[INFO] fetching crate pcsc 2.8.0...
[INFO] checking pcsc-2.8.0 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate pcsc 2.8.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate pcsc 2.8.0 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pcsc 2.8.0
[INFO] finished tweaking crates.io crate pcsc 2.8.0
[INFO] tweaked toml for crates.io crate pcsc 2.8.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate pcsc 2.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while 2018 is compatible with `rust-version`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pcsc-sys v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81b5425c1fd8cee8e8dd59cbd57631c88007d1e5150602c9c0b2bd53c56c25fb
[INFO] running `Command { std: "docker" "start" "-a" "81b5425c1fd8cee8e8dd59cbd57631c88007d1e5150602c9c0b2bd53c56c25fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81b5425c1fd8cee8e8dd59cbd57631c88007d1e5150602c9c0b2bd53c56c25fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b5425c1fd8cee8e8dd59cbd57631c88007d1e5150602c9c0b2bd53c56c25fb", kill_on_drop: false }`
[INFO] [stdout] 81b5425c1fd8cee8e8dd59cbd57631c88007d1e5150602c9c0b2bd53c56c25fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d40cdc55e772c8bd8672132728ec212e326dc0865d5e56bb6a84101c60bc0e4a
[INFO] running `Command { std: "docker" "start" "-a" "d40cdc55e772c8bd8672132728ec212e326dc0865d5e56bb6a84101c60bc0e4a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while 2018 is compatible with `rust-version`
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling pcsc-sys v1.2.0
[INFO] [stderr]     Checking pcsc v2.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]     --> src/lib.rs:1046:18
[INFO] [stdout]      |
[INFO] [stdout] 1046 |         unsafe { CString::from_raw(self.inner.szReader as *mut c_char) };
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1046 |         unsafe { let _ = CString::from_raw(self.inner.szReader as *mut c_char); };
[INFO] [stdout]      |                  +++++++                                                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]     --> src/lib.rs:1046:18
[INFO] [stdout]      |
[INFO] [stdout] 1046 |         unsafe { CString::from_raw(self.inner.szReader as *mut c_char) };
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1046 |         unsafe { let _ = CString::from_raw(self.inner.szReader as *mut c_char); };
[INFO] [stdout]      |                  +++++++                                                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "d40cdc55e772c8bd8672132728ec212e326dc0865d5e56bb6a84101c60bc0e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40cdc55e772c8bd8672132728ec212e326dc0865d5e56bb6a84101c60bc0e4a", kill_on_drop: false }`
[INFO] [stdout] d40cdc55e772c8bd8672132728ec212e326dc0865d5e56bb6a84101c60bc0e4a
[INFO] checking pcsc-2.8.0 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1
[INFO] extracting crate pcsc 2.8.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate pcsc 2.8.0 on toolchain 9ae1860851f3fbc1435a1698e572252c0076f413
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pcsc 2.8.0
[INFO] finished tweaking crates.io crate pcsc 2.8.0
[INFO] tweaked toml for crates.io crate pcsc 2.8.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate pcsc 2.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while 2018 is compatible with `rust-version`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d008db8ba3a217fc89d09076ca1a392a22db7ff1c80d7fd2c28cf1c3b34f57a6
[INFO] running `Command { std: "docker" "start" "-a" "d008db8ba3a217fc89d09076ca1a392a22db7ff1c80d7fd2c28cf1c3b34f57a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d008db8ba3a217fc89d09076ca1a392a22db7ff1c80d7fd2c28cf1c3b34f57a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d008db8ba3a217fc89d09076ca1a392a22db7ff1c80d7fd2c28cf1c3b34f57a6", kill_on_drop: false }`
[INFO] [stdout] d008db8ba3a217fc89d09076ca1a392a22db7ff1c80d7fd2c28cf1c3b34f57a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99a3b8806474315609adf295e9f163da4d92cc224df491a1df4eecd2c8a65a49
[INFO] running `Command { std: "docker" "start" "-a" "99a3b8806474315609adf295e9f163da4d92cc224df491a1df4eecd2c8a65a49", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "99a3b8806474315609adf295e9f163da4d92cc224df491a1df4eecd2c8a65a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a3b8806474315609adf295e9f163da4d92cc224df491a1df4eecd2c8a65a49", kill_on_drop: false }`
[INFO] [stdout] 99a3b8806474315609adf295e9f163da4d92cc224df491a1df4eecd2c8a65a49