[INFO] fetching crate as_variant 1.2.0...
[INFO] checking as_variant-1.2.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate as_variant 1.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate as_variant 1.2.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate as_variant 1.2.0
[INFO] finished tweaking crates.io crate as_variant 1.2.0
[INFO] tweaked toml for crates.io crate as_variant 1.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 933f10973fd30dbcb81c4b1933be7b45c03ef41eb115f283a161ace81cac0988
[INFO] running `Command { std: "docker" "start" "-a" "933f10973fd30dbcb81c4b1933be7b45c03ef41eb115f283a161ace81cac0988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "933f10973fd30dbcb81c4b1933be7b45c03ef41eb115f283a161ace81cac0988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933f10973fd30dbcb81c4b1933be7b45c03ef41eb115f283a161ace81cac0988", kill_on_drop: false }`
[INFO] [stdout] 933f10973fd30dbcb81c4b1933be7b45c03ef41eb115f283a161ace81cac0988
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 401fa1eecd9f09c32fe27081da74d602783eb482720c05c791aedef3ab35c373
[INFO] running `Command { std: "docker" "start" "-a" "401fa1eecd9f09c32fe27081da74d602783eb482720c05c791aedef3ab35c373", kill_on_drop: false }`
[INFO] [stderr]     Checking as_variant v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "401fa1eecd9f09c32fe27081da74d602783eb482720c05c791aedef3ab35c373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401fa1eecd9f09c32fe27081da74d602783eb482720c05c791aedef3ab35c373", kill_on_drop: false }`
[INFO] [stdout] 401fa1eecd9f09c32fe27081da74d602783eb482720c05c791aedef3ab35c373
[INFO] checking as_variant-1.2.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate as_variant 1.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate as_variant 1.2.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate as_variant 1.2.0
[INFO] finished tweaking crates.io crate as_variant 1.2.0
[INFO] tweaked toml for crates.io crate as_variant 1.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fd2c51744a7768ef9a2f77268577f16127db2f6d520534b1733abaee9f21188
[INFO] running `Command { std: "docker" "start" "-a" "2fd2c51744a7768ef9a2f77268577f16127db2f6d520534b1733abaee9f21188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fd2c51744a7768ef9a2f77268577f16127db2f6d520534b1733abaee9f21188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd2c51744a7768ef9a2f77268577f16127db2f6d520534b1733abaee9f21188", kill_on_drop: false }`
[INFO] [stdout] 2fd2c51744a7768ef9a2f77268577f16127db2f6d520534b1733abaee9f21188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ff77ee21ca9f917b8ef853ec4c3f2187cc1c64ce96896115166d3bab5687f7e
[INFO] running `Command { std: "docker" "start" "-a" "2ff77ee21ca9f917b8ef853ec4c3f2187cc1c64ce96896115166d3bab5687f7e", kill_on_drop: false }`
[INFO] [stderr]     Checking as_variant v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "2ff77ee21ca9f917b8ef853ec4c3f2187cc1c64ce96896115166d3bab5687f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff77ee21ca9f917b8ef853ec4c3f2187cc1c64ce96896115166d3bab5687f7e", kill_on_drop: false }`
[INFO] [stdout] 2ff77ee21ca9f917b8ef853ec4c3f2187cc1c64ce96896115166d3bab5687f7e
