[INFO] cloning repository https://github.com/jimberlage/digit_recognizer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimberlage/digit_recognizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimberlage%2Fdigit_recognizer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimberlage%2Fdigit_recognizer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8967a6ddb7543da825f3b477c22e90b14b06acd [INFO] checking jimberlage/digit_recognizer against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimberlage%2Fdigit_recognizer" "/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/jimberlage/digit_recognizer on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jimberlage/digit_recognizer [INFO] finished tweaking git repo https://github.com/jimberlage/digit_recognizer [INFO] tweaked toml for git repo https://github.com/jimberlage/digit_recognizer written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/jimberlage/digit_recognizer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.1.6 [INFO] [stderr] Downloaded num v0.1.22 [INFO] [stderr] Downloaded byteorder v0.3.5 [INFO] [stderr] Downloaded rand v0.3.7 [INFO] [stderr] Downloaded csv v0.14.1 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8f66bdf8ef03005eefb49a11093506881c4b09022b5427e670b637f22f61ca59 [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" "8f66bdf8ef03005eefb49a11093506881c4b09022b5427e670b637f22f61ca59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f66bdf8ef03005eefb49a11093506881c4b09022b5427e670b637f22f61ca59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f66bdf8ef03005eefb49a11093506881c4b09022b5427e670b637f22f61ca59", kill_on_drop: false }` [INFO] [stdout] 8f66bdf8ef03005eefb49a11093506881c4b09022b5427e670b637f22f61ca59 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b86b9614e056aa91981f55257c13ebd54f0ce948339f46c37d3a92e32050c90e [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" "b86b9614e056aa91981f55257c13ebd54f0ce948339f46c37d3a92e32050c90e", kill_on_drop: false }` [INFO] [stderr] Checking rustc-serialize v0.3.12 [INFO] [stderr] Checking byteorder v0.3.5 [INFO] [stderr] Checking log v0.3.1 [INFO] [stdout] error[E0405]: cannot find trait `MarkerTrait` in module `std::marker` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/byteorder-0.3.5/src/lib.rs:87:36 [INFO] [stdout] | [INFO] [stdout] 87 | pub trait ByteOrder : std::marker::MarkerTrait { [INFO] [stdout] | ^^^^^^^^^^^ not found in `std::marker` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.12/src/serialize.rs:144:45 [INFO] [stdout] | [INFO] [stdout] 144 | ... &f_name: &str, [INFO] [stdout] | ^^^^^^^ pattern not allowed in function without body [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::ffi::AsOsStr` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.12/src/serialize.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | use std::ffi::{AsOsStr, OsString}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | no `AsOsStr` in `ffi` [INFO] [stdout] | help: a similar name exists in the module: `OsStr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved imports `std::num::Float`, `std::num::Int` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.12/src/json.rs:244:16 [INFO] [stdout] | [INFO] [stdout] 244 | use std::num::{Float, Int}; [INFO] [stdout] | ^^^^^ ^^^ no `Int` in `num` [INFO] [stdout] | | [INFO] [stdout] | no `Float` in `num` [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 E0405`. [INFO] [stdout] [INFO] [stderr] error: could not compile `byteorder` [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[E0277]: the size for values of type `Self` cannot be known at compilation time [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.12/src/serialize.rs:200:41 [INFO] [stdout] | [INFO] [stdout] 200 | fn decode(d: &mut D) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time [INFO] [stdout] | [INFO] [stdout] help: consider further restricting `Self` [INFO] [stdout] | [INFO] [stdout] 200 | fn decode(d: &mut D) -> Result where Self: Sized; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0642. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b86b9614e056aa91981f55257c13ebd54f0ce948339f46c37d3a92e32050c90e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b86b9614e056aa91981f55257c13ebd54f0ce948339f46c37d3a92e32050c90e", kill_on_drop: false }` [INFO] [stdout] b86b9614e056aa91981f55257c13ebd54f0ce948339f46c37d3a92e32050c90e