[INFO] fetching crate wizdraw 1.2.1...
[INFO] checking wizdraw-1.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate wizdraw 1.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate wizdraw 1.2.1 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 wizdraw 1.2.1
[INFO] finished tweaking crates.io crate wizdraw 1.2.1
[INFO] tweaked toml for crates.io crate wizdraw 1.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate wizdraw 1.2.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.17.7
[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] 232037e5f09893816d5cbcaa07592359c73d0f21435efb466a0f1404117b26dd
[INFO] running `Command { std: "docker" "start" "-a" "232037e5f09893816d5cbcaa07592359c73d0f21435efb466a0f1404117b26dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "232037e5f09893816d5cbcaa07592359c73d0f21435efb466a0f1404117b26dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232037e5f09893816d5cbcaa07592359c73d0f21435efb466a0f1404117b26dd", kill_on_drop: false }`
[INFO] [stdout] 232037e5f09893816d5cbcaa07592359c73d0f21435efb466a0f1404117b26dd
[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] 90cb967cb989726b1f9f9de0d0ac2af590e20cee0b1cee2152f107b675de1286
[INFO] running `Command { std: "docker" "start" "-a" "90cb967cb989726b1f9f9de0d0ac2af590e20cee0b1cee2152f107b675de1286", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]    Compiling vek v0.15.10
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking wizdraw v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "90cb967cb989726b1f9f9de0d0ac2af590e20cee0b1cee2152f107b675de1286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90cb967cb989726b1f9f9de0d0ac2af590e20cee0b1cee2152f107b675de1286", kill_on_drop: false }`
[INFO] [stdout] 90cb967cb989726b1f9f9de0d0ac2af590e20cee0b1cee2152f107b675de1286
[INFO] checking wizdraw-1.2.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate wizdraw 1.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate wizdraw 1.2.1 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 wizdraw 1.2.1
[INFO] finished tweaking crates.io crate wizdraw 1.2.1
[INFO] tweaked toml for crates.io crate wizdraw 1.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate wizdraw 1.2.1 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] 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] f365ca3f1313422a8407855df5135a83ce8bb520ea7e4577b3ef813dedc0a6a6
[INFO] running `Command { std: "docker" "start" "-a" "f365ca3f1313422a8407855df5135a83ce8bb520ea7e4577b3ef813dedc0a6a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f365ca3f1313422a8407855df5135a83ce8bb520ea7e4577b3ef813dedc0a6a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f365ca3f1313422a8407855df5135a83ce8bb520ea7e4577b3ef813dedc0a6a6", kill_on_drop: false }`
[INFO] [stdout] f365ca3f1313422a8407855df5135a83ce8bb520ea7e4577b3ef813dedc0a6a6
[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] d37cbf18a8533ca77068cfecab7caf0b11c9700c030b3e62d1423dbaf0e91b28
[INFO] running `Command { std: "docker" "start" "-a" "d37cbf18a8533ca77068cfecab7caf0b11c9700c030b3e62d1423dbaf0e91b28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]    Compiling vek v0.15.10
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking wizdraw v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "d37cbf18a8533ca77068cfecab7caf0b11c9700c030b3e62d1423dbaf0e91b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37cbf18a8533ca77068cfecab7caf0b11c9700c030b3e62d1423dbaf0e91b28", kill_on_drop: false }`
[INFO] [stdout] d37cbf18a8533ca77068cfecab7caf0b11c9700c030b3e62d1423dbaf0e91b28