[INFO] fetching crate imageinfo 0.7.9...
[INFO] checking imageinfo-0.7.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate imageinfo 0.7.9 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate imageinfo 0.7.9 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 crates.io crate imageinfo 0.7.9
[INFO] finished tweaking crates.io crate imageinfo 0.7.9
[INFO] tweaked toml for crates.io crate imageinfo 0.7.9 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate imageinfo 0.7.9 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a5b8a4f450a161ffdf8e149083dda456b60a47a0baf5d0ca258ab21814cce64b
[INFO] running `Command { std: "docker" "start" "-a" "a5b8a4f450a161ffdf8e149083dda456b60a47a0baf5d0ca258ab21814cce64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b8a4f450a161ffdf8e149083dda456b60a47a0baf5d0ca258ab21814cce64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b8a4f450a161ffdf8e149083dda456b60a47a0baf5d0ca258ab21814cce64b", kill_on_drop: false }`
[INFO] [stdout] a5b8a4f450a161ffdf8e149083dda456b60a47a0baf5d0ca258ab21814cce64b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ca0052a9d3b51b56401bee833f16111a1e7e17cca8f339945345868d74aabb58
[INFO] running `Command { std: "docker" "start" "-a" "ca0052a9d3b51b56401bee833f16111a1e7e17cca8f339945345868d74aabb58", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]     Checking imageinfo v0.7.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.65s
[INFO] running `Command { std: "docker" "inspect" "ca0052a9d3b51b56401bee833f16111a1e7e17cca8f339945345868d74aabb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0052a9d3b51b56401bee833f16111a1e7e17cca8f339945345868d74aabb58", kill_on_drop: false }`
[INFO] [stdout] ca0052a9d3b51b56401bee833f16111a1e7e17cca8f339945345868d74aabb58
[INFO] checking imageinfo-0.7.9 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate imageinfo 0.7.9 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate imageinfo 0.7.9 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 crates.io crate imageinfo 0.7.9
[INFO] finished tweaking crates.io crate imageinfo 0.7.9
[INFO] tweaked toml for crates.io crate imageinfo 0.7.9 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate imageinfo 0.7.9 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] be0ba548bbbaae0c8c9b188d58f946bdb8ef27eec1cb14c735a461103689adf4
[INFO] running `Command { std: "docker" "start" "-a" "be0ba548bbbaae0c8c9b188d58f946bdb8ef27eec1cb14c735a461103689adf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be0ba548bbbaae0c8c9b188d58f946bdb8ef27eec1cb14c735a461103689adf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0ba548bbbaae0c8c9b188d58f946bdb8ef27eec1cb14c735a461103689adf4", kill_on_drop: false }`
[INFO] [stdout] be0ba548bbbaae0c8c9b188d58f946bdb8ef27eec1cb14c735a461103689adf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ffdfbc1a6b9dd0144374eac55b62c4b7edae22dd32566eb7037b0c6f9f2b0c45
[INFO] running `Command { std: "docker" "start" "-a" "ffdfbc1a6b9dd0144374eac55b62c4b7edae22dd32566eb7037b0c6f9f2b0c45", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]     Checking imageinfo v0.7.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "ffdfbc1a6b9dd0144374eac55b62c4b7edae22dd32566eb7037b0c6f9f2b0c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffdfbc1a6b9dd0144374eac55b62c4b7edae22dd32566eb7037b0c6f9f2b0c45", kill_on_drop: false }`
[INFO] [stdout] ffdfbc1a6b9dd0144374eac55b62c4b7edae22dd32566eb7037b0c6f9f2b0c45