[INFO] cloning repository https://github.com/N1ghtSe7en/NSevenHelloWorld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/N1ghtSe7en/NSevenHelloWorld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN1ghtSe7en%2FNSevenHelloWorld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN1ghtSe7en%2FNSevenHelloWorld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a1515e43763c5ebaad02def6eb3243bc4005f45
[INFO] checking N1ghtSe7en/NSevenHelloWorld against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN1ghtSe7en%2FNSevenHelloWorld" "/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/N1ghtSe7en/NSevenHelloWorld 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/N1ghtSe7en/NSevenHelloWorld
[INFO] finished tweaking git repo https://github.com/N1ghtSe7en/NSevenHelloWorld
[INFO] tweaked toml for git repo https://github.com/N1ghtSe7en/NSevenHelloWorld written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/N1ghtSe7en/NSevenHelloWorld 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]      Locking 1 package
[INFO] [stderr]       Adding greeter v0.1.0 (/workspace/builds/worker-7-tc1/source)
[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] 772fd1a51b3bcdf2951c3793f3150d5a93ccd9988f13e5d010e0f697b66e5403
[INFO] running `Command { std: "docker" "start" "-a" "772fd1a51b3bcdf2951c3793f3150d5a93ccd9988f13e5d010e0f697b66e5403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "772fd1a51b3bcdf2951c3793f3150d5a93ccd9988f13e5d010e0f697b66e5403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772fd1a51b3bcdf2951c3793f3150d5a93ccd9988f13e5d010e0f697b66e5403", kill_on_drop: false }`
[INFO] [stdout] 772fd1a51b3bcdf2951c3793f3150d5a93ccd9988f13e5d010e0f697b66e5403
[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] 01a067f643d8d07c397f706a4f26328ad8ec0d2c3920f64b966b102935cb270f
[INFO] running `Command { std: "docker" "start" "-a" "01a067f643d8d07c397f706a4f26328ad8ec0d2c3920f64b966b102935cb270f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking near-runtime-utils v4.0.0-pre.1
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling borsh-derive-internal v0.8.2
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.2
[INFO] [stderr]    Compiling near-sdk-core v3.1.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling near-sdk-macros v3.1.0
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling near-rpc-error-core v0.1.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling near-rpc-error-macro v0.1.0
[INFO] [stderr]    Compiling borsh-derive v0.8.2
[INFO] [stderr]     Checking borsh v0.8.2
[INFO] [stderr]     Checking near-primitives-core v0.4.0
[INFO] [stderr]     Checking near-vm-errors v4.0.0-pre.1
[INFO] [stderr]     Checking near-vm-logic v4.0.0-pre.1
[INFO] [stderr]     Checking near-sdk v3.1.0
[INFO] [stderr]     Checking greeter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.43s
[INFO] running `Command { std: "docker" "inspect" "01a067f643d8d07c397f706a4f26328ad8ec0d2c3920f64b966b102935cb270f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a067f643d8d07c397f706a4f26328ad8ec0d2c3920f64b966b102935cb270f", kill_on_drop: false }`
[INFO] [stdout] 01a067f643d8d07c397f706a4f26328ad8ec0d2c3920f64b966b102935cb270f
[INFO] checking N1ghtSe7en/NSevenHelloWorld against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN1ghtSe7en%2FNSevenHelloWorld" "/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/N1ghtSe7en/NSevenHelloWorld 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/N1ghtSe7en/NSevenHelloWorld
[INFO] finished tweaking git repo https://github.com/N1ghtSe7en/NSevenHelloWorld
[INFO] tweaked toml for git repo https://github.com/N1ghtSe7en/NSevenHelloWorld written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/N1ghtSe7en/NSevenHelloWorld 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]       Adding greeter v0.1.0 (/workspace/builds/worker-7-tc2/source)
[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] 8557b7cf31d21aa262542d74ba0c15dd67ff5bb728be7ec4d292d3b8ca40320b
[INFO] running `Command { std: "docker" "start" "-a" "8557b7cf31d21aa262542d74ba0c15dd67ff5bb728be7ec4d292d3b8ca40320b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8557b7cf31d21aa262542d74ba0c15dd67ff5bb728be7ec4d292d3b8ca40320b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8557b7cf31d21aa262542d74ba0c15dd67ff5bb728be7ec4d292d3b8ca40320b", kill_on_drop: false }`
[INFO] [stdout] 8557b7cf31d21aa262542d74ba0c15dd67ff5bb728be7ec4d292d3b8ca40320b
[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] cdfae7510e6bb821f556d2caf2df7c14f892ead19f0780d57ed58da5f19ffe70
[INFO] running `Command { std: "docker" "start" "-a" "cdfae7510e6bb821f556d2caf2df7c14f892ead19f0780d57ed58da5f19ffe70", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking near-runtime-utils v4.0.0-pre.1
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling borsh-derive-internal v0.8.2
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.2
[INFO] [stderr]    Compiling near-sdk-core v3.1.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling near-sdk-macros v3.1.0
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling near-rpc-error-core v0.1.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling near-rpc-error-macro v0.1.0
[INFO] [stderr]    Compiling borsh-derive v0.8.2
[INFO] [stderr]     Checking borsh v0.8.2
[INFO] [stderr]     Checking near-vm-errors v4.0.0-pre.1
[INFO] [stderr]     Checking near-primitives-core v0.4.0
[INFO] [stderr]     Checking near-vm-logic v4.0.0-pre.1
[INFO] [stderr]     Checking near-sdk v3.1.0
[INFO] [stderr]     Checking greeter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.77s
[INFO] running `Command { std: "docker" "inspect" "cdfae7510e6bb821f556d2caf2df7c14f892ead19f0780d57ed58da5f19ffe70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdfae7510e6bb821f556d2caf2df7c14f892ead19f0780d57ed58da5f19ffe70", kill_on_drop: false }`
[INFO] [stdout] cdfae7510e6bb821f556d2caf2df7c14f892ead19f0780d57ed58da5f19ffe70