[INFO] fetching crate rslack 0.2.0...
[INFO] testing rslack-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rslack 0.2.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate rslack 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rslack 0.2.0
[INFO] finished tweaking crates.io crate rslack 0.2.0
[INFO] tweaked toml for crates.io crate rslack 0.2.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate rslack 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c4379a15ccd7a13f18b52376d4846587402c599a8a81e29b16e54d746cfe4b7
[INFO] running `Command { std: "docker" "start" "-a" "0c4379a15ccd7a13f18b52376d4846587402c599a8a81e29b16e54d746cfe4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c4379a15ccd7a13f18b52376d4846587402c599a8a81e29b16e54d746cfe4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4379a15ccd7a13f18b52376d4846587402c599a8a81e29b16e54d746cfe4b7", kill_on_drop: false }`
[INFO] [stdout] 0c4379a15ccd7a13f18b52376d4846587402c599a8a81e29b16e54d746cfe4b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70b893f4d1c9f51e13b41c32687186af8c107a7e5959557565aac734a0694905
[INFO] running `Command { std: "docker" "start" "-a" "70b893f4d1c9f51e13b41c32687186af8c107a7e5959557565aac734a0694905", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tracing v0.1.30
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling rslack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.21s
[INFO] running `Command { std: "docker" "inspect" "70b893f4d1c9f51e13b41c32687186af8c107a7e5959557565aac734a0694905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b893f4d1c9f51e13b41c32687186af8c107a7e5959557565aac734a0694905", kill_on_drop: false }`
[INFO] [stdout] 70b893f4d1c9f51e13b41c32687186af8c107a7e5959557565aac734a0694905
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc36d53eee69fe02a0d9564371cb434dab2fc64e1be6212e1333af87e4d8f68f
[INFO] running `Command { std: "docker" "start" "-a" "bc36d53eee69fe02a0d9564371cb434dab2fc64e1be6212e1333af87e4d8f68f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling serial_test v0.5.1
[INFO] [stderr]    Compiling rslack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.13s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rslack-e45bc10b2c413f32)
[INFO] [stderr]   Executable unittests src/bin/rslack.rs (/opt/rustwide/target/debug/deps/rslack-39a543d672a994fc)
[INFO] running `Command { std: "docker" "inspect" "bc36d53eee69fe02a0d9564371cb434dab2fc64e1be6212e1333af87e4d8f68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc36d53eee69fe02a0d9564371cb434dab2fc64e1be6212e1333af87e4d8f68f", kill_on_drop: false }`
[INFO] [stdout] bc36d53eee69fe02a0d9564371cb434dab2fc64e1be6212e1333af87e4d8f68f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f49cba6255a1e3eba90488ef6b3c16a7de44b9d2fd228f62bde676a56c1eea9
[INFO] running `Command { std: "docker" "start" "-a" "5f49cba6255a1e3eba90488ef6b3c16a7de44b9d2fd228f62bde676a56c1eea9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rslack-e45bc10b2c413f32)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test config::tests::invalid_token ... ok
[INFO] [stdout] test config::tests::valid_token ... ok
[INFO] [stdout] test console::tests::horizontal_rule_with_size ... ok
[INFO] [stdout] test console::tests::print_string_between_bars ... ok
[INFO] [stdout] test util::tests::argument_with_default ... ok
[INFO] [stdout] test option::tests::argument_with_default ... ok
[INFO] [stdout] test config::tests::initialize_with_invalid_file - should panic ... ok
[INFO] [stdout] test config::tests::initialize_with_empty_env - should panic ... ok
[INFO] [stdout] test config::tests::initialize_with_valid_file ... ok
[INFO] [stdout] test config::tests::initialize_with_env_and_file ... ok
[INFO] [stdout] test config::tests::initialize_with_env ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/rslack.rs (/opt/rustwide/target/debug/deps/rslack-39a543d672a994fc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rslack
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f49cba6255a1e3eba90488ef6b3c16a7de44b9d2fd228f62bde676a56c1eea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f49cba6255a1e3eba90488ef6b3c16a7de44b9d2fd228f62bde676a56c1eea9", kill_on_drop: false }`
[INFO] [stdout] 5f49cba6255a1e3eba90488ef6b3c16a7de44b9d2fd228f62bde676a56c1eea9