[INFO] fetching crate dbus-launch 0.2.0...
[INFO] checking dbus-launch-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate dbus-launch 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate dbus-launch 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbus-launch 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dbus-launch 0.2.0
[INFO] tweaked toml for crates.io crate dbus-launch 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb7d0d153d3253488a04f1f5a61e65bb74375520384217a5f68670a46fe0401e
[INFO] running `Command { std: "docker" "start" "-a" "eb7d0d153d3253488a04f1f5a61e65bb74375520384217a5f68670a46fe0401e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb7d0d153d3253488a04f1f5a61e65bb74375520384217a5f68670a46fe0401e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7d0d153d3253488a04f1f5a61e65bb74375520384217a5f68670a46fe0401e", kill_on_drop: false }`
[INFO] [stdout] eb7d0d153d3253488a04f1f5a61e65bb74375520384217a5f68670a46fe0401e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b96291112767b7d009609631c5cd5c1901289d70b9d5fe508b1ac3b7bc7269e4
[INFO] running `Command { std: "docker" "start" "-a" "b96291112767b7d009609631c5cd5c1901289d70b9d5fe508b1ac3b7bc7269e4", kill_on_drop: false }`
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking dbus-launch v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/pipe.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{self, c_int, c_void};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/sys.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{self, c_char, c_int};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/pipe.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{self, c_int, c_void};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/sys.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{self, c_char, c_int};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[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` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "b96291112767b7d009609631c5cd5c1901289d70b9d5fe508b1ac3b7bc7269e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96291112767b7d009609631c5cd5c1901289d70b9d5fe508b1ac3b7bc7269e4", kill_on_drop: false }`
[INFO] [stdout] b96291112767b7d009609631c5cd5c1901289d70b9d5fe508b1ac3b7bc7269e4
[INFO] checking dbus-launch-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate dbus-launch 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate dbus-launch 0.2.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbus-launch 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dbus-launch 0.2.0
[INFO] tweaked toml for crates.io crate dbus-launch 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73c5cd70ed1eeb248a11f6172b4f46d85a4c9155a2e008dc84796e3d5a49a3fc
[INFO] running `Command { std: "docker" "start" "-a" "73c5cd70ed1eeb248a11f6172b4f46d85a4c9155a2e008dc84796e3d5a49a3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73c5cd70ed1eeb248a11f6172b4f46d85a4c9155a2e008dc84796e3d5a49a3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c5cd70ed1eeb248a11f6172b4f46d85a4c9155a2e008dc84796e3d5a49a3fc", kill_on_drop: false }`
[INFO] [stdout] 73c5cd70ed1eeb248a11f6172b4f46d85a4c9155a2e008dc84796e3d5a49a3fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5957121fa794da249956f2271388172b079c98443f824a9df75bfd0fec7a24c7
[INFO] running `Command { std: "docker" "start" "-a" "5957121fa794da249956f2271388172b079c98443f824a9df75bfd0fec7a24c7", kill_on_drop: false }`
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking dbus-launch v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/pipe.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{self, c_int, c_void};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/sys.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{self, c_char, c_int};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/pipe.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{self, c_int, c_void};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/sys.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::{self, c_char, c_int};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[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` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "5957121fa794da249956f2271388172b079c98443f824a9df75bfd0fec7a24c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5957121fa794da249956f2271388172b079c98443f824a9df75bfd0fec7a24c7", kill_on_drop: false }`
[INFO] [stdout] 5957121fa794da249956f2271388172b079c98443f824a9df75bfd0fec7a24c7