[INFO] fetching crate caso 0.2.2...
[INFO] checking caso-0.2.2 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate caso 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate caso 0.2.2 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caso 0.2.2
[INFO] finished tweaking crates.io crate caso 0.2.2
[INFO] tweaked toml for crates.io crate caso 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate caso 0.2.2 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded read_token v1.0.0
[INFO] [stderr]   Downloaded range v1.0.0
[INFO] [stderr]   Downloaded monotonic_solver v0.5.0
[INFO] [stderr]   Downloaded piston_meta v2.0.1
[INFO] [stderr]   Downloaded avalog v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ad2c69c580a0a85cea6315b9a3ca6fabe26311df60b705f4f8114d4628e8af2
[INFO] running `Command { std: "docker" "start" "-a" "5ad2c69c580a0a85cea6315b9a3ca6fabe26311df60b705f4f8114d4628e8af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ad2c69c580a0a85cea6315b9a3ca6fabe26311df60b705f4f8114d4628e8af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad2c69c580a0a85cea6315b9a3ca6fabe26311df60b705f4f8114d4628e8af2", kill_on_drop: false }`
[INFO] [stdout] 5ad2c69c580a0a85cea6315b9a3ca6fabe26311df60b705f4f8114d4628e8af2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a830b3956b73581422205d7661ce5166c804e4397e85bc074fd9323d99bc7549
[INFO] running `Command { std: "docker" "start" "-a" "a830b3956b73581422205d7661ce5166c804e4397e85bc074fd9323d99bc7549", kill_on_drop: false }`
[INFO] [stderr]     Checking range v1.0.0
[INFO] [stderr]     Checking monotonic_solver v0.5.0
[INFO] [stderr]     Checking read_token v1.0.0
[INFO] [stderr]     Checking piston_meta v2.0.1
[INFO] [stderr]     Checking avalog v0.7.0
[INFO] [stderr]     Checking caso v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "a830b3956b73581422205d7661ce5166c804e4397e85bc074fd9323d99bc7549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a830b3956b73581422205d7661ce5166c804e4397e85bc074fd9323d99bc7549", kill_on_drop: false }`
[INFO] [stdout] a830b3956b73581422205d7661ce5166c804e4397e85bc074fd9323d99bc7549