[INFO] cloning repository https://github.com/Gabriel-Rosmart/loki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gabriel-Rosmart/loki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabriel-Rosmart%2Floki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabriel-Rosmart%2Floki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f0c94e11933ddb7984e6469347cc97da143d0a8
[INFO] checking Gabriel-Rosmart/loki against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabriel-Rosmart%2Floki" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gabriel-Rosmart/loki 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/Gabriel-Rosmart/loki
[INFO] finished tweaking git repo https://github.com/Gabriel-Rosmart/loki
[INFO] tweaked toml for git repo https://github.com/Gabriel-Rosmart/loki written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Gabriel-Rosmart/loki 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] warning: unused manifest key: dependencies.serde.feature
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny_http v0.12.0
[INFO] [stderr]   Downloaded tl v0.7.7
[INFO] [stderr]   Downloaded rust-stemmers v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0882f522b48ad14cb13cd3c17783c4c9e5da203184969b9800fd995b2559e90a
[INFO] running `Command { std: "docker" "start" "-a" "0882f522b48ad14cb13cd3c17783c4c9e5da203184969b9800fd995b2559e90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0882f522b48ad14cb13cd3c17783c4c9e5da203184969b9800fd995b2559e90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0882f522b48ad14cb13cd3c17783c4c9e5da203184969b9800fd995b2559e90a", kill_on_drop: false }`
[INFO] [stdout] 0882f522b48ad14cb13cd3c17783c4c9e5da203184969b9800fd995b2559e90a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9f3f4cb36ed458d0b80b5a42d7a85521b41a6f7633f12094f2b458bb6f8481ad
[INFO] running `Command { std: "docker" "start" "-a" "9f3f4cb36ed458d0b80b5a42d7a85521b41a6f7633f12094f2b458bb6f8481ad", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.serde.feature
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking chunked_transfer v1.4.1
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking tl v0.7.7
[INFO] [stderr]     Checking xml-rs v0.8.14
[INFO] [stderr]     Checking tiny_http v0.12.0
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling serde_derive v1.0.166
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking loki v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.06s
[INFO] running `Command { std: "docker" "inspect" "9f3f4cb36ed458d0b80b5a42d7a85521b41a6f7633f12094f2b458bb6f8481ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3f4cb36ed458d0b80b5a42d7a85521b41a6f7633f12094f2b458bb6f8481ad", kill_on_drop: false }`
[INFO] [stdout] 9f3f4cb36ed458d0b80b5a42d7a85521b41a6f7633f12094f2b458bb6f8481ad
[INFO] checking Gabriel-Rosmart/loki against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabriel-Rosmart%2Floki" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gabriel-Rosmart/loki 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/Gabriel-Rosmart/loki
[INFO] finished tweaking git repo https://github.com/Gabriel-Rosmart/loki
[INFO] tweaked toml for git repo https://github.com/Gabriel-Rosmart/loki written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Gabriel-Rosmart/loki 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] [stderr] warning: unused manifest key: dependencies.serde.feature
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9b5371233d7d29863fa9f2572446355c4b06af27f67a894f5142ba7be7b60412
[INFO] running `Command { std: "docker" "start" "-a" "9b5371233d7d29863fa9f2572446355c4b06af27f67a894f5142ba7be7b60412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5371233d7d29863fa9f2572446355c4b06af27f67a894f5142ba7be7b60412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5371233d7d29863fa9f2572446355c4b06af27f67a894f5142ba7be7b60412", kill_on_drop: false }`
[INFO] [stdout] 9b5371233d7d29863fa9f2572446355c4b06af27f67a894f5142ba7be7b60412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ead754f213f184dbc0e892042b5835993d36e5a9294124da731137bda0fa8ca9
[INFO] running `Command { std: "docker" "start" "-a" "ead754f213f184dbc0e892042b5835993d36e5a9294124da731137bda0fa8ca9", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.serde.feature
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking chunked_transfer v1.4.1
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking xml-rs v0.8.14
[INFO] [stderr]     Checking tl v0.7.7
[INFO] [stderr]     Checking tiny_http v0.12.0
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling serde_derive v1.0.166
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking loki v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.49s
[INFO] running `Command { std: "docker" "inspect" "ead754f213f184dbc0e892042b5835993d36e5a9294124da731137bda0fa8ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead754f213f184dbc0e892042b5835993d36e5a9294124da731137bda0fa8ca9", kill_on_drop: false }`
[INFO] [stdout] ead754f213f184dbc0e892042b5835993d36e5a9294124da731137bda0fa8ca9