[INFO] fetching crate exact-conv 0.2.1...
[INFO] checking exact-conv-0.2.1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate exact-conv 0.2.1 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate exact-conv 0.2.1 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exact-conv 0.2.1
[INFO] finished tweaking crates.io crate exact-conv 0.2.1
[INFO] tweaked toml for crates.io crate exact-conv 0.2.1 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate crates.io crate exact-conv 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a32597da6d10ed293ad3f34c21c99b56cafb834e8d76947f67676ebd433a9b8
[INFO] running `Command { std: "docker" "start" "-a" "3a32597da6d10ed293ad3f34c21c99b56cafb834e8d76947f67676ebd433a9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a32597da6d10ed293ad3f34c21c99b56cafb834e8d76947f67676ebd433a9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a32597da6d10ed293ad3f34c21c99b56cafb834e8d76947f67676ebd433a9b8", kill_on_drop: false }`
[INFO] [stdout] 3a32597da6d10ed293ad3f34c21c99b56cafb834e8d76947f67676ebd433a9b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf5ddc428a4eb02dd3dd270112b8101428eba6c6e4f29a011ea61da67852f9a1
[INFO] running `Command { std: "docker" "start" "-a" "bf5ddc428a4eb02dd3dd270112b8101428eba6c6e4f29a011ea61da67852f9a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking exact-conv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `int_bits_const` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/ieee754.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_bits_const)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "bf5ddc428a4eb02dd3dd270112b8101428eba6c6e4f29a011ea61da67852f9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5ddc428a4eb02dd3dd270112b8101428eba6c6e4f29a011ea61da67852f9a1", kill_on_drop: false }`
[INFO] [stdout] bf5ddc428a4eb02dd3dd270112b8101428eba6c6e4f29a011ea61da67852f9a1