[INFO] cloning repository https://github.com/rust-embedded/cross
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-embedded/cross" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-embedded%2Fcross", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-embedded%2Fcross'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f213ba07b214d36225be63e5b72a6346937a699
[INFO] checking rust-embedded/cross against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-embedded%2Fcross" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-embedded/cross on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-embedded/cross
[INFO] finished tweaking git repo https://github.com/rust-embedded/cross
[INFO] tweaked toml for git repo https://github.com/rust-embedded/cross written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-embedded/cross 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] 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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c99d6bdc2ca7e2ac28c3885988b62cfdd158a7673888f9e9b0f5602083b036f
[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" "2c99d6bdc2ca7e2ac28c3885988b62cfdd158a7673888f9e9b0f5602083b036f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c99d6bdc2ca7e2ac28c3885988b62cfdd158a7673888f9e9b0f5602083b036f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c99d6bdc2ca7e2ac28c3885988b62cfdd158a7673888f9e9b0f5602083b036f", kill_on_drop: false }`
[INFO] [stdout] 2c99d6bdc2ca7e2ac28c3885988b62cfdd158a7673888f9e9b0f5602083b036f
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca67d8beccca4fe9fc56b5dc76a79564b98e2c3a2f403804bebb80697f69bb60
[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" "ca67d8beccca4fe9fc56b5dc76a79564b98e2c3a2f403804bebb80697f69bb60", kill_on_drop: false }`
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling cross v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.24s
[INFO] running `Command { std: "docker" "inspect" "ca67d8beccca4fe9fc56b5dc76a79564b98e2c3a2f403804bebb80697f69bb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca67d8beccca4fe9fc56b5dc76a79564b98e2c3a2f403804bebb80697f69bb60", kill_on_drop: false }`
[INFO] [stdout] ca67d8beccca4fe9fc56b5dc76a79564b98e2c3a2f403804bebb80697f69bb60