[INFO] cloning repository https://github.com/jebrosen/rust-lang-66251
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jebrosen/rust-lang-66251" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjebrosen%2Frust-lang-66251", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjebrosen%2Frust-lang-66251'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 275169bdda3678d38a797b12a08a3490a0d0abf4
[INFO] checking jebrosen/rust-lang-66251 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjebrosen%2Frust-lang-66251" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jebrosen/rust-lang-66251 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jebrosen/rust-lang-66251
[INFO] finished tweaking git repo https://github.com/jebrosen/rust-lang-66251
[INFO] tweaked toml for git repo https://github.com/jebrosen/rust-lang-66251 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jebrosen/rust-lang-66251 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 26e6a672b398643bec3ab677b9e370a387ec5bf4194ce26deacc1078e80bccc8
[INFO] running `Command { std: "docker" "start" "-a" "26e6a672b398643bec3ab677b9e370a387ec5bf4194ce26deacc1078e80bccc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e6a672b398643bec3ab677b9e370a387ec5bf4194ce26deacc1078e80bccc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e6a672b398643bec3ab677b9e370a387ec5bf4194ce26deacc1078e80bccc8", kill_on_drop: false }`
[INFO] [stdout] 26e6a672b398643bec3ab677b9e370a387ec5bf4194ce26deacc1078e80bccc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 3e5f34836589517263f477e28d3c62d5e70a2e1542c3be0157eb55fa8fc34fa5
[INFO] running `Command { std: "docker" "start" "-a" "3e5f34836589517263f477e28d3c62d5e70a2e1542c3be0157eb55fa8fc34fa5", kill_on_drop: false }`
[INFO] [stderr]     Checking crate2 v0.1.0 (/opt/rustwide/workdir/crate2)
[INFO] [stderr]     Checking rust-lang-66251 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `*const ()` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     crate2::wants_display(&() as *const ());
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^ `*const ()` cannot be formatted with the default formatter
[INFO] [stdout]   | 
[INFO] [stdout]  ::: /opt/rustwide/workdir/crate2/src/lib.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn wants_display<T: std::fmt::Display>(x: T) {
[INFO] [stdout]   |                         ----------------- required by this bound in `wants_display`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `*const ()`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `*const ()` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     crate2::wants_display(&() as *const ());
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^ `*const ()` cannot be formatted with the default formatter
[INFO] [stdout]   | 
[INFO] [stdout]  ::: /opt/rustwide/workdir/crate2/src/lib.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn wants_display<T: std::fmt::Display>(x: T) {
[INFO] [stdout]   |                         ----------------- required by this bound in `wants_display`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `*const ()`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-lang-66251`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3e5f34836589517263f477e28d3c62d5e70a2e1542c3be0157eb55fa8fc34fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5f34836589517263f477e28d3c62d5e70a2e1542c3be0157eb55fa8fc34fa5", kill_on_drop: false }`
[INFO] [stdout] 3e5f34836589517263f477e28d3c62d5e70a2e1542c3be0157eb55fa8fc34fa5