[INFO] fetching crate synac 0.6.2...
[INFO] testing synac-0.6.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate synac 0.6.2 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate synac 0.6.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synac 0.6.2
[INFO] finished tweaking crates.io crate synac 0.6.2
[INFO] tweaked toml for crates.io crate synac 0.6.2 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2376527efae83196a3ec8db3933b8a25a56113196ea24ea4f5657073fe53f6c0
[INFO] running `Command { std: "docker" "start" "-a" "2376527efae83196a3ec8db3933b8a25a56113196ea24ea4f5657073fe53f6c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2376527efae83196a3ec8db3933b8a25a56113196ea24ea4f5657073fe53f6c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2376527efae83196a3ec8db3933b8a25a56113196ea24ea4f5657073fe53f6c0", kill_on_drop: false }`
[INFO] [stdout] 2376527efae83196a3ec8db3933b8a25a56113196ea24ea4f5657073fe53f6c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51bbac24ab26797f82ed79982cc01b1406b7b9c315ae15ca1ff7e41fe42886d8
[INFO] running `Command { std: "docker" "start" "-a" "51bbac24ab26797f82ed79982cc01b1406b7b9c315ae15ca1ff7e41fe42886d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling synac v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.46s
[INFO] running `Command { std: "docker" "inspect" "51bbac24ab26797f82ed79982cc01b1406b7b9c315ae15ca1ff7e41fe42886d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51bbac24ab26797f82ed79982cc01b1406b7b9c315ae15ca1ff7e41fe42886d8", kill_on_drop: false }`
[INFO] [stdout] 51bbac24ab26797f82ed79982cc01b1406b7b9c315ae15ca1ff7e41fe42886d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd24d095571468386f273a4ec69c528fe7a3252ce870c4a6422e44bc36a56824
[INFO] running `Command { std: "docker" "start" "-a" "dd24d095571468386f273a4ec69c528fe7a3252ce870c4a6422e44bc36a56824", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling synac v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `futures`
[INFO] [stdout]  --> examples/tokio.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate futures;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `ADDR` not defined
[INFO] [stdout]  --> examples/nonblocking.rs:9:36
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut session = Session::new(env!("ADDR"), env!("HASH")).unwrap();
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `env` (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] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `HASH` not defined
[INFO] [stdout]  --> examples/nonblocking.rs:9:50
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut session = Session::new(env!("ADDR"), env!("HASH")).unwrap();
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synac` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: environment variable `USERNAME` not defined
[INFO] [stdout]   --> examples/nonblocking.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     session.login_with_token(true, env!("USERNAME"), env!("TOKEN")).unwrap(); // true specifies it's a bot account
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `TOKEN` not defined
[INFO] [stdout]   --> examples/nonblocking.rs:10:54
[INFO] [stdout]    |
[INFO] [stdout] 10 |     session.login_with_token(true, env!("USERNAME"), env!("TOKEN")).unwrap(); // true specifies it's a bot account
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `ADDR` not defined
[INFO] [stdout]  --> examples/main.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut session = Session::new(env!("ADDR"), env!("HASH")).unwrap();
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `HASH` not defined
[INFO] [stdout]  --> examples/main.rs:7:50
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut session = Session::new(env!("ADDR"), env!("HASH")).unwrap();
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `USERNAME` not defined
[INFO] [stdout]  --> examples/main.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 |     session.login_with_token(true, env!("USERNAME"), env!("TOKEN")).unwrap(); // true specifies it's a bot account
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `TOKEN` not defined
[INFO] [stdout]  --> examples/main.rs:8:54
[INFO] [stdout]   |
[INFO] [stdout] 8 |     session.login_with_token(true, env!("USERNAME"), env!("TOKEN")).unwrap(); // true specifies it's a bot account
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dd24d095571468386f273a4ec69c528fe7a3252ce870c4a6422e44bc36a56824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd24d095571468386f273a4ec69c528fe7a3252ce870c4a6422e44bc36a56824", kill_on_drop: false }`
[INFO] [stdout] dd24d095571468386f273a4ec69c528fe7a3252ce870c4a6422e44bc36a56824