[INFO] updating cached repository https://github.com/semtexzv/podcomp [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b95624788458c8ed937a16c0d33ee71ae544ff17 [INFO] testing semtexzv/podcomp against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsemtexzv%2Fpodcomp" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/semtexzv/podcomp on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/semtexzv/podcomp [INFO] finished tweaking git repo https://github.com/semtexzv/podcomp [INFO] tweaked toml for git repo https://github.com/semtexzv/podcomp written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/semtexzv/podcomp already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stdout] 4a10aa88650f93766a731a8810e6d45710e6dbebe09790ab628b4fd4b2875789 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "4a10aa88650f93766a731a8810e6d45710e6dbebe09790ab628b4fd4b2875789"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling structopt-derive v0.3.4 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling structopt v0.3.4 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling serde_yaml v0.8.11 [INFO] [stderr] Compiling podcomp v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0658]: the `!` type is experimental [INFO] [stderr] --> src/prelude.rs:15:43 [INFO] [stderr] | [INFO] [stderr] 15 | T: Deserialize<'de> + FromStr, [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #35121 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: the `!` type is experimental [INFO] [stderr] --> src/prelude.rs:27:47 [INFO] [stderr] | [INFO] [stderr] 27 | T: Deserialize<'de> + FromStr, [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #35121 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: the `!` type is experimental [INFO] [stderr] --> src/compose.rs:58:16 [INFO] [stderr] | [INFO] [stderr] 58 | type Err = !; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #35121 for more information [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `DeserializeOwned` [INFO] [stderr] --> src/prelude.rs:6:37 [INFO] [stderr] | [INFO] [stderr] 6 | use serde::de::{MapAccess, Visitor, DeserializeOwned}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserializer`, `Serialize` [INFO] [stderr] --> src/compose.rs:3:26 [INFO] [stderr] | [INFO] [stderr] 3 | use serde::{Deserialize, Serialize, Deserializer}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/cmds/util.rs:12:80 [INFO] [stderr] | [INFO] [stderr] 12 | fn run(compose: Compose, global: GlobalOpts, opts: Self) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/cmds/util.rs:25:80 [INFO] [stderr] | [INFO] [stderr] 25 | fn run(compose: Compose, global: GlobalOpts, opts: Self) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/cmds/util.rs:41:80 [INFO] [stderr] | [INFO] [stderr] 41 | fn run(compose: Compose, global: GlobalOpts, opts: Self) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors; 6 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] error: could not compile `podcomp`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4a10aa88650f93766a731a8810e6d45710e6dbebe09790ab628b4fd4b2875789"` [INFO] running `"docker" "rm" "-f" "4a10aa88650f93766a731a8810e6d45710e6dbebe09790ab628b4fd4b2875789"` [INFO] [stdout] 4a10aa88650f93766a731a8810e6d45710e6dbebe09790ab628b4fd4b2875789