[INFO] fetching crate snafu-tracing 0.8.3...
[INFO] building snafu-tracing-0.8.3 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate snafu-tracing 0.8.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate snafu-tracing 0.8.3
[INFO] finished tweaking crates.io crate snafu-tracing 0.8.3
[INFO] tweaked toml for crates.io crate snafu-tracing 0.8.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snafu-tracing 0.8.3 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snafu-tracing 0.8.3 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6144dacd9bb79a25a75932abb61f7bf61459b7a32052351de07781951d4bb299
[INFO] running `Command { std: "docker" "start" "-a" "6144dacd9bb79a25a75932abb61f7bf61459b7a32052351de07781951d4bb299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6144dacd9bb79a25a75932abb61f7bf61459b7a32052351de07781951d4bb299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6144dacd9bb79a25a75932abb61f7bf61459b7a32052351de07781951d4bb299", kill_on_drop: false }`
[INFO] [stdout] 6144dacd9bb79a25a75932abb61f7bf61459b7a32052351de07781951d4bb299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deff677b752eda7bc0cf68edf04879ccf4ba5ec436c7e1b7b71a82762b88ff2c
[INFO] running `Command { std: "docker" "start" "-a" "deff677b752eda7bc0cf68edf04879ccf4ba5ec436c7e1b7b71a82762b88ff2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling snafu-derive v0.8.5
[INFO] [stderr]    Compiling snafu-tracing-macro v0.8.0
[INFO] [stderr]    Compiling snafu v0.8.5
[INFO] [stderr]    Compiling snafu-tracing v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "deff677b752eda7bc0cf68edf04879ccf4ba5ec436c7e1b7b71a82762b88ff2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deff677b752eda7bc0cf68edf04879ccf4ba5ec436c7e1b7b71a82762b88ff2c", kill_on_drop: false }`
[INFO] [stdout] deff677b752eda7bc0cf68edf04879ccf4ba5ec436c7e1b7b71a82762b88ff2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ac6d382d2082a9d44b19c9524c832881fadd85cd42f5cd48855b64336d24e75
[INFO] running `Command { std: "docker" "start" "-a" "5ac6d382d2082a9d44b19c9524c832881fadd85cd42f5cd48855b64336d24e75", kill_on_drop: false }`
[INFO] [stderr]    Compiling snafu-tracing v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "5ac6d382d2082a9d44b19c9524c832881fadd85cd42f5cd48855b64336d24e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac6d382d2082a9d44b19c9524c832881fadd85cd42f5cd48855b64336d24e75", kill_on_drop: false }`
[INFO] [stdout] 5ac6d382d2082a9d44b19c9524c832881fadd85cd42f5cd48855b64336d24e75
