[INFO] fetching crate post 0.0.1-alpha.1...
[INFO] checking post-0.0.1-alpha.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate post 0.0.1-alpha.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate post 0.0.1-alpha.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate post 0.0.1-alpha.1
[INFO] finished tweaking crates.io crate post 0.0.1-alpha.1
[INFO] tweaked toml for crates.io crate post 0.0.1-alpha.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate post 0.0.1-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c03992ed3297a94bbaf2639e931e62b9fb0d1793652793c85d6514fd6305e542
[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" "c03992ed3297a94bbaf2639e931e62b9fb0d1793652793c85d6514fd6305e542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c03992ed3297a94bbaf2639e931e62b9fb0d1793652793c85d6514fd6305e542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03992ed3297a94bbaf2639e931e62b9fb0d1793652793c85d6514fd6305e542", kill_on_drop: false }`
[INFO] [stdout] c03992ed3297a94bbaf2639e931e62b9fb0d1793652793c85d6514fd6305e542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f1bed6c6b61739fbbcf08211102f8c07998e8675daedb108dd07f442d95e1d30
[INFO] running `Command { std: "docker" "start" "-a" "f1bed6c6b61739fbbcf08211102f8c07998e8675daedb108dd07f442d95e1d30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]    Compiling tonic-build v0.3.1
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]    Compiling post v0.0.1-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr] error: failed to run custom build command for `post v0.0.1-alpha.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/post-6285a83e717a0c83/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f'
[INFO] [stderr]   note: this is a custom toolchain, which cannot use `rustup component add`
[INFO] [stderr]   help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f1bed6c6b61739fbbcf08211102f8c07998e8675daedb108dd07f442d95e1d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1bed6c6b61739fbbcf08211102f8c07998e8675daedb108dd07f442d95e1d30", kill_on_drop: false }`
[INFO] [stdout] f1bed6c6b61739fbbcf08211102f8c07998e8675daedb108dd07f442d95e1d30