[INFO] fetching crate mpris-player2 0.6.1...
[INFO] checking mpris-player2-0.6.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mpris-player2 0.6.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mpris-player2 0.6.1 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 mpris-player2 0.6.1
[INFO] finished tweaking crates.io crate mpris-player2 0.6.1
[INFO] tweaked toml for crates.io crate mpris-player2 0.6.1 written to /workspace/builds/worker-3-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 54 packages
[INFO] [stderr]       Adding dbus v0.6.5 (latest: v0.9.7)
[INFO] [stderr]       Adding gio-sys v0.18.1 (latest: v0.19.0)
[INFO] [stderr]       Adding glib v0.18.5 (latest: v0.19.3)
[INFO] [stderr]       Adding glib-macros v0.18.5 (latest: v0.19.3)
[INFO] [stderr]       Adding glib-sys v0.18.1 (latest: v0.19.0)
[INFO] [stderr]       Adding gobject-sys v0.18.0 (latest: v0.19.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding proc-macro-crate v2.0.2 (latest: v3.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.8.2 (latest: v0.8.12)
[INFO] [stderr]       Adding toml_datetime v0.6.3 (latest: v0.6.5)
[INFO] [stderr]       Adding toml_edit v0.20.2 (latest: v0.22.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gio-sys v0.18.1
[INFO] [stderr]   Downloaded glib-sys v0.18.1
[INFO] [stderr]   Downloaded gobject-sys v0.18.0
[INFO] [stderr]   Downloaded glib-macros v0.18.5
[INFO] [stderr]   Downloaded dbus v0.6.5
[INFO] [stderr]   Downloaded glib v0.18.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6d60606d1364ca96aaa4d2bb8185b75dfd8e323905b7ded4d5db32d9c4a83233
[INFO] running `Command { std: "docker" "start" "-a" "6d60606d1364ca96aaa4d2bb8185b75dfd8e323905b7ded4d5db32d9c4a83233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d60606d1364ca96aaa4d2bb8185b75dfd8e323905b7ded4d5db32d9c4a83233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d60606d1364ca96aaa4d2bb8185b75dfd8e323905b7ded4d5db32d9c4a83233", kill_on_drop: false }`
[INFO] [stdout] 6d60606d1364ca96aaa4d2bb8185b75dfd8e323905b7ded4d5db32d9c4a83233
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8a3c15d3dfe0a12fea68989e4a8a499a669c59258e8e608bc27ad26146d3e10c
[INFO] running `Command { std: "docker" "start" "-a" "8a3c15d3dfe0a12fea68989e4a8a499a669c59258e8e608bc27ad26146d3e10c", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libdbus-sys v0.2.5
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling toml_edit v0.20.2
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml v0.8.2
[INFO] [stderr]    Compiling proc-macro-crate v2.0.2
[INFO] [stderr]    Compiling system-deps v6.2.2
[INFO] [stderr]    Compiling glib-macros v0.18.5
[INFO] [stderr]    Compiling glib-sys v0.18.1
[INFO] [stderr]    Compiling gobject-sys v0.18.0
[INFO] [stderr]    Compiling gio-sys v0.18.1
[INFO] [stderr]     Checking glib v0.18.5
[INFO] [stderr]     Checking mpris-player2 v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `dbus` is imported redundantly
[INFO] [stdout]  --> src/generated/mediaplayer2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dbus;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate dbus;
[INFO] [stdout]   | ------------------ the item `dbus` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dbus` is imported redundantly
[INFO] [stdout]  --> src/generated/mediaplayer2_player.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dbus;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate dbus;
[INFO] [stdout]   | ------------------ the item `dbus` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dbus` is imported redundantly
[INFO] [stdout]  --> src/generated/mediaplayer2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dbus;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate dbus;
[INFO] [stdout]   | ------------------ the item `dbus` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dbus` is imported redundantly
[INFO] [stdout]  --> src/generated/mediaplayer2_player.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use dbus;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate dbus;
[INFO] [stdout]   | ------------------ the item `dbus` is already imported here
[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 23.05s
[INFO] running `Command { std: "docker" "inspect" "8a3c15d3dfe0a12fea68989e4a8a499a669c59258e8e608bc27ad26146d3e10c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a3c15d3dfe0a12fea68989e4a8a499a669c59258e8e608bc27ad26146d3e10c", kill_on_drop: false }`
[INFO] [stdout] 8a3c15d3dfe0a12fea68989e4a8a499a669c59258e8e608bc27ad26146d3e10c