[INFO] fetching crate bender 0.20.0...
[INFO] checking bender-0.20.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate bender 0.20.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bender 0.20.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bender 0.20.0
[INFO] finished tweaking crates.io crate bender 0.20.0
[INFO] tweaked toml for crates.io crate bender 0.20.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate bender 0.20.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pathdiff v0.1.0
[INFO] [stderr]   Downloaded blake2 v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 7b7038d31f9187107ba7e2f667cede6025796b437c7c582cd9bbe6414cef5081
[INFO] running `Command { std: "docker" "start" "-a" "7b7038d31f9187107ba7e2f667cede6025796b437c7c582cd9bbe6414cef5081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b7038d31f9187107ba7e2f667cede6025796b437c7c582cd9bbe6414cef5081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b7038d31f9187107ba7e2f667cede6025796b437c7c582cd9bbe6414cef5081", kill_on_drop: false }`
[INFO] [stdout] 7b7038d31f9187107ba7e2f667cede6025796b437c7c582cd9bbe6414cef5081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a6acba633cb6794be140f19bca082a6aae99f07bc205940c53985b50dd8a0e69
[INFO] running `Command { std: "docker" "start" "-a" "a6acba633cb6794be140f19bca082a6aae99f07bc205940c53985b50dd8a0e69", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking linked-hash-map v0.5.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking typed-arena v1.3.0
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking blake2 v0.7.0
[INFO] [stderr]     Checking mio-uds v0.6.4
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking tokio-signal v0.1.3
[INFO] [stderr]     Checking tokio-process v0.1.5
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking bender v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.13s
[INFO] running `Command { std: "docker" "inspect" "a6acba633cb6794be140f19bca082a6aae99f07bc205940c53985b50dd8a0e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6acba633cb6794be140f19bca082a6aae99f07bc205940c53985b50dd8a0e69", kill_on_drop: false }`
[INFO] [stdout] a6acba633cb6794be140f19bca082a6aae99f07bc205940c53985b50dd8a0e69