[INFO] cloning repository https://github.com/cjsmocjsmo/dedup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjsmocjsmo/dedup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjsmocjsmo%2Fdedup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjsmocjsmo%2Fdedup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2269608327c5f7ba803de3c7ea66594b68b50536
[INFO] checking cjsmocjsmo/dedup against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjsmocjsmo%2Fdedup" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjsmocjsmo/dedup 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/cjsmocjsmo/dedup
[INFO] finished tweaking git repo https://github.com/cjsmocjsmo/dedup
[INFO] tweaked toml for git repo https://github.com/cjsmocjsmo/dedup written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cjsmocjsmo/dedup 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 rustfft v3.0.1
[INFO] [stderr]   Downloaded rustdct v0.4.0
[INFO] [stderr]   Downloaded transpose v0.1.0
[INFO] [stderr]   Downloaded transpose v0.2.2
[INFO] [stderr]   Downloaded img_hash v3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ba2dc37fd46e484aabcb070592912561bdadc4a48463f3e239539d07fd1cf61c
[INFO] running `Command { std: "docker" "start" "-a" "ba2dc37fd46e484aabcb070592912561bdadc4a48463f3e239539d07fd1cf61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba2dc37fd46e484aabcb070592912561bdadc4a48463f3e239539d07fd1cf61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2dc37fd46e484aabcb070592912561bdadc4a48463f3e239539d07fd1cf61c", kill_on_drop: false }`
[INFO] [stdout] ba2dc37fd46e484aabcb070592912561bdadc4a48463f3e239539d07fd1cf61c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ed123010e453285bebde41653af8f4aa97293963ff551068569619d335a29122
[INFO] running `Command { std: "docker" "start" "-a" "ed123010e453285bebde41653af8f4aa97293963ff551068569619d335a29122", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking rustfft v3.0.1
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking transpose v0.2.2
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking rustdct v0.4.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking img_hash v3.2.0
[INFO] [stderr]     Checking dedup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.69s
[INFO] running `Command { std: "docker" "inspect" "ed123010e453285bebde41653af8f4aa97293963ff551068569619d335a29122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed123010e453285bebde41653af8f4aa97293963ff551068569619d335a29122", kill_on_drop: false }`
[INFO] [stdout] ed123010e453285bebde41653af8f4aa97293963ff551068569619d335a29122
[INFO] checking cjsmocjsmo/dedup against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjsmocjsmo%2Fdedup" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjsmocjsmo/dedup 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/cjsmocjsmo/dedup
[INFO] finished tweaking git repo https://github.com/cjsmocjsmo/dedup
[INFO] tweaked toml for git repo https://github.com/cjsmocjsmo/dedup written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cjsmocjsmo/dedup 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]     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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3b6e7155faaacc565694aef85bd9f0b53d2b53d085e43f7a5a5d24499b2b33ad
[INFO] running `Command { std: "docker" "start" "-a" "3b6e7155faaacc565694aef85bd9f0b53d2b53d085e43f7a5a5d24499b2b33ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b6e7155faaacc565694aef85bd9f0b53d2b53d085e43f7a5a5d24499b2b33ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6e7155faaacc565694aef85bd9f0b53d2b53d085e43f7a5a5d24499b2b33ad", kill_on_drop: false }`
[INFO] [stdout] 3b6e7155faaacc565694aef85bd9f0b53d2b53d085e43f7a5a5d24499b2b33ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] de8de01af105b5c41bb07198ea5735d331b8c4a8269520588c167203b464a53a
[INFO] running `Command { std: "docker" "start" "-a" "de8de01af105b5c41bb07198ea5735d331b8c4a8269520588c167203b464a53a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking rustfft v3.0.1
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking transpose v0.2.2
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking rustdct v0.4.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking img_hash v3.2.0
[INFO] [stderr]     Checking dedup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.67s
[INFO] running `Command { std: "docker" "inspect" "de8de01af105b5c41bb07198ea5735d331b8c4a8269520588c167203b464a53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8de01af105b5c41bb07198ea5735d331b8c4a8269520588c167203b464a53a", kill_on_drop: false }`
[INFO] [stdout] de8de01af105b5c41bb07198ea5735d331b8c4a8269520588c167203b464a53a