[INFO] cloning repository https://github.com/BurntSushi/rust-cmail [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BurntSushi/rust-cmail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Frust-cmail", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Frust-cmail'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 64ff384418099dc824f93488876b9503791e327e [INFO] checking BurntSushi/rust-cmail against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Frust-cmail" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BurntSushi/rust-cmail on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/BurntSushi/rust-cmail [INFO] finished tweaking git repo https://github.com/BurntSushi/rust-cmail [INFO] tweaked toml for git repo https://github.com/BurntSushi/rust-cmail written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/BurntSushi/rust-cmail already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded docopt v1.0.0 [INFO] [stderr] Downloaded smallvec v0.6.3 [INFO] [stderr] Downloaded regex v1.0.2 [INFO] [stderr] Downloaded crossbeam-utils v0.4.1 [INFO] [stderr] Downloaded crossbeam-epoch v0.5.1 [INFO] [stderr] Downloaded arc-swap v0.2.0 [INFO] [stderr] Downloaded signal-hook v0.1.2 [INFO] [stderr] Downloaded crossbeam-channel v0.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2efae5f786196d39c69c27a19875dc0cf34cb66edce8aabccc7c6d3d727e1869 [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" "2efae5f786196d39c69c27a19875dc0cf34cb66edce8aabccc7c6d3d727e1869", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2efae5f786196d39c69c27a19875dc0cf34cb66edce8aabccc7c6d3d727e1869", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2efae5f786196d39c69c27a19875dc0cf34cb66edce8aabccc7c6d3d727e1869", kill_on_drop: false }` [INFO] [stdout] 2efae5f786196d39c69c27a19875dc0cf34cb66edce8aabccc7c6d3d727e1869 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c80e6222c40828f9d6c78f7a7d376cb578ae13e7f384d4b14d76d7c0e7b659a7 [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" "c80e6222c40828f9d6c78f7a7d376cb578ae13e7f384d4b14d76d7c0e7b659a7", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.0.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking stable_deref_trait v1.1.0 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking arc-swap v0.2.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking smallvec v0.6.3 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking crossbeam-epoch v0.5.1 [INFO] [stderr] Compiling quote v0.6.4 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking rand v0.5.4 [INFO] [stderr] Checking signal-hook v0.1.2 [INFO] [stderr] Compiling syn v0.14.5 [INFO] [stderr] Checking aho-corasick v0.6.6 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking parking_lot v0.5.5 [INFO] [stderr] Checking crossbeam-channel v0.2.3 [INFO] [stderr] Compiling serde_derive v1.0.70 [INFO] [stderr] Checking docopt v1.0.0 [INFO] [stderr] Checking cmail v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cmail.rs:50:47 [INFO] [stdout] | [INFO] [stdout] 50 | type Result = ::std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cmail.rs:369:25 [INFO] [stdout] | [INFO] [stdout] 369 | fn wtr(self) -> Box { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cmail.rs:50:47 [INFO] [stdout] | [INFO] [stdout] 50 | type Result = ::std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cmail.rs:369:25 [INFO] [stdout] | [INFO] [stdout] 369 | fn wtr(self) -> Box { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.66s [INFO] running `Command { std: "docker" "inspect" "c80e6222c40828f9d6c78f7a7d376cb578ae13e7f384d4b14d76d7c0e7b659a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c80e6222c40828f9d6c78f7a7d376cb578ae13e7f384d4b14d76d7c0e7b659a7", kill_on_drop: false }` [INFO] [stdout] c80e6222c40828f9d6c78f7a7d376cb578ae13e7f384d4b14d76d7c0e7b659a7