[INFO] fetching crate magic-wormhole 0.0.2... [INFO] checking magic-wormhole-0.0.2 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate magic-wormhole 0.0.2 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate magic-wormhole 0.0.2 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate magic-wormhole 0.0.2 [INFO] finished tweaking crates.io crate magic-wormhole 0.0.2 [INFO] tweaked toml for crates.io crate magic-wormhole 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate magic-wormhole 0.0.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustyline v5.0.2 [INFO] [stderr] Downloaded subtle v2.1.1 [INFO] [stderr] Downloaded spake2 v0.2.0 [INFO] [stderr] Downloaded ws v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f39580a29820b1359064c3968a381375c69b588409aa9a1f3a6aac8520ca6d70 [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" "f39580a29820b1359064c3968a381375c69b588409aa9a1f3a6aac8520ca6d70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f39580a29820b1359064c3968a381375c69b588409aa9a1f3a6aac8520ca6d70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f39580a29820b1359064c3968a381375c69b588409aa9a1f3a6aac8520ca6d70", kill_on_drop: false }` [INFO] [stdout] f39580a29820b1359064c3968a381375c69b588409aa9a1f3a6aac8520ca6d70 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73dbed324db2cec0f238cf6a8b09820ba8feddedd07fbabf6822f14d69ab2d3d [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" "73dbed324db2cec0f238cf6a8b09820ba8feddedd07fbabf6822f14d69ab2d3d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling pkg-config v0.3.15 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling adler32 v1.0.3 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling rle-decode-fast v1.0.1 [INFO] [stderr] Compiling take_mut v0.2.2 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling subtle v2.1.1 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking safemem v0.3.2 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking itoa v0.4.4 [INFO] 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[stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling libflate v0.1.27 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling openssl-sys v0.9.49 [INFO] [stderr] Compiling clear_on_drop v0.2.3 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking sha-1 v0.8.1 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Compiling curve25519-dalek v1.2.3 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking hkdf v0.7.1 [INFO] [stderr] Checking hkdf v0.8.0 [INFO] [stderr] Compiling openssl v0.10.24 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking backtrace v0.3.35 [INFO] [stderr] Compiling libsodium-sys v0.2.2 [INFO] [stderr] Checking tokio-threadpool v0.1.15 [INFO] [stderr] Checking ws v0.9.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking rustyline v5.0.2 [INFO] [stderr] Checking spake2 v0.2.0 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking tokio-tls v0.2.1 [INFO] [stderr] Checking websocket v0.23.0 [INFO] [stderr] Checking sodiumoxide v0.2.2 [INFO] [stderr] Checking magic-wormhole v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error: unused return value of `std::string::String::split_off` that must be used [INFO] [stdout] --> src/core/wordlist.rs:42:21 [INFO] [stdout] | [INFO] [stdout] 42 | suffix.split_off(p as usize); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]` [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `magic-wormhole` [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] [stdout] error: panic message is not a string literal [INFO] [stdout] --> src/core/nameplate.rs:197:25 [INFO] [stdout] | [INFO] [stdout] 197 | _ => panic!(e0), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(non_fmt_panic)]` implied by `#[deny(warnings)]` [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 197 | _ => panic!("{}", e0), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 197 | _ => std::panic::panic_any(e0), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: panic message is not a string literal [INFO] [stdout] --> src/core/nameplate.rs:247:25 [INFO] [stdout] | [INFO] [stdout] 247 | _ => panic!(e0), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 247 | _ => panic!("{}", e0), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 247 | _ => std::panic::panic_any(e0), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: panic message is not a string literal [INFO] [stdout] --> src/core/nameplate.rs:363:25 [INFO] [stdout] | [INFO] [stdout] 363 | _ => panic!(e0), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 363 | _ => panic!("{}", e0), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 363 | _ => std::panic::panic_any(e0), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unused return value of `std::string::String::split_off` that must be used [INFO] [stdout] --> src/core/wordlist.rs:42:21 [INFO] [stdout] | [INFO] [stdout] 42 | suffix.split_off(p as usize); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]` [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "73dbed324db2cec0f238cf6a8b09820ba8feddedd07fbabf6822f14d69ab2d3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73dbed324db2cec0f238cf6a8b09820ba8feddedd07fbabf6822f14d69ab2d3d", kill_on_drop: false }` [INFO] [stdout] 73dbed324db2cec0f238cf6a8b09820ba8feddedd07fbabf6822f14d69ab2d3d