[INFO] cloning repository https://github.com/exclave/exclave
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exclave/exclave" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexclave%2Fexclave", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexclave%2Fexclave'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4463f622c99761ee69e1689c7e38e99b07996d38
[INFO] checking exclave/exclave against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexclave%2Fexclave" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exclave/exclave on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/exclave/exclave
[INFO] finished tweaking git repo https://github.com/exclave/exclave
[INFO] tweaked toml for git repo https://github.com/exclave/exclave written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/exclave/exclave already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.1.1
[INFO] [stderr]   Downloaded systemd-parser v0.1.3
[INFO] [stderr]   Downloaded daggy v0.6.0
[INFO] [stderr]   Downloaded syn v0.15.15
[INFO] [stderr]   Downloaded runny v1.2.5
[INFO] [stderr]   Downloaded dependy v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6773dcc2b8e01253674f7521f118c268fc611d90ea69c2b9e0de0cfeec2781b
[INFO] running `Command { std: "docker" "start" "-a" "c6773dcc2b8e01253674f7521f118c268fc611d90ea69c2b9e0de0cfeec2781b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6773dcc2b8e01253674f7521f118c268fc611d90ea69c2b9e0de0cfeec2781b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6773dcc2b8e01253674f7521f118c268fc611d90ea69c2b9e0de0cfeec2781b", kill_on_drop: false }`
[INFO] [stdout] c6773dcc2b8e01253674f7521f118c268fc611d90ea69c2b9e0de0cfeec2781b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 007deb7c557cbb649d57d41b7789c6349eb2b396f68e328e9f23a17f681d2334
[INFO] running `Command { std: "docker" "start" "-a" "007deb7c557cbb649d57d41b7789c6349eb2b396f68e328e9f23a17f681d2334", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling user32-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking clicolors-control v0.2.0
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking filetime v0.2.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling exclave v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking daggy v0.6.0
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking runny v1.2.5
[INFO] [stderr]     Checking dependy v0.4.1
[INFO] [stderr]     Checking systemd-parser v0.1.3
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking console v0.6.2
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/units/scenario.rs:182:29
[INFO] [stdout]     |
[INFO] [stdout] 182 | ...                   PathBuf::from(wd);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 182 |                             let _ = PathBuf::from(wd);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used
[INFO] [stdout]    --> src/units/scenario.rs:182:29
[INFO] [stdout]     |
[INFO] [stdout] 182 | ...                   PathBuf::from(wd);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 182 |                             let _ = PathBuf::from(wd);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "007deb7c557cbb649d57d41b7789c6349eb2b396f68e328e9f23a17f681d2334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007deb7c557cbb649d57d41b7789c6349eb2b396f68e328e9f23a17f681d2334", kill_on_drop: false }`
[INFO] [stdout] 007deb7c557cbb649d57d41b7789c6349eb2b396f68e328e9f23a17f681d2334