[INFO] cloning repository https://github.com/dtolnay/cargo-expand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dtolnay/cargo-expand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtolnay%2Fcargo-expand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtolnay%2Fcargo-expand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 925bc50dfdf701af863071a46c4b437dd8955d4c
[INFO] checking dtolnay/cargo-expand against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtolnay%2Fcargo-expand" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dtolnay/cargo-expand on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dtolnay/cargo-expand
[INFO] finished tweaking git repo https://github.com/dtolnay/cargo-expand
[INFO] tweaked toml for git repo https://github.com/dtolnay/cargo-expand written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dtolnay/cargo-expand already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed5ad808af60bc2e9ace606a058b4d3da55586ad47a24fd7c297802d678fa9bf
[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" "ed5ad808af60bc2e9ace606a058b4d3da55586ad47a24fd7c297802d678fa9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed5ad808af60bc2e9ace606a058b4d3da55586ad47a24fd7c297802d678fa9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5ad808af60bc2e9ace606a058b4d3da55586ad47a24fd7c297802d678fa9bf", kill_on_drop: false }`
[INFO] [stdout] ed5ad808af60bc2e9ace606a058b4d3da55586ad47a24fd7c297802d678fa9bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] ec9c4ddc360ce0ba932ecaaeeebb27f0f5d1330285c35cfcb9aa3cba5f3a26d2
[INFO] running `Command { std: "docker" "start" "-a" "ec9c4ddc360ce0ba932ecaaeeebb27f0f5d1330285c35cfcb9aa3cba5f3a26d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]    Compiling bat v0.17.0
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling ansi_colours v1.0.1
[INFO] [stderr]     Checking path_abs v0.5.0
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking semver-parser v0.10.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking fancy-regex v0.3.5
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking nix v0.19.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking toolchain_find v0.1.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking syn-select v0.2.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking clircle v0.1.3
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking syntect v4.4.0
[INFO] [stderr]     Checking cargo-expand v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "ec9c4ddc360ce0ba932ecaaeeebb27f0f5d1330285c35cfcb9aa3cba5f3a26d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9c4ddc360ce0ba932ecaaeeebb27f0f5d1330285c35cfcb9aa3cba5f3a26d2", kill_on_drop: false }`
[INFO] [stdout] ec9c4ddc360ce0ba932ecaaeeebb27f0f5d1330285c35cfcb9aa3cba5f3a26d2