[INFO] fetching crate opentelemetry-contrib 0.4.0...
[INFO] checking opentelemetry-contrib-0.4.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate opentelemetry-contrib 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate opentelemetry-contrib 0.4.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opentelemetry-contrib 0.4.0
[INFO] finished tweaking crates.io crate opentelemetry-contrib 0.4.0
[INFO] tweaked toml for crates.io crate opentelemetry-contrib 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", 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] 235b50886bb8017e0db5e038db70512026135a30b77a356e1ab476a38ef5b389
[INFO] running `Command { std: "docker" "start" "-a" "235b50886bb8017e0db5e038db70512026135a30b77a356e1ab476a38ef5b389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "235b50886bb8017e0db5e038db70512026135a30b77a356e1ab476a38ef5b389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235b50886bb8017e0db5e038db70512026135a30b77a356e1ab476a38ef5b389", kill_on_drop: false }`
[INFO] [stdout] 235b50886bb8017e0db5e038db70512026135a30b77a356e1ab476a38ef5b389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 584dda94d4fe4fa760251d2751a4ada83e4d7394ce23a1b77736448054601515
[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" "584dda94d4fe4fa760251d2751a4ada83e4d7394ce23a1b77736448054601515", kill_on_drop: false }`
[INFO] [stderr]    Compiling isahc v0.9.14
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking flume v0.9.2
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking sluice v0.5.4
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking opentelemetry v0.12.0
[INFO] [stderr]     Checking opentelemetry-contrib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.75s
[INFO] running `Command { std: "docker" "inspect" "584dda94d4fe4fa760251d2751a4ada83e4d7394ce23a1b77736448054601515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584dda94d4fe4fa760251d2751a4ada83e4d7394ce23a1b77736448054601515", kill_on_drop: false }`
[INFO] [stdout] 584dda94d4fe4fa760251d2751a4ada83e4d7394ce23a1b77736448054601515