[INFO] fetching crate ssb-box-stream 0.2.0...
[INFO] testing ssb-box-stream-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate ssb-box-stream 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ssb-box-stream 0.2.0
[INFO] finished tweaking crates.io crate ssb-box-stream 0.2.0
[INFO] tweaked toml for crates.io crate ssb-box-stream 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssb-box-stream 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ssb-box-stream 0.2.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d76b152c7bd7c6d71d9c08533707a8cb78bb6a7dbd9da2f6c1b560218128a307
[INFO] running `Command { std: "docker" "start" "-a" "d76b152c7bd7c6d71d9c08533707a8cb78bb6a7dbd9da2f6c1b560218128a307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d76b152c7bd7c6d71d9c08533707a8cb78bb6a7dbd9da2f6c1b560218128a307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76b152c7bd7c6d71d9c08533707a8cb78bb6a7dbd9da2f6c1b560218128a307", kill_on_drop: false }`
[INFO] [stdout] d76b152c7bd7c6d71d9c08533707a8cb78bb6a7dbd9da2f6c1b560218128a307
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bc45abf97318db530de120eb3e6b2a88d3c0d07c6b1dd95e5d20ae75fea5d35
[INFO] running `Command { std: "docker" "start" "-a" "4bc45abf97318db530de120eb3e6b2a88d3c0d07c6b1dd95e5d20ae75fea5d35", kill_on_drop: false }`
[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]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stdout] error: Current directory is invalid: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4bc45abf97318db530de120eb3e6b2a88d3c0d07c6b1dd95e5d20ae75fea5d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc45abf97318db530de120eb3e6b2a88d3c0d07c6b1dd95e5d20ae75fea5d35", kill_on_drop: false }`
[INFO] [stdout] 4bc45abf97318db530de120eb3e6b2a88d3c0d07c6b1dd95e5d20ae75fea5d35