[INFO] cloning repository https://github.com/Marval13/shelly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Marval13/shelly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarval13%2Fshelly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarval13%2Fshelly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 777a4dbc87dea96e9a02f1627350703e10d943c1
[INFO] checking Marval13/shelly against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarval13%2Fshelly" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Marval13/shelly 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 git repo https://github.com/Marval13/shelly
[INFO] finished tweaking git repo https://github.com/Marval13/shelly
[INFO] tweaked toml for git repo https://github.com/Marval13/shelly written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Marval13/shelly 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.23
[INFO] [stderr]   Downloaded termtree v0.2.1
[INFO] [stderr]   Downloaded predicates-tree v1.0.4
[INFO] [stderr]   Downloaded assert_cmd v2.0.2
[INFO] [stderr]   Downloaded predicates v2.0.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bd4791c5f60b706edace64f8a16a5e78155810238020bd2746ee64df77eec540
[INFO] running `Command { std: "docker" "start" "-a" "bd4791c5f60b706edace64f8a16a5e78155810238020bd2746ee64df77eec540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd4791c5f60b706edace64f8a16a5e78155810238020bd2746ee64df77eec540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4791c5f60b706edace64f8a16a5e78155810238020bd2746ee64df77eec540", kill_on_drop: false }`
[INFO] [stdout] bd4791c5f60b706edace64f8a16a5e78155810238020bd2746ee64df77eec540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b51daffec78d6f2ba50946c8d73fbdaf1054f97f12d6ce5493a7a0f6a24f80cd
[INFO] running `Command { std: "docker" "start" "-a" "b51daffec78d6f2ba50946c8d73fbdaf1054f97f12d6ce5493a7a0f6a24f80cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking termtree v0.2.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking predicates-tree v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking predicates v2.0.3
[INFO] [stderr]     Checking assert_cmd v2.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking shelly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `predicates` is imported redundantly
[INFO] [stdout]  --> tests/integration_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use predicates;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `predicates` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "b51daffec78d6f2ba50946c8d73fbdaf1054f97f12d6ce5493a7a0f6a24f80cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51daffec78d6f2ba50946c8d73fbdaf1054f97f12d6ce5493a7a0f6a24f80cd", kill_on_drop: false }`
[INFO] [stdout] b51daffec78d6f2ba50946c8d73fbdaf1054f97f12d6ce5493a7a0f6a24f80cd
[INFO] checking Marval13/shelly against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarval13%2Fshelly" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Marval13/shelly on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Marval13/shelly
[INFO] finished tweaking git repo https://github.com/Marval13/shelly
[INFO] tweaked toml for git repo https://github.com/Marval13/shelly written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Marval13/shelly 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20b84451513e2abca8dfc12a03ddcd0732573bfe1c5bf9742ac4185d386583d4
[INFO] running `Command { std: "docker" "start" "-a" "20b84451513e2abca8dfc12a03ddcd0732573bfe1c5bf9742ac4185d386583d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20b84451513e2abca8dfc12a03ddcd0732573bfe1c5bf9742ac4185d386583d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b84451513e2abca8dfc12a03ddcd0732573bfe1c5bf9742ac4185d386583d4", kill_on_drop: false }`
[INFO] [stdout] 20b84451513e2abca8dfc12a03ddcd0732573bfe1c5bf9742ac4185d386583d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee88b15595bc960bbaa4745fdface8421c790fcee83891326a9424ef98b70a94
[INFO] running `Command { std: "docker" "start" "-a" "ee88b15595bc960bbaa4745fdface8421c790fcee83891326a9424ef98b70a94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking termtree v0.2.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking predicates-tree v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking predicates v2.0.3
[INFO] [stderr]     Checking assert_cmd v2.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking shelly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `predicates` is imported redundantly
[INFO] [stdout]  --> tests/integration_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use predicates;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `predicates` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.68s
[INFO] running `Command { std: "docker" "inspect" "ee88b15595bc960bbaa4745fdface8421c790fcee83891326a9424ef98b70a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee88b15595bc960bbaa4745fdface8421c790fcee83891326a9424ef98b70a94", kill_on_drop: false }`
[INFO] [stdout] ee88b15595bc960bbaa4745fdface8421c790fcee83891326a9424ef98b70a94