[INFO] cloning repository https://github.com/jjpe/zippy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjpe/zippy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjpe%2Fzippy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjpe%2Fzippy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad75e27d8a219adddfd009177ea63688f84792fa
[INFO] checking jjpe/zippy against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjpe%2Fzippy" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jjpe/zippy on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jjpe/zippy
[INFO] finished tweaking git repo https://github.com/jjpe/zippy
[INFO] tweaked toml for git repo https://github.com/jjpe/zippy written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jjpe/zippy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.4.2
[INFO] [stderr]   Downloaded ioe v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b4b914a295a6b0aedbc33261a923671f1bd905c39b4dffaa162fae734fcea6c
[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" "6b4b914a295a6b0aedbc33261a923671f1bd905c39b4dffaa162fae734fcea6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b4b914a295a6b0aedbc33261a923671f1bd905c39b4dffaa162fae734fcea6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4b914a295a6b0aedbc33261a923671f1bd905c39b4dffaa162fae734fcea6c", kill_on_drop: false }`
[INFO] [stdout] 6b4b914a295a6b0aedbc33261a923671f1bd905c39b4dffaa162fae734fcea6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 6b45ad302dc4995bf16b64e743d962208237dc1d2557a0132b3e81a28b899ee5
[INFO] running `Command { std: "docker" "start" "-a" "6b45ad302dc4995bf16b64e743d962208237dc1d2557a0132b3e81a28b899ee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking miniz_oxide v0.2.0
[INFO] [stderr]     Checking walkdir v2.2.6
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.0
[INFO] [stderr]    Compiling syn v0.15.19
[INFO] [stderr]     Checking flate2 v1.0.4
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking ioe v0.3.0
[INFO] [stderr]     Checking zippy v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.04s
[INFO] running `Command { std: "docker" "inspect" "6b45ad302dc4995bf16b64e743d962208237dc1d2557a0132b3e81a28b899ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b45ad302dc4995bf16b64e743d962208237dc1d2557a0132b3e81a28b899ee5", kill_on_drop: false }`
[INFO] [stdout] 6b45ad302dc4995bf16b64e743d962208237dc1d2557a0132b3e81a28b899ee5