[INFO] fetching crate opentelemetry 0.12.0...
[INFO] checking opentelemetry-0.12.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate opentelemetry 0.12.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate opentelemetry 0.12.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opentelemetry 0.12.0
[INFO] finished tweaking crates.io crate opentelemetry 0.12.0
[INFO] tweaked toml for crates.io crate opentelemetry 0.12.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19222fb6d8a04d037252a20fe158d9a6a71b2433f2c68f284aad9b8ac06240b3
[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" "19222fb6d8a04d037252a20fe158d9a6a71b2433f2c68f284aad9b8ac06240b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19222fb6d8a04d037252a20fe158d9a6a71b2433f2c68f284aad9b8ac06240b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19222fb6d8a04d037252a20fe158d9a6a71b2433f2c68f284aad9b8ac06240b3", kill_on_drop: false }`
[INFO] [stdout] 19222fb6d8a04d037252a20fe158d9a6a71b2433f2c68f284aad9b8ac06240b3
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a42fcf8773142c2d0ca86d2bbd4163fc709ffbb2653f012f8a2472b61a252135
[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" "a42fcf8773142c2d0ca86d2bbd4163fc709ffbb2653f012f8a2472b61a252135", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_json v1.0.62
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking tokio v1.2.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking opentelemetry v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "a42fcf8773142c2d0ca86d2bbd4163fc709ffbb2653f012f8a2472b61a252135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a42fcf8773142c2d0ca86d2bbd4163fc709ffbb2653f012f8a2472b61a252135", kill_on_drop: false }`
[INFO] [stdout] a42fcf8773142c2d0ca86d2bbd4163fc709ffbb2653f012f8a2472b61a252135