[INFO] fetching crate candidate-selection 0.0.0...
[INFO] checking candidate-selection-0.0.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate candidate-selection 0.0.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate candidate-selection 0.0.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate candidate-selection 0.0.0
[INFO] finished tweaking crates.io crate candidate-selection 0.0.0
[INFO] tweaked toml for crates.io crate candidate-selection 0.0.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37f7aa6e68530c7868227b785636fa3dba8c6dc432fc553c326fe3137286ab70
[INFO] running `Command { std: "docker" "start" "-a" "37f7aa6e68530c7868227b785636fa3dba8c6dc432fc553c326fe3137286ab70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37f7aa6e68530c7868227b785636fa3dba8c6dc432fc553c326fe3137286ab70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f7aa6e68530c7868227b785636fa3dba8c6dc432fc553c326fe3137286ab70", kill_on_drop: false }`
[INFO] [stdout] 37f7aa6e68530c7868227b785636fa3dba8c6dc432fc553c326fe3137286ab70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6494fe2443d1df211556e4fbb4e5ab74c9b808fcccfa6e7b4292ed37fc98425
[INFO] running `Command { std: "docker" "start" "-a" "d6494fe2443d1df211556e4fbb4e5ab74c9b808fcccfa6e7b4292ed37fc98425", kill_on_drop: false }`
[INFO] [stderr]     Checking candidate-selection v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "d6494fe2443d1df211556e4fbb4e5ab74c9b808fcccfa6e7b4292ed37fc98425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6494fe2443d1df211556e4fbb4e5ab74c9b808fcccfa6e7b4292ed37fc98425", kill_on_drop: false }`
[INFO] [stdout] d6494fe2443d1df211556e4fbb4e5ab74c9b808fcccfa6e7b4292ed37fc98425