[INFO] fetching crate displaydoc 0.2.1...
[INFO] checking displaydoc-0.2.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate displaydoc 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate displaydoc 0.2.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate displaydoc 0.2.1
[INFO] finished tweaking crates.io crate displaydoc 0.2.1
[INFO] tweaked toml for crates.io crate displaydoc 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate displaydoc 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16316b4353bfb8c8cf2d7e72f2ae55c6b484dfd86444868f382f59339606bf64
[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" "16316b4353bfb8c8cf2d7e72f2ae55c6b484dfd86444868f382f59339606bf64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16316b4353bfb8c8cf2d7e72f2ae55c6b484dfd86444868f382f59339606bf64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16316b4353bfb8c8cf2d7e72f2ae55c6b484dfd86444868f382f59339606bf64", kill_on_drop: false }`
[INFO] [stdout] 16316b4353bfb8c8cf2d7e72f2ae55c6b484dfd86444868f382f59339606bf64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] c77a4f75d071c85bf262f923dd6efd9e5efa121ab228a3f2ea3359684d1def9a
[INFO] running `Command { std: "docker" "start" "-a" "c77a4f75d071c85bf262f923dd6efd9e5efa121ab228a3f2ea3359684d1def9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling trybuild v1.0.41
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking displaydoc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stdout] warning: unnecessary trailing semicolons
[INFO] [stdout]   --> tests/compile_tests.rs:7:46
[INFO] [stdout]    |
[INFO] [stdout] 7  |       t.compile_fail("tests/no_std/without.rs");
[INFO] [stdout]    |  ______________________________________________^
[INFO] [stdout] 8  | |     #[cfg(not(feature = "std"))]
[INFO] [stdout] 9  | |     t.compile_fail("tests/no_std/multi_line.rs");
[INFO] [stdout] 10 | |     #[cfg(not(feature = "std"))]
[INFO] [stdout] 11 | |     t.pass("tests/no_std/multi_line_allow.rs");
[INFO] [stdout]    | |_______________________________________________^ help: remove these semicolons
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.61s
[INFO] running `Command { std: "docker" "inspect" "c77a4f75d071c85bf262f923dd6efd9e5efa121ab228a3f2ea3359684d1def9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77a4f75d071c85bf262f923dd6efd9e5efa121ab228a3f2ea3359684d1def9a", kill_on_drop: false }`
[INFO] [stdout] c77a4f75d071c85bf262f923dd6efd9e5efa121ab228a3f2ea3359684d1def9a