[INFO] fetching crate preexplorer 0.3.3...
[INFO] checking preexplorer-0.3.3 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate preexplorer 0.3.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate preexplorer 0.3.3 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate preexplorer 0.3.3
[INFO] finished tweaking crates.io crate preexplorer 0.3.3
[INFO] tweaked toml for crates.io crate preexplorer 0.3.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate preexplorer 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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 average v0.10.5
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cfa1e6cacdbfa460dede7644e81b6b5210217dba78b5790999465c34762aec3
[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" "3cfa1e6cacdbfa460dede7644e81b6b5210217dba78b5790999465c34762aec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cfa1e6cacdbfa460dede7644e81b6b5210217dba78b5790999465c34762aec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cfa1e6cacdbfa460dede7644e81b6b5210217dba78b5790999465c34762aec3", kill_on_drop: false }`
[INFO] [stdout] 3cfa1e6cacdbfa460dede7644e81b6b5210217dba78b5790999465c34762aec3
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b681e70bcbcf3669bb355e20d7ff7df570d1f7ea4ca394a9c0f04b01ecc3a0fa
[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" "b681e70bcbcf3669bb355e20d7ff7df570d1f7ea4ca394a9c0f04b01ecc3a0fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.22
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking average v0.10.5
[INFO] [stderr]     Checking chrono v0.4.17
[INFO] [stderr]     Checking ndarray v0.13.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking preexplorer v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.59s
[INFO] running `Command { std: "docker" "inspect" "b681e70bcbcf3669bb355e20d7ff7df570d1f7ea4ca394a9c0f04b01ecc3a0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b681e70bcbcf3669bb355e20d7ff7df570d1f7ea4ca394a9c0f04b01ecc3a0fa", kill_on_drop: false }`
[INFO] [stdout] b681e70bcbcf3669bb355e20d7ff7df570d1f7ea4ca394a9c0f04b01ecc3a0fa