[INFO] fetching crate ifinfo 0.1.0...
[INFO] testing ifinfo-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ifinfo 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ifinfo 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ifinfo 0.1.0
[INFO] finished tweaking crates.io crate ifinfo 0.1.0
[INFO] tweaked toml for crates.io crate ifinfo 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ifinfo 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 bitflags v1.1.0
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded iovec v0.1.2
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded serde_json v1.0.39
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded serde v1.0.92
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] [stderr]   Downloaded syn v0.15.36
[INFO] [stderr]   Downloaded serde_derive v1.0.92
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded interfaces2 v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] d4ec77810815d60d42d912d26685c63d3a3c9e0369032cdb2aff9f24d7b8f0cd
[INFO] running `Command { std: "docker" "start" "-a" "d4ec77810815d60d42d912d26685c63d3a3c9e0369032cdb2aff9f24d7b8f0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4ec77810815d60d42d912d26685c63d3a3c9e0369032cdb2aff9f24d7b8f0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ec77810815d60d42d912d26685c63d3a3c9e0369032cdb2aff9f24d7b8f0cd", kill_on_drop: false }`
[INFO] [stdout] d4ec77810815d60d42d912d26685c63d3a3c9e0369032cdb2aff9f24d7b8f0cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 1c8f0ce1ffdd5a2952d48e9dab2f46a64bbdc7cb52416615c456efba59cf91c0
[INFO] running `Command { std: "docker" "start" "-a" "1c8f0ce1ffdd5a2952d48e9dab2f46a64bbdc7cb52416615c456efba59cf91c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling handlebars v0.29.1
[INFO] [stderr]    Compiling interfaces2 v0.0.5
[INFO] [stderr]    Compiling ifinfo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.52s
[INFO] running `Command { std: "docker" "inspect" "1c8f0ce1ffdd5a2952d48e9dab2f46a64bbdc7cb52416615c456efba59cf91c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8f0ce1ffdd5a2952d48e9dab2f46a64bbdc7cb52416615c456efba59cf91c0", kill_on_drop: false }`
[INFO] [stdout] 1c8f0ce1ffdd5a2952d48e9dab2f46a64bbdc7cb52416615c456efba59cf91c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] 59e6d79723786bd280077f4143527bd856c3b5f79792fe8e6647de0cd6f7829e
[INFO] running `Command { std: "docker" "start" "-a" "59e6d79723786bd280077f4143527bd856c3b5f79792fe8e6647de0cd6f7829e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ifinfo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "59e6d79723786bd280077f4143527bd856c3b5f79792fe8e6647de0cd6f7829e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e6d79723786bd280077f4143527bd856c3b5f79792fe8e6647de0cd6f7829e", kill_on_drop: false }`
[INFO] [stdout] 59e6d79723786bd280077f4143527bd856c3b5f79792fe8e6647de0cd6f7829e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 8ec2254cfee51a02721ad6e8befdffde98cb138b685cddafa728f16d5fe0533f
[INFO] running `Command { std: "docker" "start" "-a" "8ec2254cfee51a02721ad6e8befdffde98cb138b685cddafa728f16d5fe0533f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ifinfo-cbf60d3a11c8bae6)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ec2254cfee51a02721ad6e8befdffde98cb138b685cddafa728f16d5fe0533f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec2254cfee51a02721ad6e8befdffde98cb138b685cddafa728f16d5fe0533f", kill_on_drop: false }`
[INFO] [stdout] 8ec2254cfee51a02721ad6e8befdffde98cb138b685cddafa728f16d5fe0533f