[INFO] cloning repository https://github.com/pgecsenyi/perm-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pgecsenyi/perm-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgecsenyi%2Fperm-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgecsenyi%2Fperm-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02c3e1255a6d5365074f3cf43f5e3ac063af349b
[INFO] checking pgecsenyi/perm-rust against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgecsenyi%2Fperm-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pgecsenyi/perm-rust on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pgecsenyi/perm-rust
[INFO] finished tweaking git repo https://github.com/pgecsenyi/perm-rust
[INFO] tweaked toml for git repo https://github.com/pgecsenyi/perm-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/pgecsenyi/perm-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded csv v1.0.5
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded structopt v0.2.15
[INFO] [stderr]   Downloaded serde_derive v1.0.86
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded serde v1.0.86
[INFO] [stderr]   Downloaded syn v0.15.26
[INFO] [stderr]   Downloaded structopt-derive v0.2.15
[INFO] [stderr]   Downloaded serde_json v1.0.38
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.27
[INFO] [stderr]   Downloaded libc v0.2.48
[INFO] [stderr]   Downloaded redox_syscall v0.1.51
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded quote v0.6.11
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 679d6a57cf26459df66d92848c024c0b4b112c4f4356ba66da75720cbcf04d58
[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" "679d6a57cf26459df66d92848c024c0b4b112c4f4356ba66da75720cbcf04d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "679d6a57cf26459df66d92848c024c0b4b112c4f4356ba66da75720cbcf04d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679d6a57cf26459df66d92848c024c0b4b112c4f4356ba66da75720cbcf04d58", kill_on_drop: false }`
[INFO] [stdout] 679d6a57cf26459df66d92848c024c0b4b112c4f4356ba66da75720cbcf04d58
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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] 909f94233f6f83ff1e8ea33e498282acfdc3c724ba5ad01fc3f63c3f7b386ce3
[INFO] running `Command { std: "docker" "start" "-a" "909f94233f6f83ff1e8ea33e498282acfdc3c724ba5ad01fc3f63c3f7b386ce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking memchr v2.2.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.86
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking perm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.18s
[INFO] running `Command { std: "docker" "inspect" "909f94233f6f83ff1e8ea33e498282acfdc3c724ba5ad01fc3f63c3f7b386ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909f94233f6f83ff1e8ea33e498282acfdc3c724ba5ad01fc3f63c3f7b386ce3", kill_on_drop: false }`
[INFO] [stdout] 909f94233f6f83ff1e8ea33e498282acfdc3c724ba5ad01fc3f63c3f7b386ce3