[INFO] fetching crate randbats-winrates 0.2.1... [INFO] checking randbats-winrates-0.2.1 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] extracting crate randbats-winrates 0.2.1 into /workspace/builds/worker-48/source [INFO] validating manifest of crates.io crate randbats-winrates 0.2.1 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate randbats-winrates 0.2.1 [INFO] finished tweaking crates.io crate randbats-winrates 0.2.1 [INFO] tweaked toml for crates.io crate randbats-winrates 0.2.1 written to /workspace/builds/worker-48/source/Cargo.toml [INFO] crate crates.io crate randbats-winrates 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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 pikkr-annika v0.16.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2fa3cc18fb0bed53a17bcf6ef3259cbe38ac5b27a5c45ee341ef90838c4f4dc9 [INFO] running `Command { std: "docker" "start" "-a" "2fa3cc18fb0bed53a17bcf6ef3259cbe38ac5b27a5c45ee341ef90838c4f4dc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2fa3cc18fb0bed53a17bcf6ef3259cbe38ac5b27a5c45ee341ef90838c4f4dc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fa3cc18fb0bed53a17bcf6ef3259cbe38ac5b27a5c45ee341ef90838c4f4dc9", kill_on_drop: false }` [INFO] [stdout] 2fa3cc18fb0bed53a17bcf6ef3259cbe38ac5b27a5c45ee341ef90838c4f4dc9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1fa00f0d1093c6953e788df3c1eba185b1ebd58c5f5f87cac7bfb0103bd5722 [INFO] running `Command { std: "docker" "start" "-a" "a1fa00f0d1093c6953e788df3c1eba185b1ebd58c5f5f87cac7bfb0103bd5722", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking pikkr-annika v0.16.1 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking randbats-winrates v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/stats.rs:189:14 [INFO] [stdout] | [INFO] [stdout] 189 | .intersperse(String::from("\n")) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/stats.rs:189:14 [INFO] [stdout] | [INFO] [stdout] 189 | .intersperse(String::from("\n")) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.25s [INFO] running `Command { std: "docker" "inspect" "a1fa00f0d1093c6953e788df3c1eba185b1ebd58c5f5f87cac7bfb0103bd5722", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1fa00f0d1093c6953e788df3c1eba185b1ebd58c5f5f87cac7bfb0103bd5722", kill_on_drop: false }` [INFO] [stdout] a1fa00f0d1093c6953e788df3c1eba185b1ebd58c5f5f87cac7bfb0103bd5722