[INFO] fetching crate crate2nix 0.9.0-alpha.1...
[INFO] checking crate2nix-0.9.0-alpha.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate crate2nix 0.9.0-alpha.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate crate2nix 0.9.0-alpha.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crate2nix 0.9.0-alpha.1
[INFO] finished tweaking crates.io crate crate2nix 0.9.0-alpha.1
[INFO] tweaked toml for crates.io crate crate2nix 0.9.0-alpha.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate crate2nix 0.9.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quicli v0.4.0
[INFO] [stderr]   Downloaded backtrace v0.3.46
[INFO] [stderr]   Downloaded pathdiff v0.1.0
[INFO] [stderr]   Downloaded cargo_metadata v0.9.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.5
[INFO] [stderr]   Downloaded backtrace-sys v0.1.35
[INFO] [stderr]   Downloaded structopt v0.3.12
[INFO] [stderr]   Downloaded nix-base32 v0.1.1
[INFO] [stderr]   Downloaded ignore v0.4.13
[INFO] [stderr]   Downloaded globwalk v0.7.3
[INFO] [stderr]   Downloaded tera v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f82c8115c5dcd3ebc32286fa5e4d1e44978b535e84e1c1cb7984ab1da99985b4
[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" "f82c8115c5dcd3ebc32286fa5e4d1e44978b535e84e1c1cb7984ab1da99985b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f82c8115c5dcd3ebc32286fa5e4d1e44978b535e84e1c1cb7984ab1da99985b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82c8115c5dcd3ebc32286fa5e4d1e44978b535e84e1c1cb7984ab1da99985b4", kill_on_drop: false }`
[INFO] [stdout] f82c8115c5dcd3ebc32286fa5e4d1e44978b535e84e1c1cb7984ab1da99985b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 4eb4c806d5abae24d46320eb90d0eceec700d31781b843d59cfffa3849be4630
[INFO] running `Command { std: "docker" "start" "-a" "4eb4c806d5abae24d46320eb90d0eceec700d31781b843d59cfffa3849be4630", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking nix-base32 v0.1.1
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]     Checking colored-diff v0.2.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]     Checking ignore v0.4.13
[INFO] [stderr]     Checking quicli v0.4.0
[INFO] [stderr]     Checking globwalk v0.7.3
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking tera v1.1.0
[INFO] [stderr]     Checking crate2nix v0.9.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.78s
[INFO] running `Command { std: "docker" "inspect" "4eb4c806d5abae24d46320eb90d0eceec700d31781b843d59cfffa3849be4630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb4c806d5abae24d46320eb90d0eceec700d31781b843d59cfffa3849be4630", kill_on_drop: false }`
[INFO] [stdout] 4eb4c806d5abae24d46320eb90d0eceec700d31781b843d59cfffa3849be4630