[INFO] fetching crate twtar 0.1.1...
[INFO] building twtar-0.1.1 against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] extracting crate twtar 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate twtar 0.1.1 on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twtar 0.1.1
[INFO] finished tweaking crates.io crate twtar 0.1.1
[INFO] tweaked toml for crates.io crate twtar 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate twtar 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded opaque-debug v0.3.0
[INFO] [stderr]   Downloaded snafu-derive v0.6.10
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded roaes v0.1.1
[INFO] [stderr]   Downloaded filetime v0.2.15
[INFO] [stderr]   Downloaded egzreader v2.0.2
[INFO] [stderr]   Downloaded block-padding v0.2.1
[INFO] [stderr]   Downloaded cipher v0.3.0
[INFO] [stderr]   Downloaded crc32fast v1.2.1
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded flate2 v1.0.22
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded aes v0.7.5
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded cc v1.0.71
[INFO] [stderr]   Downloaded backtrace v0.3.63
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded object v0.27.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded typenum v1.14.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded snafu v0.6.10
[INFO] [stderr]   Downloaded tar v0.4.37
[INFO] [stderr]   Downloaded os_str_bytes v5.0.0
[INFO] [stderr]   Downloaded cpufeatures v0.2.1
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded generic-array v0.14.4
[INFO] [stderr]   Downloaded block-modes v0.8.1
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded libc v0.2.103
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded addr2line v0.17.0
[INFO] [stderr]   Downloaded humantime v2.1.0
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded xattr v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03a90b0b70cdfa3d37c87cd045e165767334ad7070ab9d4eaf50095f63272d8b
[INFO] running `Command { std: "docker" "start" "-a" "03a90b0b70cdfa3d37c87cd045e165767334ad7070ab9d4eaf50095f63272d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03a90b0b70cdfa3d37c87cd045e165767334ad7070ab9d4eaf50095f63272d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a90b0b70cdfa3d37c87cd045e165767334ad7070ab9d4eaf50095f63272d8b", kill_on_drop: false }`
[INFO] [stdout] 03a90b0b70cdfa3d37c87cd045e165767334ad7070ab9d4eaf50095f63272d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bad5c273321e17bd7cd0b2bb4224bc684733d776e2596cbdc061ca31866ec8bc
[INFO] running `Command { std: "docker" "start" "-a" "bad5c273321e17bd7cd0b2bb4224bc684733d776e2596cbdc061ca31866ec8bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling egzreader v2.0.2
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling block-modes v0.8.1
[INFO] [stderr]    Compiling aes v0.7.5
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling roaes v0.1.1
[INFO] [stderr]    Compiling twtar v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.22s
[INFO] running `Command { std: "docker" "inspect" "bad5c273321e17bd7cd0b2bb4224bc684733d776e2596cbdc061ca31866ec8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad5c273321e17bd7cd0b2bb4224bc684733d776e2596cbdc061ca31866ec8bc", kill_on_drop: false }`
[INFO] [stdout] bad5c273321e17bd7cd0b2bb4224bc684733d776e2596cbdc061ca31866ec8bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79028a9a7943f575ff4356d35a2740ee7a2f14e2daca938a5a0ec40b2aebd750
[INFO] running `Command { std: "docker" "start" "-a" "79028a9a7943f575ff4356d35a2740ee7a2f14e2daca938a5a0ec40b2aebd750", kill_on_drop: false }`
[INFO] [stderr]    Compiling twtar v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "79028a9a7943f575ff4356d35a2740ee7a2f14e2daca938a5a0ec40b2aebd750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79028a9a7943f575ff4356d35a2740ee7a2f14e2daca938a5a0ec40b2aebd750", kill_on_drop: false }`
[INFO] [stdout] 79028a9a7943f575ff4356d35a2740ee7a2f14e2daca938a5a0ec40b2aebd750