[INFO] fetching crate syncthing 0.4.2...
[INFO] testing syncthing-0.4.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate syncthing 0.4.2 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate syncthing 0.4.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syncthing 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate syncthing 0.4.2
[INFO] tweaked toml for crates.io crate syncthing 0.4.2 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate crates.io crate syncthing 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 491cc311f3c9db1d541caa69afb0c25066cacb5ce21142e8aa3187d88313a277
[INFO] running `Command { std: "docker" "start" "-a" "491cc311f3c9db1d541caa69afb0c25066cacb5ce21142e8aa3187d88313a277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "491cc311f3c9db1d541caa69afb0c25066cacb5ce21142e8aa3187d88313a277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491cc311f3c9db1d541caa69afb0c25066cacb5ce21142e8aa3187d88313a277", kill_on_drop: false }`
[INFO] [stdout] 491cc311f3c9db1d541caa69afb0c25066cacb5ce21142e8aa3187d88313a277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 629b4e414caac0a961de45c3c853b9763153e4a834ea6014624b0ff2f2744cac
[INFO] running `Command { std: "docker" "start" "-a" "629b4e414caac0a961de45c3c853b9763153e4a834ea6014624b0ff2f2744cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling tracing-core v0.1.16
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling syncthing v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.50s
[INFO] running `Command { std: "docker" "inspect" "629b4e414caac0a961de45c3c853b9763153e4a834ea6014624b0ff2f2744cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629b4e414caac0a961de45c3c853b9763153e4a834ea6014624b0ff2f2744cac", kill_on_drop: false }`
[INFO] [stdout] 629b4e414caac0a961de45c3c853b9763153e4a834ea6014624b0ff2f2744cac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fba204ea4a949cdf282522b4174ceffce75ed7074801e4c19a09b3f6b92cb23a
[INFO] running `Command { std: "docker" "start" "-a" "fba204ea4a949cdf282522b4174ceffce75ed7074801e4c19a09b3f6b92cb23a", 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] [stderr]    Compiling syncthing v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read examples/../api.key: No such file or directory (os error 2)
[INFO] [stdout]  --> examples/event_printer.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let client = Client::new(include_str!("../api.key"));
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read examples/../api.key: No such file or directory (os error 2)
[INFO] [stdout]  --> examples/system_info.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let client = Client::new(include_str!("../api.key"));
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syncthing` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't read src/../api.key: No such file or directory (os error 2)
[INFO] [stdout]  --> src/tests.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | static API_KEY: &str = include_str!("../api.key");
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fba204ea4a949cdf282522b4174ceffce75ed7074801e4c19a09b3f6b92cb23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba204ea4a949cdf282522b4174ceffce75ed7074801e4c19a09b3f6b92cb23a", kill_on_drop: false }`
[INFO] [stdout] fba204ea4a949cdf282522b4174ceffce75ed7074801e4c19a09b3f6b92cb23a