[INFO] cloning repository https://github.com/joaoh82/marvin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joaoh82/marvin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaoh82%2Fmarvin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaoh82%2Fmarvin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 903811dda8a617d5248ea2702ed637c4a2d49366
[INFO] checking joaoh82/marvin against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaoh82%2Fmarvin" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaoh82/marvin 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/joaoh82/marvin
[INFO] finished tweaking git repo https://github.com/joaoh82/marvin
[INFO] tweaked toml for git repo https://github.com/joaoh82/marvin written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/joaoh82/marvin 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded daemonize v0.4.1
[INFO] [stderr]   Downloaded systemstat v0.1.8
[INFO] [stderr]   Downloaded sysinfo v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4a9f43dd0292d92d6a1fe15214893f563c0e48a51fa8496c3565330a9aa021ae
[INFO] running `Command { std: "docker" "start" "-a" "4a9f43dd0292d92d6a1fe15214893f563c0e48a51fa8496c3565330a9aa021ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a9f43dd0292d92d6a1fe15214893f563c0e48a51fa8496c3565330a9aa021ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a9f43dd0292d92d6a1fe15214893f563c0e48a51fa8496c3565330a9aa021ae", kill_on_drop: false }`
[INFO] [stdout] 4a9f43dd0292d92d6a1fe15214893f563c0e48a51fa8496c3565330a9aa021ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e7903d90b485ca688075734e1c2764ab13157e07ed232f67bbd0337027bac874
[INFO] running `Command { std: "docker" "start" "-a" "e7903d90b485ca688075734e1c2764ab13157e07ed232f67bbd0337027bac874", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling sysinfo v0.20.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking systemstat v0.1.8
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking marvin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `toml::Value`
[INFO] [stdout]  --> src/config/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use toml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml::Value`
[INFO] [stdout]  --> src/config/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use toml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.84s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: daemonize v0.4.1, nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "e7903d90b485ca688075734e1c2764ab13157e07ed232f67bbd0337027bac874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7903d90b485ca688075734e1c2764ab13157e07ed232f67bbd0337027bac874", kill_on_drop: false }`
[INFO] [stdout] e7903d90b485ca688075734e1c2764ab13157e07ed232f67bbd0337027bac874
[INFO] checking joaoh82/marvin against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaoh82%2Fmarvin" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaoh82/marvin on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joaoh82/marvin
[INFO] finished tweaking git repo https://github.com/joaoh82/marvin
[INFO] tweaked toml for git repo https://github.com/joaoh82/marvin written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/joaoh82/marvin 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd9360fcf6035909ca2bde662dfbec5b05c70e62a9320a0a29d47cd03e550662
[INFO] running `Command { std: "docker" "start" "-a" "cd9360fcf6035909ca2bde662dfbec5b05c70e62a9320a0a29d47cd03e550662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd9360fcf6035909ca2bde662dfbec5b05c70e62a9320a0a29d47cd03e550662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9360fcf6035909ca2bde662dfbec5b05c70e62a9320a0a29d47cd03e550662", kill_on_drop: false }`
[INFO] [stdout] cd9360fcf6035909ca2bde662dfbec5b05c70e62a9320a0a29d47cd03e550662
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af7d9889b6276778285defc9774b2394b9e42113d273c7346e34e2b269886fac
[INFO] running `Command { std: "docker" "start" "-a" "af7d9889b6276778285defc9774b2394b9e42113d273c7346e34e2b269886fac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling sysinfo v0.20.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking systemstat v0.1.8
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking marvin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `toml::Value`
[INFO] [stdout]  --> src/config/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use toml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml::Value`
[INFO] [stdout]  --> src/config/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use toml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: daemonize v0.4.1, nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "af7d9889b6276778285defc9774b2394b9e42113d273c7346e34e2b269886fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7d9889b6276778285defc9774b2394b9e42113d273c7346e34e2b269886fac", kill_on_drop: false }`
[INFO] [stdout] af7d9889b6276778285defc9774b2394b9e42113d273c7346e34e2b269886fac