[INFO] fetching crate ftw 0.4.0...
[INFO] checking ftw-0.4.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate ftw 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ftw 0.4.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ftw 0.4.0
[INFO] finished tweaking crates.io crate ftw 0.4.0
[INFO] tweaked toml for crates.io crate ftw 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ftw 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanoid v0.3.0
[INFO] [stderr]   Downloaded remove_dir_all v0.6.1
[INFO] [stderr]   Downloaded proc-quote v0.3.2
[INFO] [stderr]   Downloaded kstring v1.0.1
[INFO] [stderr]   Downloaded liquid-lib v0.21.2
[INFO] [stderr]   Downloaded git2 v0.13.17
[INFO] [stderr]   Downloaded serde_ignored v0.1.2
[INFO] [stderr]   Downloaded im-rc v15.0.0
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded curl v0.4.34
[INFO] [stderr]   Downloaded git2-curl v0.14.1
[INFO] [stderr]   Downloaded console v0.14.0
[INFO] [stderr]   Downloaded rustc-workspace-hack v1.0.0
[INFO] [stderr]   Downloaded toml_edit v0.2.0
[INFO] [stderr]   Downloaded subprocess v0.2.6
[INFO] [stderr]   Downloaded assert_cmd v1.0.3
[INFO] [stderr]   Downloaded predicates-tree v1.0.1
[INFO] [stderr]   Downloaded cargo_metadata v0.11.4
[INFO] [stderr]   Downloaded env_proxy v0.4.1
[INFO] [stderr]   Downloaded semver v0.10.0
[INFO] [stderr]   Downloaded fwdansi v1.1.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]   Downloaded cargo-edit v0.7.0
[INFO] [stderr]   Downloaded crates-io v0.31.1
[INFO] [stderr]   Downloaded shell-escape v0.1.5
[INFO] [stderr]   Downloaded cargo v0.50.1
[INFO] [stderr]   Downloaded rand v0.8.2
[INFO] [stderr]   Downloaded home v0.5.3
[INFO] [stderr]   Downloaded curl-sys v0.4.40+curl-7.75.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]   Downloaded cargo-generate v0.5.3
[INFO] [stderr]   Downloaded sized-chunks v0.6.4
[INFO] [stderr]   Downloaded opener v0.4.1
[INFO] [stderr]   Downloaded rustfix v0.5.1
[INFO] [stderr]   Downloaded wasi v0.10.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.1.0
[INFO] [stderr]   Downloaded fs_extra v1.2.0
[INFO] [stderr]   Downloaded proc-quote-impl v0.3.2
[INFO] [stderr]   Downloaded liquid v0.21.5
[INFO] [stderr]   Downloaded liquid-derive v0.21.1
[INFO] [stderr]   Downloaded voca_rs v1.13.0
[INFO] [stderr]   Downloaded liquid-core v0.21.3
[INFO] [stderr]   Downloaded stfu8 v0.2.4
[INFO] [stderr]   Downloaded predicates-core v1.0.1
[INFO] [stderr]   Downloaded strum v0.20.0
[INFO] [stderr]   Downloaded strum_macros v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c88a2dee2aecc837725012cfa48903271b298002206e42aa48b1fb714e8383e5
[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" "c88a2dee2aecc837725012cfa48903271b298002206e42aa48b1fb714e8383e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c88a2dee2aecc837725012cfa48903271b298002206e42aa48b1fb714e8383e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88a2dee2aecc837725012cfa48903271b298002206e42aa48b1fb714e8383e5", kill_on_drop: false }`
[INFO] [stdout] c88a2dee2aecc837725012cfa48903271b298002206e42aa48b1fb714e8383e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa4370304e7cc52bf014d017f837a8cf7babf113d0e08ce5a954ac445ea2d3a6
[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" "aa4370304e7cc52bf014d017f837a8cf7babf113d0e08ce5a954ac445ea2d3a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking remove_dir_all v0.6.1
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking walkdir v2.3.1
[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]     Checking log v0.4.13
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking predicates-tree v1.0.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking subprocess v0.2.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling tar v0.4.33
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking voca_rs v1.13.0
[INFO] [stderr]     Checking nanoid v0.3.0
[INFO] [stderr]     Checking assert_cmd v1.0.3
[INFO] [stderr]     Checking env_proxy v0.4.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling curl-sys v0.4.40+curl-7.75.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]     Checking sized-chunks v0.6.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking dialoguer v0.7.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling cargo v0.50.1
[INFO] [stderr]     Checking toml_edit v0.2.0
[INFO] [stderr]    Compiling proc-quote v0.3.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling liquid-derive v0.21.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking git2 v0.13.17
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.123/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=acb9b839f031db55 -C extra-filename=-acb9b839f031db55 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1973dd20edee240d.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-4ec537cd54aa65f5.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "aa4370304e7cc52bf014d017f837a8cf7babf113d0e08ce5a954ac445ea2d3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4370304e7cc52bf014d017f837a8cf7babf113d0e08ce5a954ac445ea2d3a6", kill_on_drop: false }`
[INFO] [stdout] aa4370304e7cc52bf014d017f837a8cf7babf113d0e08ce5a954ac445ea2d3a6