[INFO] fetching crate oss 0.3.0...
[INFO] checking oss-0.3.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate oss 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate oss 0.3.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oss 0.3.0
[INFO] finished tweaking crates.io crate oss 0.3.0
[INFO] tweaked toml for crates.io crate oss 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f04007c9dd05eb10a7c9b620dd004d4168e88df97498889b0a8faf52f847db75
[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" "f04007c9dd05eb10a7c9b620dd004d4168e88df97498889b0a8faf52f847db75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04007c9dd05eb10a7c9b620dd004d4168e88df97498889b0a8faf52f847db75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04007c9dd05eb10a7c9b620dd004d4168e88df97498889b0a8faf52f847db75", kill_on_drop: false }`
[INFO] [stdout] f04007c9dd05eb10a7c9b620dd004d4168e88df97498889b0a8faf52f847db75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] deab2494e9d9f3d456c1b6e9cf6921aad217fd5c9dd2164b45b5f1d9c74c4bb2
[INFO] running `Command { std: "docker" "start" "-a" "deab2494e9d9f3d456c1b6e9cf6921aad217fd5c9dd2164b45b5f1d9c74c4bb2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking openssl-sys v0.9.65
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking rust_util v0.2.6
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking oss v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.34s
[INFO] running `Command { std: "docker" "inspect" "deab2494e9d9f3d456c1b6e9cf6921aad217fd5c9dd2164b45b5f1d9c74c4bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deab2494e9d9f3d456c1b6e9cf6921aad217fd5c9dd2164b45b5f1d9c74c4bb2", kill_on_drop: false }`
[INFO] [stdout] deab2494e9d9f3d456c1b6e9cf6921aad217fd5c9dd2164b45b5f1d9c74c4bb2