[INFO] cloning repository https://github.com/cassaundra/lang-char-freq [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cassaundra/lang-char-freq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Flang-char-freq", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Flang-char-freq'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4e55f803615c4665e2d95e6b06e986931c7499ac [INFO] checking cassaundra/lang-char-freq against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Flang-char-freq" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cassaundra/lang-char-freq 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 git repo https://github.com/cassaundra/lang-char-freq [INFO] finished tweaking git repo https://github.com/cassaundra/lang-char-freq [INFO] tweaked toml for git repo https://github.com/cassaundra/lang-char-freq written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/cassaundra/lang-char-freq 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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-subscriber v0.2.4 [INFO] [stderr] Downloaded euclid v0.20.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 8b5ded0fb865faf5da03c20b2bd4499d7f2e3ba20a4be2dae75e6403da40fd1e [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" "8b5ded0fb865faf5da03c20b2bd4499d7f2e3ba20a4be2dae75e6403da40fd1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b5ded0fb865faf5da03c20b2bd4499d7f2e3ba20a4be2dae75e6403da40fd1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b5ded0fb865faf5da03c20b2bd4499d7f2e3ba20a4be2dae75e6403da40fd1e", kill_on_drop: false }` [INFO] [stdout] 8b5ded0fb865faf5da03c20b2bd4499d7f2e3ba20a4be2dae75e6403da40fd1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 294cae45a28a60d553c6b92d5a2c08fcdca51d96de996723a9db934c931da59d [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" "294cae45a28a60d553c6b92d5a2c08fcdca51d96de996723a9db934c931da59d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Compiling encoding_rs v0.8.22 [INFO] [stderr] Compiling palette v0.5.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking float-ord v0.2.0 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking tracing-core v0.1.10 [INFO] [stderr] Checking sharded-slab v0.0.8 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking arrayvec v0.4.12 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking filetime v0.2.9 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.9 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking flate2 v1.0.14 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking tar v0.4.26 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Compiling openssl-sys v0.9.55 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Compiling bzip2-sys v0.1.8+1.0.8 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking png v0.15.3 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking euclid v0.20.8 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking freetype v0.4.1 [INFO] [stderr] Checking servo-fontconfig v0.4.0 [INFO] [stderr] Checking rusttype v0.8.2 [INFO] [stderr] Compiling openssl v0.10.29 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking bzip2 v0.3.3 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking zip v0.5.5 [INFO] [stderr] Checking image v0.22.5 [INFO] [stderr] Checking lyon_geom v0.14.1 [INFO] [stderr] Checking lyon_path v0.14.0 [INFO] [stderr] Checking font-kit v0.4.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling rustversion v1.0.3 [INFO] [stderr] Compiling palette_derive v0.5.0 [INFO] [stderr] Compiling tracing-attributes v0.1.7 [INFO] [stderr] Checking tokio v0.2.13 [INFO] [stderr] Compiling err-derive v0.2.4 [INFO] [stderr] Checking tracing v0.1.13 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking plotters v0.2.12 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.0 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking h2 v0.2.4 [INFO] [stderr] Checking serde v1.0.105 [INFO] [stderr] Checking hyper v0.13.4 [INFO] [stderr] Checking hyper-tls v0.4.1 [INFO] [stderr] Checking serde_json v1.0.50 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking tracing-serde v0.1.1 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking reqwest v0.10.4 [INFO] [stderr] Checking tracing-subscriber v0.2.4 [INFO] [stderr] Checking lang-char-freq v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: 1 positional argument in format string, but no arguments were given [INFO] [stdout] --> src/error.rs:7:35 [INFO] [stdout] | [INFO] [stdout] 7 | #[error(display = "I/O error: {}")] [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 1 positional argument in format string, but no arguments were given [INFO] [stdout] --> src/error.rs:9:43 [INFO] [stdout] | [INFO] [stdout] 9 | #[error(display = "HTTP client error: {}")] [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 1 positional argument in format string, but no arguments were given [INFO] [stdout] --> src/error.rs:11:52 [INFO] [stdout] | [INFO] [stdout] 11 | #[error(display = "TOML deserialization error: {}")] [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 1 positional argument in format string, but no arguments were given [INFO] [stdout] --> src/error.rs:7:35 [INFO] [stdout] | [INFO] [stdout] 7 | #[error(display = "I/O error: {}")] [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 1 positional argument in format string, but no arguments were given [INFO] [stdout] --> src/error.rs:9:43 [INFO] [stdout] | [INFO] [stdout] 9 | #[error(display = "HTTP client error: {}")] [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 1 positional argument in format string, but no arguments were given [INFO] [stdout] --> src/error.rs:11:52 [INFO] [stdout] | [INFO] [stdout] 11 | #[error(display = "TOML deserialization error: {}")] [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lang-char-freq` due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "294cae45a28a60d553c6b92d5a2c08fcdca51d96de996723a9db934c931da59d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "294cae45a28a60d553c6b92d5a2c08fcdca51d96de996723a9db934c931da59d", kill_on_drop: false }` [INFO] [stdout] 294cae45a28a60d553c6b92d5a2c08fcdca51d96de996723a9db934c931da59d