[INFO] fetching crate oracle 0.3.3...
[INFO] checking oracle-0.3.3 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate oracle 0.3.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate oracle 0.3.3 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oracle 0.3.3
[INFO] finished tweaking crates.io crate oracle 0.3.3
[INFO] tweaked toml for crates.io crate oracle 0.3.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate oracle 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.9
[INFO] [stderr]   Downloaded paste-impl v0.1.6
[INFO] [stderr]   Downloaded paste v0.1.6
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded cc v1.0.35
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded syn v1.0.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.4
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded try_from v0.2.2
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef7e8f6b96503c5b449da8a0460072342fb73b5fd805ea5895b14c10f48cdcfc
[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" "ef7e8f6b96503c5b449da8a0460072342fb73b5fd805ea5895b14c10f48cdcfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef7e8f6b96503c5b449da8a0460072342fb73b5fd805ea5895b14c10f48cdcfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef7e8f6b96503c5b449da8a0460072342fb73b5fd805ea5895b14c10f48cdcfc", kill_on_drop: false }`
[INFO] [stdout] ef7e8f6b96503c5b449da8a0460072342fb73b5fd805ea5895b14c10f48cdcfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebf53772156f19ec4bd18f33eb2c9ea9bc304c1dd94b4cb2771dceaa4a415417
[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" "ebf53772156f19ec4bd18f33eb2c9ea9bc304c1dd94b4cb2771dceaa4a415417", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling oracle v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.18s
[INFO] running `Command { std: "docker" "inspect" "ebf53772156f19ec4bd18f33eb2c9ea9bc304c1dd94b4cb2771dceaa4a415417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf53772156f19ec4bd18f33eb2c9ea9bc304c1dd94b4cb2771dceaa4a415417", kill_on_drop: false }`
[INFO] [stdout] ebf53772156f19ec4bd18f33eb2c9ea9bc304c1dd94b4cb2771dceaa4a415417