[INFO] cloning repository https://github.com/LunarCoffee/Knot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LunarCoffee/Knot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunarCoffee%2FKnot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunarCoffee%2FKnot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 93d4ba669af161d899e2c65b59b2607c95708e2e [INFO] checking LunarCoffee/Knot against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunarCoffee%2FKnot" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LunarCoffee/Knot on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LunarCoffee/Knot [INFO] finished tweaking git repo https://github.com/LunarCoffee/Knot [INFO] tweaked toml for git repo https://github.com/LunarCoffee/Knot written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/LunarCoffee/Knot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] baeaaab07d0e9ac47217d410b71fcf2df6ac0f9dcfe714e440343e59d7c418a4 [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" "baeaaab07d0e9ac47217d410b71fcf2df6ac0f9dcfe714e440343e59d7c418a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "baeaaab07d0e9ac47217d410b71fcf2df6ac0f9dcfe714e440343e59d7c418a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "baeaaab07d0e9ac47217d410b71fcf2df6ac0f9dcfe714e440343e59d7c418a4", kill_on_drop: false }` [INFO] [stdout] baeaaab07d0e9ac47217d410b71fcf2df6ac0f9dcfe714e440343e59d7c418a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 62138d5a29b392a962e7a56c5543840413c76e624835695ed814b7601d181b80 [INFO] running `Command { std: "docker" "start" "-a" "62138d5a29b392a962e7a56c5543840413c76e624835695ed814b7601d181b80", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-bigint v0.3.0 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Checking num-complex v0.3.0 [INFO] [stderr] Checking num v0.3.0 [INFO] [stderr] Checking knot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable library feature 'seek_stream_len' [INFO] [stdout] --> src/parse/pos_reader.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | / fn stream_len(&mut self) -> io::Result { [INFO] [stdout] 118 | | Ok(self.stream_len) [INFO] [stdout] 119 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #59359 for more information [INFO] [stdout] = help: add `#![feature(seek_stream_len)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'seek_stream_len' [INFO] [stdout] --> src/parse/pos_reader.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | / fn stream_len(&mut self) -> io::Result { [INFO] [stdout] 118 | | Ok(self.stream_len) [INFO] [stdout] 119 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #59359 for more information [INFO] [stdout] = help: add `#![feature(seek_stream_len)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'seek_stream_len' [INFO] [stdout] --> src/parse/pos_reader.rs:26:37 [INFO] [stdout] | [INFO] [stdout] 26 | let stream_len = reader.stream_len().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #59359 for more information [INFO] [stdout] = help: add `#![feature(seek_stream_len)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'seek_stream_len' [INFO] [stdout] --> src/parse/pos_reader.rs:26:37 [INFO] [stdout] | [INFO] [stdout] 26 | let stream_len = reader.stream_len().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #59359 for more information [INFO] [stdout] = help: add `#![feature(seek_stream_len)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `knot` [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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "62138d5a29b392a962e7a56c5543840413c76e624835695ed814b7601d181b80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62138d5a29b392a962e7a56c5543840413c76e624835695ed814b7601d181b80", kill_on_drop: false }` [INFO] [stdout] 62138d5a29b392a962e7a56c5543840413c76e624835695ed814b7601d181b80