[INFO] fetching crate desk-exit-screen 0.2.2...
[INFO] testing desk-exit-screen-0.2.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate desk-exit-screen 0.2.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate desk-exit-screen 0.2.2
[INFO] finished tweaking crates.io crate desk-exit-screen 0.2.2
[INFO] tweaked toml for crates.io crate desk-exit-screen 0.2.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate desk-exit-screen 0.2.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate desk-exit-screen 0.2.2 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8414a1857c55a92ea64d5036cf9e89ab7a6ab9217af12083a577d40beb987bcb
[INFO] running `Command { std: "docker" "start" "-a" "8414a1857c55a92ea64d5036cf9e89ab7a6ab9217af12083a577d40beb987bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8414a1857c55a92ea64d5036cf9e89ab7a6ab9217af12083a577d40beb987bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8414a1857c55a92ea64d5036cf9e89ab7a6ab9217af12083a577d40beb987bcb", kill_on_drop: false }`
[INFO] [stdout] 8414a1857c55a92ea64d5036cf9e89ab7a6ab9217af12083a577d40beb987bcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29eaa46e26b9afd4c2bd780ccf37ee65ed93098fe9e6f6d8b6bf13755d300e8e
[INFO] running `Command { std: "docker" "start" "-a" "29eaa46e26b9afd4c2bd780ccf37ee65ed93098fe9e6f6d8b6bf13755d300e8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling dbus v0.9.1
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling directories v3.0.1
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling desk-logind v1.1.1
[INFO] [stdout] error[E0407]: method `backtrace` is not a member of trait `std::error::Error`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desk-logind-1.1.1/src/error.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Error, Debug)]
[INFO] [stdout]   |          ^^^^^ not a member of trait `std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `backtrace` found for reference `&(dyn std::error::Error + 'static)` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desk-logind-1.1.1/src/error.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         source: DBusError,
[INFO] [stdout]    |         ^^^^^^ method not found in `&(dyn std::error::Error + 'static)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `backtrace` found for reference `&(dyn std::error::Error + 'static)` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desk-logind-1.1.1/src/error.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         source: DBusError,
[INFO] [stdout]    |         ^^^^^^ method not found in `&(dyn std::error::Error + 'static)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `backtrace` found for reference `&(dyn std::error::Error + 'static)` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/desk-logind-1.1.1/src/error.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         source: nix::Error,
[INFO] [stdout]    |         ^^^^^^ method not found in `&(dyn std::error::Error + 'static)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0407, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0407`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `desk-logind` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "29eaa46e26b9afd4c2bd780ccf37ee65ed93098fe9e6f6d8b6bf13755d300e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29eaa46e26b9afd4c2bd780ccf37ee65ed93098fe9e6f6d8b6bf13755d300e8e", kill_on_drop: false }`
[INFO] [stdout] 29eaa46e26b9afd4c2bd780ccf37ee65ed93098fe9e6f6d8b6bf13755d300e8e