[INFO] fetching crate readings-probe 0.1.4...
[INFO] checking readings-probe-0.1.4 against master#32da2305880765a4c76180086959a2d5da131565 for pr-105102-1
[INFO] extracting crate readings-probe 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate readings-probe 0.1.4 on toolchain 32da2305880765a4c76180086959a2d5da131565
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32da2305880765a4c76180086959a2d5da131565" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate readings-probe 0.1.4
[INFO] finished tweaking crates.io crate readings-probe 0.1.4
[INFO] tweaked toml for crates.io crate readings-probe 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate readings-probe 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32da2305880765a4c76180086959a2d5da131565" "fetch" "--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 unicode-xid v0.2.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded fs_extra v1.2.0
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded jemallocator v0.3.2
[INFO] [stderr]   Downloaded jemalloc-sys v0.3.2
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded libc v0.2.108
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+32da2305880765a4c76180086959a2d5da131565" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1756a29509c7924145bfea5d6d5243061e8fba1c91601998b8b985b13efc7ea
[INFO] running `Command { std: "docker" "start" "-a" "b1756a29509c7924145bfea5d6d5243061e8fba1c91601998b8b985b13efc7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1756a29509c7924145bfea5d6d5243061e8fba1c91601998b8b985b13efc7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1756a29509c7924145bfea5d6d5243061e8fba1c91601998b8b985b13efc7ea", kill_on_drop: false }`
[INFO] [stdout] b1756a29509c7924145bfea5d6d5243061e8fba1c91601998b8b985b13efc7ea
[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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+32da2305880765a4c76180086959a2d5da131565" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33838e3e4a8840606150fa48645124eefd962980da22cb11c71ab56afb0d4c53
[INFO] running `Command { std: "docker" "start" "-a" "33838e3e4a8840606150fa48645124eefd962980da22cb11c71ab56afb0d4c53", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking readings-probe v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "33838e3e4a8840606150fa48645124eefd962980da22cb11c71ab56afb0d4c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33838e3e4a8840606150fa48645124eefd962980da22cb11c71ab56afb0d4c53", kill_on_drop: false }`
[INFO] [stdout] 33838e3e4a8840606150fa48645124eefd962980da22cb11c71ab56afb0d4c53