[INFO] cloning repository https://github.com/SirVer/taskpaper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SirVer/taskpaper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirVer%2Ftaskpaper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirVer%2Ftaskpaper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd2c21e81e18a37efd15ca3b2004f6f356793d5c
[INFO] checking SirVer/taskpaper against try#506dff8de9f54f528028a7e4497ea925a4f3e19e for pr-94295
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirVer%2Ftaskpaper" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SirVer/taskpaper on toolchain 506dff8de9f54f528028a7e4497ea925a4f3e19e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SirVer/taskpaper
[INFO] finished tweaking git repo https://github.com/SirVer/taskpaper
[INFO] tweaked toml for git repo https://github.com/SirVer/taskpaper written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/SirVer/taskpaper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "fetch" "--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 dirs-sys-next v0.1.2
[INFO] [stderr]   Downloaded shellexpand v2.1.0
[INFO] [stderr]   Downloaded filetime v0.2.14
[INFO] [stderr]   Downloaded tar v0.4.33
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded httpdate v1.0.0
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded indicatif v0.15.0
[INFO] [stderr]   Downloaded xml-rs v0.8.3
[INFO] [stderr]   Downloaded num-complex v0.2.4
[INFO] [stderr]   Downloaded rprompt v1.0.5
[INFO] [stderr]   Downloaded x11-clipboard v0.3.3
[INFO] [stderr]   Downloaded malloc_buf v0.0.6
[INFO] [stderr]   Downloaded anyhow v1.0.40
[INFO] [stderr]   Downloaded xml5ever v0.16.1
[INFO] [stderr]   Downloaded objc v0.2.7
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded objc_id v0.1.1
[INFO] [stderr]   Downloaded hyper-rustls v0.22.1
[INFO] [stderr]   Downloaded console v0.14.1
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] [stderr]   Downloaded objc-foundation v0.1.1
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded semver-parser v0.10.2
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded string_cache v0.8.1
[INFO] [stderr]   Downloaded quick-xml v0.12.4
[INFO] [stderr]   Downloaded addr2line v0.15.1
[INFO] [stderr]   Downloaded chrono-tz v0.5.3
[INFO] [stderr]   Downloaded rust_decimal v0.10.2
[INFO] [stderr]   Downloaded block v0.1.6
[INFO] [stderr]   Downloaded clipboard-win v2.2.0
[INFO] [stderr]   Downloaded html5ever v0.22.3
[INFO] [stderr]   Downloaded num-rational v0.2.4
[INFO] [stderr]   Downloaded semver v0.11.0
[INFO] [stderr]   Downloaded xattr v0.2.2
[INFO] [stderr]   Downloaded textwrap v0.13.4
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded dirs-next v2.0.0
[INFO] [stderr]   Downloaded xcb v0.8.2
[INFO] [stderr]   Downloaded hyper v0.14.7
[INFO] [stderr]   Downloaded derive_builder_core v0.2.0
[INFO] [stderr]   Downloaded html2text v0.2.1
[INFO] [stderr]   Downloaded plist v1.1.0
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] [stderr]   Downloaded tokio v1.6.0
[INFO] [stderr]   Downloaded soup v0.5.1
[INFO] [stderr]   Downloaded gimli v0.24.0
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded backtrace v0.3.59
[INFO] [stderr]   Downloaded siphasher v0.3.5
[INFO] [stderr]   Downloaded dtparse v1.2.0
[INFO] [stderr]   Downloaded line-wrap v0.1.1
[INFO] [stderr]   Downloaded markup5ever v0.7.5
[INFO] [stderr]   Downloaded atom_syndication v0.6.0
[INFO] [stderr]   Downloaded encode_unicode v0.3.6
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded object v0.24.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.19
[INFO] [stderr]   Downloaded ctor v0.1.20
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded syndication v0.5.0
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded clipboard v0.5.0
[INFO] [stderr]   Downloaded diligent-date-parser v0.1.2
[INFO] [stderr]   Downloaded path-dedot v3.0.12
[INFO] [stderr]   Downloaded path-absolutize v3.0.10
[INFO] [stderr]   Downloaded self_update v0.27.0
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded derive_builder v0.5.1
[INFO] [stderr]   Downloaded atom_syndication v0.9.1
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] [stderr]   Downloaded rss v1.10.0
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded osascript v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6cd65d9e619d7b38e1168a14818a74e88c701923e0a95f0d81c726d62f392a6
[INFO] running `Command { std: "docker" "start" "-a" "b6cd65d9e619d7b38e1168a14818a74e88c701923e0a95f0d81c726d62f392a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6cd65d9e619d7b38e1168a14818a74e88c701923e0a95f0d81c726d62f392a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6cd65d9e619d7b38e1168a14818a74e88c701923e0a95f0d81c726d62f392a6", kill_on_drop: false }`
[INFO] [stdout] b6cd65d9e619d7b38e1168a14818a74e88c701923e0a95f0d81c726d62f392a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 465b0e9f11bdbb1373f2ac43682656d81709cb031e07924abdd7e2b4fdab6aa7
[INFO] running `Command { std: "docker" "start" "-a" "465b0e9f11bdbb1373f2ac43682656d81709cb031e07924abdd7e2b4fdab6aa7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling self_update v0.27.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking path-dedot v3.0.12
[INFO] [stderr] error: could not compile `proc-macro-hack`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proc_macro_hack --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-hack-0.5.19/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=bd66513869653eb4 -C extra-filename=-bd66513869653eb4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro --cap-lints allow --cap-lints=forbid` (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" "465b0e9f11bdbb1373f2ac43682656d81709cb031e07924abdd7e2b4fdab6aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465b0e9f11bdbb1373f2ac43682656d81709cb031e07924abdd7e2b4fdab6aa7", kill_on_drop: false }`
[INFO] [stdout] 465b0e9f11bdbb1373f2ac43682656d81709cb031e07924abdd7e2b4fdab6aa7