[INFO] fetching crate dupdup 0.2.3...
[INFO] checking dupdup-0.2.3 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate dupdup 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dupdup 0.2.3 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dupdup 0.2.3
[INFO] finished tweaking crates.io crate dupdup 0.2.3
[INFO] tweaked toml for crates.io crate dupdup 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate dupdup 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytesize v1.0.0
[INFO] [stderr]   Downloaded md5 v0.3.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.17
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded serde_json v1.0.2
[INFO] [stderr]   Downloaded itoa v0.3.1
[INFO] [stderr]   Downloaded num-traits v0.1.37
[INFO] [stderr]   Downloaded clap v2.24.2
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded term_size v0.3.0
[INFO] [stderr]   Downloaded serde v1.0.5
[INFO] [stderr]   Downloaded libc v0.2.22
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.0
[INFO] [stderr]   Downloaded dtoa v0.4.1
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43a7f778d85e06f5b303d77926ded925ecb68e698a3be9e3353684f12c453c73
[INFO] running `Command { std: "docker" "start" "-a" "43a7f778d85e06f5b303d77926ded925ecb68e698a3be9e3353684f12c453c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43a7f778d85e06f5b303d77926ded925ecb68e698a3be9e3353684f12c453c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a7f778d85e06f5b303d77926ded925ecb68e698a3be9e3353684f12c453c73", kill_on_drop: false }`
[INFO] [stdout] 43a7f778d85e06f5b303d77926ded925ecb68e698a3be9e3353684f12c453c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a0e92511ef215cf114b3ed5b9b44b678deb4bb0d3053836b93e195a7c12ca25
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a0e92511ef215cf114b3ed5b9b44b678deb4bb0d3053836b93e195a7c12ca25", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking serde v1.0.5
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking md5 v0.3.4
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking dupdup v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.93s
[INFO] running `Command { std: "docker" "inspect" "3a0e92511ef215cf114b3ed5b9b44b678deb4bb0d3053836b93e195a7c12ca25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0e92511ef215cf114b3ed5b9b44b678deb4bb0d3053836b93e195a7c12ca25", kill_on_drop: false }`
[INFO] [stdout] 3a0e92511ef215cf114b3ed5b9b44b678deb4bb0d3053836b93e195a7c12ca25