[INFO] crate isildur 0.2.0 is already in cache [INFO] extracting crate isildur 0.2.0 into work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/isildur/0.2.0 [INFO] extracting crate isildur 0.2.0 into work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/isildur/0.2.0 [INFO] validating manifest of isildur-0.2.0 on toolchain master#1891bfa80364eead426517c68de6947b7692e2de [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of isildur-0.2.0 on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing isildur-0.2.0 [INFO] finished frobbing isildur-0.2.0 [INFO] frobbed toml for isildur-0.2.0 written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/isildur/0.2.0/Cargo.toml [INFO] started frobbing isildur-0.2.0 [INFO] finished frobbing isildur-0.2.0 [INFO] frobbed toml for isildur-0.2.0 written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/isildur/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking isildur-0.2.0 against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-1/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/isildur/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 91fd2e12eac4bf81df762595d7fb50d6e94bfb6f9bbabd79eef2252f96967a9d [INFO] running `"docker" "start" "-a" "91fd2e12eac4bf81df762595d7fb50d6e94bfb6f9bbabd79eef2252f96967a9d"` [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling proc-macro2 v0.4.29 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling cc v1.0.36 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking futures v0.1.26 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling bitflags v1.0.5 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling openssl v0.10.21 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking string v0.1.3 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling encoding_rs v0.8.17 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Compiling unicase v2.4.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking tokio-trace-core v0.1.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking miniz_oxide v0.2.1 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking tokio-sync v0.1.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling openssl-sys v0.9.45 [INFO] [stderr] Compiling libssh2-sys v0.2.11 [INFO] [stderr] Compiling curl-sys v0.4.18 [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.1 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling libgit2-sys v0.7.11 [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking filetime v0.2.5 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tar v0.4.24 [INFO] [stderr] Checking mime v0.3.13 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.17 [INFO] [stderr] Checking flate2 v1.0.7 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking cookie v0.11.1 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Checking h2 v0.1.18 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.19 [INFO] [stderr] Checking hyper v0.12.28 [INFO] [stderr] Checking toml_edit v0.1.3 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Compiling structopt-derive v0.2.15 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] warning[E0502]: cannot borrow `v` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/toml_edit-0.1.3/src/index.rs:55:65 [INFO] [stderr] | [INFO] [stderr] 44 | fn index_or_insert<'v>(&self, v: &'v mut Item) -> &'v mut Item { [INFO] [stderr] | -- lifetime `'v` defined here [INFO] [stderr] 45 | / match *v { [INFO] [stderr] 46 | | Item::ArrayOfTables(ref mut vec) => { [INFO] [stderr] 47 | | vec.values.get_mut(*self).expect("index out of bounds") [INFO] [stderr] 48 | | } [INFO] [stderr] 49 | | Item::Value(ref mut a) if a.is_array() => a [INFO] [stderr] | | --------- mutable borrow occurs here [INFO] [stderr] ... | [INFO] [stderr] 55 | | _ => panic!("cannot access index {} in {:?}", self, v), [INFO] [stderr] | | ^ immutable borrow occurs here [INFO] [stderr] 56 | | } [INFO] [stderr] | |_________- returning this value requires that `v.0` is borrowed for `'v` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `v` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/toml_edit-0.1.3/src/index.rs:88:63 [INFO] [stderr] | [INFO] [stderr] 70 | fn index_or_insert<'v>(&self, v: &'v mut Item) -> &'v mut Item { [INFO] [stderr] | -- lifetime `'v` defined here [INFO] [stderr] ... [INFO] [stderr] 77 | / match *v { [INFO] [stderr] 78 | | Item::Table(ref mut t) => t.entry(self).or_insert(Item::None), [INFO] [stderr] 79 | | Item::Value(ref mut v) if v.is_inline_table() => { [INFO] [stderr] | | --------- mutable borrow occurs here [INFO] [stderr] 80 | | &mut v [INFO] [stderr] ... | [INFO] [stderr] 88 | | _ => panic!("cannot access key {} in {:?}", self, v), [INFO] [stderr] | | ^ immutable borrow occurs here [INFO] [stderr] 89 | | } [INFO] [stderr] | |_________- returning this value requires that `v.0` is borrowed for `'v` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] [INFO] [stderr] Checking structopt v0.2.15 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking cookie_store v0.5.1 [INFO] [stderr] Checking reqwest v0.9.16 [INFO] [stderr] Checking git2 v0.7.5 [INFO] [stderr] Checking crates-index v0.12.1 [INFO] [stderr] Checking isildur v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: the item `io` is imported redundantly [INFO] [stderr] --> src/main.rs:82:9 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::{self, Write}; [INFO] [stderr] | ---- the item `io` is already imported here [INFO] [stderr] ... [INFO] [stderr] 82 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: the item `io` is imported redundantly [INFO] [stderr] --> src/main.rs:82:9 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::{self, Write}; [INFO] [stderr] | ---- the item `io` is already imported here [INFO] [stderr] ... [INFO] [stderr] 82 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 4m 32s [INFO] running `"docker" "inspect" "91fd2e12eac4bf81df762595d7fb50d6e94bfb6f9bbabd79eef2252f96967a9d"` [INFO] running `"docker" "rm" "-f" "91fd2e12eac4bf81df762595d7fb50d6e94bfb6f9bbabd79eef2252f96967a9d"` [INFO] [stdout] 91fd2e12eac4bf81df762595d7fb50d6e94bfb6f9bbabd79eef2252f96967a9d