-a" "8b6236121b824af364628ca6b24980481b89adc9c411cb1480e283b3e36b5e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b6236121b824af364628ca6b24980481b89adc9c411cb1480e283b3e36b5e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6236121b824af364628ca6b24980481b89adc9c411cb1480e283b3e36b5e44", kill_on_drop: false }`
[INFO] [stdout] 8b6236121b824af364628ca6b24980481b89adc9c411cb1480e283b3e36b5e44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 4f005b690d342dc1a4ec273d0a0c519d9d59a5adda2e787e3748b6a8f7151973
[INFO] running `Command { std: "docker" "start" "-a" "4f005b690d342dc1a4ec273d0a0c519d9d59a5adda2e787e3748b6a8f7151973", kill_on_drop: false }`
[INFO] [stderr]    Compiling rargsxd v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | /         &self.args.iter().for_each(|arg| {
[INFO] [stdout] 198 | |             match arg.val {
[INFO] [stdout] 199 | |                 ArgVal::Bool(_) => flags.push(arg),
[INFO] [stdout] 200 | |                 ArgVal::Str(_) => options.push(arg),
[INFO] [stdout] 201 | |             }
[INFO] [stdout] 202 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |         &self.args.iter().for_each(|arg| if arg.name.len() > longest {longest = arg.name.len()});
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "4f005b690d342dc1a4ec273d0a0c519d9d59a5adda2e787e3748b6a8f7151973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f005b690d342dc1a4ec273d0a0c519d9d59a5adda2e787e3748b6a8f7151973", kill_on_drop: false }`
[INFO] [stdout] 4f005b690d342dc1a4ec273d0a0c519d9d59a5adda2e787e3748b6a8f7151973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 514fc0f597b66afbcb08d8d6bdce3233f2f6f7a7517825c1852a163c0b47c484
[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" "514fc0f597b66afbcb08d8d6bdce3233f2f6f7a7517825c1852a163c0b47c484", 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] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | /         &self.args.iter().for_each(|arg| {
[INFO] [stdout] 198 | |             match arg.val {
[INFO] [stdout] 199 | |                 ArgVal::Bool(_) => flags.push(arg),
[INFO] [stdout] 200 | |                 ArgVal::Str(_) => options.push(arg),
[INFO] [stdout] 201 | |             }
[INFO] [stdout] 202 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rargsxd v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |         &self.args.iter().for_each(|arg| if arg.name.len() > longest {longest = arg.name.len()});
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | /         &self.args.iter().for_each(|arg| {
[INFO] [stdout] 198 | |             match arg.val {
[INFO] [stdout] 199 | |                 ArgVal::Bool(_) => flags.push(arg),
[INFO] [stdout] 200 | |                 ArgVal::Str(_) => options.push(arg),
[INFO] [stdout] 201 | |             }
[INFO] [stdout] 202 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |         &self.args.iter().for_each(|arg| if arg.name.len() > longest {longest = arg.name.len()});
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "514fc0f597b66afbcb08d8d6bdce3233f2f6f7a7517825c1852a163c0b47c484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "514fc0f597b66afbcb08d8d6bdce3233f2f6f7a7517825c1852a163c0b47c484", kill_on_drop: false }`
[INFO] [stdout] 514fc0f597b66afbcb08d8d6bdce3233f2f6f7a7517825c1852a163c0b47c484
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc7e0856a796fb2450cc44b1fda5248e07dc056c3ce9d7cbe1b0163bdae17cad
[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" "fc7e0856a796fb2450cc44b1fda5248e07dc056c3ce9d7cbe1b0163bdae17cad", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/parser.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 197 | /         &self.args.iter().for_each(|arg| {
[INFO] [stderr] 198 | |             match arg.val {
[INFO] [stderr] 199 | |                 ArgVal::Bool(_) => flags.push(arg),
[INFO] [stderr] 200 | |                 ArgVal::Str(_) => options.push(arg),
[INFO] [stderr] 201 | |             }
[INFO] [stderr] 202 | |         });
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/parser.rs:205:9
[INFO] [stderr]     |
[INFO] [stderr] 205 |         &self.args.iter().for_each(|arg| if arg.name.len() > longest {longest = arg.name.len()});
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rargsxd` (lib) generated 2 warnings
[INFO] [stderr] warning: `rargsxd` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rargsxd-8a0157506823c2a8)
[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] [stderr]    Doc-tests rargsxd
[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" "fc7e0856a796fb2450cc44b1fda5248e07dc056c3ce9d7cbe1b0163bdae17cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7e0856a796fb2450cc44b1fda5248e07dc056c3ce9d7cbe1b0163bdae17cad", kill_on_drop: false }`
[INFO] [stdout] fc7e0856a796fb2450cc44b1fda5248e07dc056c3ce9d7cbe1b0163bdae17cad