[INFO] fetching crate credent_fs 0.1.0...
[INFO] checking credent_fs-0.1.0 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate credent_fs 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate credent_fs 0.1.0 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate credent_fs 0.1.0
[INFO] finished tweaking crates.io crate credent_fs 0.1.0
[INFO] tweaked toml for crates.io crate credent_fs 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae10f9dfcac66b390383372bb003b79773d6787357264bd1d7511777d22bca0e
[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" "ae10f9dfcac66b390383372bb003b79773d6787357264bd1d7511777d22bca0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae10f9dfcac66b390383372bb003b79773d6787357264bd1d7511777d22bca0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae10f9dfcac66b390383372bb003b79773d6787357264bd1d7511777d22bca0e", kill_on_drop: false }`
[INFO] [stdout] ae10f9dfcac66b390383372bb003b79773d6787357264bd1d7511777d22bca0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] b913d34ccc572d72f22ae2a092fd41557c4f0ca5ab9878fb7babbc83874727d9
[INFO] running `Command { std: "docker" "start" "-a" "b913d34ccc572d72f22ae2a092fd41557c4f0ca5ab9878fb7babbc83874727d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking credent_model v0.1.0
[INFO] [stderr]     Checking credent_fs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.28s
[INFO] running `Command { std: "docker" "inspect" "b913d34ccc572d72f22ae2a092fd41557c4f0ca5ab9878fb7babbc83874727d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b913d34ccc572d72f22ae2a092fd41557c4f0ca5ab9878fb7babbc83874727d9", kill_on_drop: false }`
[INFO] [stdout] b913d34ccc572d72f22ae2a092fd41557c4f0ca5ab9878fb7babbc83874727d9