[INFO] cloning repository https://github.com/SamSmith7/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SamSmith7/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamSmith7%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamSmith7%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 97458140709b331591d975eaf7aff442ace8a41a [INFO] checking SamSmith7/kvs/97458140709b331591d975eaf7aff442ace8a41a against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamSmith7%2Fkvs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SamSmith7/kvs on toolchain ff1737bb00913444173658b4e0b274fd79aabf66 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SamSmith7/kvs [INFO] finished tweaking git repo https://github.com/SamSmith7/kvs [INFO] tweaked toml for git repo https://github.com/SamSmith7/kvs written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/SamSmith7/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded predicates v1.0.1 [INFO] [stderr] Downloaded float-cmp v0.4.0 [INFO] [stderr] Downloaded normalize-line-endings v0.2.2 [INFO] [stderr] Downloaded predicates-core v1.0.0 [INFO] [stderr] Downloaded serde_derive v1.0.97 [INFO] [stderr] Downloaded treeline v0.1.0 [INFO] [stderr] Downloaded predicates-tree v1.0.0 [INFO] [stderr] Downloaded bincode v1.1.4 [INFO] [stderr] Downloaded serde v1.0.97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a189c0df73d0e999ba6edfe5a6d3917e2e33bd59853d9ac8ade3bfc4102688d [INFO] running `Command { std: "docker" "start" "-a" "6a189c0df73d0e999ba6edfe5a6d3917e2e33bd59853d9ac8ade3bfc4102688d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a189c0df73d0e999ba6edfe5a6d3917e2e33bd59853d9ac8ade3bfc4102688d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a189c0df73d0e999ba6edfe5a6d3917e2e33bd59853d9ac8ade3bfc4102688d", kill_on_drop: false }` [INFO] [stdout] 6a189c0df73d0e999ba6edfe5a6d3917e2e33bd59853d9ac8ade3bfc4102688d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 447a2a9b6df41abe667a7e9cd333d49e9e8585957117307488e4cfcdacb6e700 [INFO] running `Command { std: "docker" "start" "-a" "447a2a9b6df41abe667a7e9cd333d49e9e8585957117307488e4cfcdacb6e700", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking ucd-util v0.1.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.10 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking aho-corasick v0.7.4 [INFO] [stderr] Checking getrandom v0.1.7 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking regex v1.2.0 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.97 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0599]: no method named `write_all` found for struct `File` in the current scope [INFO] [stdout] --> src/kv.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | self.handle.write_all(encoded)?; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/io/mod.rs:1748:8 [INFO] [stdout] | [INFO] [stdout] = note: the method is available for `File` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: there is a method `write_all_at` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/os/unix/fs.rs:244:5 [INFO] [stdout] help: trait `Write` which provides `write_all` is implemented but not in scope; perhaps you want to import it [INFO] [stdout] | [INFO] [stdout] 1 + use std::io::Write; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `kvs` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "447a2a9b6df41abe667a7e9cd333d49e9e8585957117307488e4cfcdacb6e700", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "447a2a9b6df41abe667a7e9cd333d49e9e8585957117307488e4cfcdacb6e700", kill_on_drop: false }` [INFO] [stdout] 447a2a9b6df41abe667a7e9cd333d49e9e8585957117307488e4cfcdacb6e700