[INFO] fetching crate sessions 0.1.9...
[INFO] checking sessions-0.1.9 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate sessions 0.1.9 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sessions 0.1.9 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sessions 0.1.9
[INFO] finished tweaking crates.io crate sessions 0.1.9
[INFO] tweaked toml for crates.io crate sessions 0.1.9 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sessions-redis v0.1.9
[INFO] [stderr]   Downloaded sessions-memory v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2cf83a69d481cf7689ae3adc1382a5e79e90b6a0db03fb7c4c3a6d4d4a9cbdc
[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" "a2cf83a69d481cf7689ae3adc1382a5e79e90b6a0db03fb7c4c3a6d4d4a9cbdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2cf83a69d481cf7689ae3adc1382a5e79e90b6a0db03fb7c4c3a6d4d4a9cbdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2cf83a69d481cf7689ae3adc1382a5e79e90b6a0db03fb7c4c3a6d4d4a9cbdc", kill_on_drop: false }`
[INFO] [stdout] a2cf83a69d481cf7689ae3adc1382a5e79e90b6a0db03fb7c4c3a6d4d4a9cbdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1869212b0e98c245e52f4bbdc62cc5e4972e9bbc64b5e6a68c6961d87e9fab1
[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" "c1869212b0e98c245e52f4bbdc62cc5e4972e9bbc64b5e6a68c6961d87e9fab1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling cookie v0.15.0
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking nanoid v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking sessions-core v0.1.9
[INFO] [stderr]     Checking sessions v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.60s
[INFO] running `Command { std: "docker" "inspect" "c1869212b0e98c245e52f4bbdc62cc5e4972e9bbc64b5e6a68c6961d87e9fab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1869212b0e98c245e52f4bbdc62cc5e4972e9bbc64b5e6a68c6961d87e9fab1", kill_on_drop: false }`
[INFO] [stdout] c1869212b0e98c245e52f4bbdc62cc5e4972e9bbc64b5e6a68c6961d87e9fab1