[INFO] cloning repository https://github.com/power3xz/rust-in-action
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/power3xz/rust-in-action" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Frust-in-action", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Frust-in-action'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 409f37b437ad161cb1dc57f9410ca9123f97dcf6
[INFO] checking power3xz/rust-in-action against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Frust-in-action" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/power3xz/rust-in-action on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/power3xz/rust-in-action
[INFO] finished tweaking git repo https://github.com/power3xz/rust-in-action
[INFO] tweaked toml for git repo https://github.com/power3xz/rust-in-action written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/power3xz/rust-in-action already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 6af321e565d3d50da1aba47ac7f67728a8c1fc3c2a1267843f8072a36b4440f5
[INFO] running `Command { std: "docker" "start" "-a" "6af321e565d3d50da1aba47ac7f67728a8c1fc3c2a1267843f8072a36b4440f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6af321e565d3d50da1aba47ac7f67728a8c1fc3c2a1267843f8072a36b4440f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af321e565d3d50da1aba47ac7f67728a8c1fc3c2a1267843f8072a36b4440f5", kill_on_drop: false }`
[INFO] [stdout] 6af321e565d3d50da1aba47ac7f67728a8c1fc3c2a1267843f8072a36b4440f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13c4e30f4cf48fd45cda9089fa96e48ca5a70ac7d11c45c2a938400c7aa36726
[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" "13c4e30f4cf48fd45cda9089fa96e48ca5a70ac7d11c45c2a938400c7aa36726", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking l3-9 v0.1.0 (/opt/rustwide/workdir/l3-9)
[INFO] [stderr]     Checking l6-5 v0.1.0 (/opt/rustwide/workdir/l6-5)
[INFO] [stderr]     Checking l4-24 v0.1.0 (/opt/rustwide/workdir/l4-24)
[INFO] [stderr]     Checking l5-7 v0.1.0 (/opt/rustwide/workdir/l5-7)
[INFO] [stderr]     Checking l2-20 v0.1.0 (/opt/rustwide/workdir/l2-20)
[INFO] [stderr]     Checking l2-6 v0.1.0 (/opt/rustwide/workdir/l2-6)
[INFO] [stderr]     Checking l2-12 v0.1.0 (/opt/rustwide/workdir/l2-12)
[INFO] [stderr]     Checking l3-24 v0.1.0 (/opt/rustwide/workdir/l3-24)
[INFO] [stderr]     Checking l3-19 v0.1.0 (/opt/rustwide/workdir/l3-19)
[INFO] [stderr]     Checking l2-4 v0.1.0 (/opt/rustwide/workdir/l2-4)
[INFO] [stderr]     Checking l2-13 v0.1.0 (/opt/rustwide/workdir/l2-13)
[INFO] [stderr]     Checking l5-4 v0.1.0 (/opt/rustwide/workdir/l5-4)
[INFO] [stderr]     Checking l3-11 v0.1.0 (/opt/rustwide/workdir/l3-11)
[INFO] [stderr]     Checking l4-9 v0.1.0 (/opt/rustwide/workdir/l4-9)
[INFO] [stderr]     Checking filebasics v0.1.0 (/opt/rustwide/workdir/filebasics)
[INFO] [stderr]     Checking l5-2 v0.1.0 (/opt/rustwide/workdir/l5-2)
[INFO] [stderr]     Checking l4-8 v0.1.0 (/opt/rustwide/workdir/l4-8)
[INFO] [stderr]     Checking l5-18 v0.1.0 (/opt/rustwide/workdir/l5-18)
[INFO] [stderr]     Checking l2-17 v0.1.0 (/opt/rustwide/workdir/l2-17)
[INFO] [stderr]     Checking l3-10 v0.1.0 (/opt/rustwide/workdir/l3-10)
[INFO] [stderr]     Checking l2-10 v0.1.0 (/opt/rustwide/workdir/l2-10)
[INFO] [stderr]     Checking l1-5 v0.1.0 (/opt/rustwide/workdir/l1-5)
[INFO] [stderr]     Checking l5-9 v0.1.0 (/opt/rustwide/workdir/l5-9)
[INFO] [stderr]     Checking l1-7 v0.1.0 (/opt/rustwide/workdir/l1-7)
[INFO] [stderr]     Checking l5-3 v0.1.0 (/opt/rustwide/workdir/l5-3)
[INFO] [stderr]     Checking l2-5 v0.1.0 (/opt/rustwide/workdir/l2-5)
[INFO] [stdout] error[E0277]: `Demo` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> l4-8/src/main.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     println!("{}", demo);
[INFO] [stdout]    |                    ^^^^ `Demo` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Demo`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     Checking l1-9 v0.1.0 (/opt/rustwide/workdir/l1-9)
[INFO] [stderr]     Checking l3-6 v0.1.0 (/opt/rustwide/workdir/l3-6)
[INFO] [stderr] error: could not compile `l4-8`
[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] [stdout] error[E0382]: borrow of moved value: `grains`
[INFO] [stdout]   --> l1-5/src/main.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut grains: Vec<Cereal> = vec![];
[INFO] [stdout]    |         ---------- move occurs because `grains` has type `Vec<Cereal>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 15 |     drop(grains);
[INFO] [stdout]    |          ------ value moved here
[INFO] [stdout] 16 | 
[INFO] [stdout] 17 |     println!("{:?}", grains)
[INFO] [stdout]    |                      ^^^^^^ value borrowed here after move
[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 E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "13c4e30f4cf48fd45cda9089fa96e48ca5a70ac7d11c45c2a938400c7aa36726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c4e30f4cf48fd45cda9089fa96e48ca5a70ac7d11c45c2a938400c7aa36726", kill_on_drop: false }`
[INFO] [stdout] 13c4e30f4cf48fd45cda9089fa96e48ca5a70ac7d11c45c2a938400c7aa36726