[INFO] fetching crate tune 0.24.0...
[INFO] checking tune-0.24.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate tune 0.24.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate tune 0.24.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tune 0.24.0
[INFO] finished tweaking crates.io crate tune 0.24.0
[INFO] tweaked toml for crates.io crate tune 0.24.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate tune 0.24.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 652cd2c952e140c881b8e36252eeea163ff2178a1f4863bf87e6577d708cb2f4
[INFO] running `Command { std: "docker" "start" "-a" "652cd2c952e140c881b8e36252eeea163ff2178a1f4863bf87e6577d708cb2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "652cd2c952e140c881b8e36252eeea163ff2178a1f4863bf87e6577d708cb2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652cd2c952e140c881b8e36252eeea163ff2178a1f4863bf87e6577d708cb2f4", kill_on_drop: false }`
[INFO] [stdout] 652cd2c952e140c881b8e36252eeea163ff2178a1f4863bf87e6577d708cb2f4
[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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1d93987c249058f7bb1edec29c5a8930aa7bc897b24bc2164aa5b462d7a10e3
[INFO] running `Command { std: "docker" "start" "-a" "a1d93987c249058f7bb1edec29c5a8930aa7bc897b24bc2164aa5b462d7a10e3", kill_on_drop: false }`
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking tune v0.24.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "a1d93987c249058f7bb1edec29c5a8930aa7bc897b24bc2164aa5b462d7a10e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d93987c249058f7bb1edec29c5a8930aa7bc897b24bc2164aa5b462d7a10e3", kill_on_drop: false }`
[INFO] [stdout] a1d93987c249058f7bb1edec29c5a8930aa7bc897b24bc2164aa5b462d7a10e3