[INFO] cloning repository https://github.com/unit-mesh/stardict-wrapper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unit-mesh/stardict-wrapper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funit-mesh%2Fstardict-wrapper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funit-mesh%2Fstardict-wrapper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 512296f9709e3d5d136e17b475a6c0da6bd6698a
[INFO] checking unit-mesh/stardict-wrapper against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funit-mesh%2Fstardict-wrapper" "/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/unit-mesh/stardict-wrapper 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/unit-mesh/stardict-wrapper
[INFO] finished tweaking git repo https://github.com/unit-mesh/stardict-wrapper
[INFO] tweaked toml for git repo https://github.com/unit-mesh/stardict-wrapper written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/unit-mesh/stardict-wrapper 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package
[INFO] [stderr]     Updating stardict_wrapper v0.0.4 (/workspace/builds/worker-4-tc1/source) -> v0.0.5
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] f0eef5f35a3404b66a20256d270b202e47eacf84ccda6ead1f861d0dbdb95c16
[INFO] running `Command { std: "docker" "start" "-a" "f0eef5f35a3404b66a20256d270b202e47eacf84ccda6ead1f861d0dbdb95c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0eef5f35a3404b66a20256d270b202e47eacf84ccda6ead1f861d0dbdb95c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0eef5f35a3404b66a20256d270b202e47eacf84ccda6ead1f861d0dbdb95c16", kill_on_drop: false }`
[INFO] [stdout] f0eef5f35a3404b66a20256d270b202e47eacf84ccda6ead1f861d0dbdb95c16
[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] 05386b3aa87812a52e3663a5fd868c4b76b7ccd6945363adadc8e18ab4c5892a
[INFO] running `Command { std: "docker" "start" "-a" "05386b3aa87812a52e3663a5fd868c4b76b7ccd6945363adadc8e18ab4c5892a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking process_alive v0.1.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking stardict_lib v0.2.0
[INFO] [stderr]     Checking stardict_wrapper v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.99s
[INFO] running `Command { std: "docker" "inspect" "05386b3aa87812a52e3663a5fd868c4b76b7ccd6945363adadc8e18ab4c5892a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05386b3aa87812a52e3663a5fd868c4b76b7ccd6945363adadc8e18ab4c5892a", kill_on_drop: false }`
[INFO] [stdout] 05386b3aa87812a52e3663a5fd868c4b76b7ccd6945363adadc8e18ab4c5892a
[INFO] checking unit-mesh/stardict-wrapper against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funit-mesh%2Fstardict-wrapper" "/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/unit-mesh/stardict-wrapper 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/unit-mesh/stardict-wrapper
[INFO] finished tweaking git repo https://github.com/unit-mesh/stardict-wrapper
[INFO] tweaked toml for git repo https://github.com/unit-mesh/stardict-wrapper written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/unit-mesh/stardict-wrapper 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]      Locking 1 package
[INFO] [stderr]     Updating stardict_wrapper v0.0.4 (/workspace/builds/worker-4-tc2/source) -> v0.0.5
[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] b6bcfb979de5b8270f53cd98e8765309ee2ccd72c25a1335c0f6e7e970d39c95
[INFO] running `Command { std: "docker" "start" "-a" "b6bcfb979de5b8270f53cd98e8765309ee2ccd72c25a1335c0f6e7e970d39c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6bcfb979de5b8270f53cd98e8765309ee2ccd72c25a1335c0f6e7e970d39c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6bcfb979de5b8270f53cd98e8765309ee2ccd72c25a1335c0f6e7e970d39c95", kill_on_drop: false }`
[INFO] [stdout] b6bcfb979de5b8270f53cd98e8765309ee2ccd72c25a1335c0f6e7e970d39c95
[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] e69ef695cdbb09728c364cb7f876922e24b60657fa5f3fac0e56eca4d82aae6d
[INFO] running `Command { std: "docker" "start" "-a" "e69ef695cdbb09728c364cb7f876922e24b60657fa5f3fac0e56eca4d82aae6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking process_alive v0.1.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking stardict_lib v0.2.0
[INFO] [stderr]     Checking stardict_wrapper v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "e69ef695cdbb09728c364cb7f876922e24b60657fa5f3fac0e56eca4d82aae6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69ef695cdbb09728c364cb7f876922e24b60657fa5f3fac0e56eca4d82aae6d", kill_on_drop: false }`
[INFO] [stdout] e69ef695cdbb09728c364cb7f876922e24b60657fa5f3fac0e56eca4d82aae6d