[INFO] fetching crate cross 0.2.1...
[INFO] checking cross-0.2.1 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate cross 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cross 0.2.1 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cross 0.2.1
[INFO] finished tweaking crates.io crate cross 0.2.1
[INFO] tweaked toml for crates.io crate cross 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate cross 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b77b554c02707fa513df41e870d40528b5e463078464055bdc12e2e0873d1861
[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" "b77b554c02707fa513df41e870d40528b5e463078464055bdc12e2e0873d1861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b77b554c02707fa513df41e870d40528b5e463078464055bdc12e2e0873d1861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77b554c02707fa513df41e870d40528b5e463078464055bdc12e2e0873d1861", kill_on_drop: false }`
[INFO] [stdout] b77b554c02707fa513df41e870d40528b5e463078464055bdc12e2e0873d1861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f246681f032c0aeb11ed4f786d0340facd1ff45cee2ce1d226c26be493ecb2bd
[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" "f246681f032c0aeb11ed4f786d0340facd1ff45cee2ce1d226c26be493ecb2bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling cross v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.19s
[INFO] running `Command { std: "docker" "inspect" "f246681f032c0aeb11ed4f786d0340facd1ff45cee2ce1d226c26be493ecb2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f246681f032c0aeb11ed4f786d0340facd1ff45cee2ce1d226c26be493ecb2bd", kill_on_drop: false }`
[INFO] [stdout] f246681f032c0aeb11ed4f786d0340facd1ff45cee2ce1d226c26be493ecb2bd