[INFO] fetching crate rexpect 0.4.0... [INFO] checking rexpect-0.4.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate rexpect 0.4.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate rexpect 0.4.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rexpect 0.4.0 [INFO] finished tweaking crates.io crate rexpect 0.4.0 [INFO] tweaked toml for crates.io crate rexpect 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate rexpect 0.4.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded backtrace-sys v0.1.14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf07511e9e1bc337e5c036cfdf6da5e82aafc5e4a9c974245356b4ac24d90549 [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" "bf07511e9e1bc337e5c036cfdf6da5e82aafc5e4a9c974245356b4ac24d90549", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf07511e9e1bc337e5c036cfdf6da5e82aafc5e4a9c974245356b4ac24d90549", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf07511e9e1bc337e5c036cfdf6da5e82aafc5e4a9c974245356b4ac24d90549", kill_on_drop: false }` [INFO] [stdout] bf07511e9e1bc337e5c036cfdf6da5e82aafc5e4a9c974245356b4ac24d90549 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 792fe03dd879ddadf292ae7bd4b216abdae2120b8ecfbf2800f2e06f2b1279af [INFO] running `Command { std: "docker" "start" "-a" "792fe03dd879ddadf292ae7bd4b216abdae2120b8ecfbf2800f2e06f2b1279af", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking spin v0.5.0 [INFO] [stderr] Compiling cc v1.0.0 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking rustc-demangle v0.1.5 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking regex-syntax v0.6.8 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling backtrace-sys v0.1.14 [INFO] [stderr] Checking aho-corasick v0.7.4 [INFO] [stderr] Checking getrandom v0.1.6 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking backtrace v0.3.3 [INFO] [stderr] Checking rexpect v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/session.rs:519:42 [INFO] [stdout] | [INFO] [stdout] 519 | Err(e) => assert!(false, format!("got error: {}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 519 | Err(e) => assert!(false, "got error: {}", e), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.29s [INFO] running `Command { std: "docker" "inspect" "792fe03dd879ddadf292ae7bd4b216abdae2120b8ecfbf2800f2e06f2b1279af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "792fe03dd879ddadf292ae7bd4b216abdae2120b8ecfbf2800f2e06f2b1279af", kill_on_drop: false }` [INFO] [stdout] 792fe03dd879ddadf292ae7bd4b216abdae2120b8ecfbf2800f2e06f2b1279af