[INFO] fetching crate bart 0.1.4...
[INFO] checking bart-0.1.4 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate bart 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bart 0.1.4 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bart 0.1.4
[INFO] finished tweaking crates.io crate bart 0.1.4
[INFO] tweaked toml for crates.io crate bart 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", 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] 05e6640a370f0100b9173e49ab43d7ab6eab56bff733701c4550eef79cadfe61
[INFO] running `Command { std: "docker" "start" "-a" "05e6640a370f0100b9173e49ab43d7ab6eab56bff733701c4550eef79cadfe61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05e6640a370f0100b9173e49ab43d7ab6eab56bff733701c4550eef79cadfe61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e6640a370f0100b9173e49ab43d7ab6eab56bff733701c4550eef79cadfe61", kill_on_drop: false }`
[INFO] [stdout] 05e6640a370f0100b9173e49ab43d7ab6eab56bff733701c4550eef79cadfe61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 1e939626789b02fe3b1b2a90c95f68d166044481deda5b30e977fb5c70670fda
[INFO] running `Command { std: "docker" "start" "-a" "1e939626789b02fe3b1b2a90c95f68d166044481deda5b30e977fb5c70670fda", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking bart v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]    --> src/lib.rs:158:1
[INFO] [stdout]     |
[INFO] [stdout] 158 | #[macro_use] extern crate nom;
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/display_html_safe.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     inner: &'a mut Write
[INFO] [stdout]   |                    ^^^^^ help: use `dyn`: `dyn Write`
[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/display_html_safe.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn new(inner: &'a mut Write) -> EscapingWriter<'a> {
[INFO] [stdout]   |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling bart_derive v0.1.4
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]    --> src/lib.rs:158:1
[INFO] [stdout]     |
[INFO] [stdout] 158 | #[macro_use] extern crate nom;
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/display_html_safe.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     inner: &'a mut Write
[INFO] [stdout]   |                    ^^^^^ help: use `dyn`: `dyn Write`
[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/display_html_safe.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn new(inner: &'a mut Write) -> EscapingWriter<'a> {
[INFO] [stdout]   |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.65s
[INFO] running `Command { std: "docker" "inspect" "1e939626789b02fe3b1b2a90c95f68d166044481deda5b30e977fb5c70670fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e939626789b02fe3b1b2a90c95f68d166044481deda5b30e977fb5c70670fda", kill_on_drop: false }`
[INFO] [stdout] 1e939626789b02fe3b1b2a90c95f68d166044481deda5b30e977fb5c70670fda