[INFO] fetching crate fn-error-context 0.2.0...
[INFO] building fn-error-context-0.2.0 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate fn-error-context 0.2.0 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate fn-error-context 0.2.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fn-error-context 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fn-error-context 0.2.0
[INFO] tweaked toml for crates.io crate fn-error-context 0.2.0 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate crates.io crate fn-error-context 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d33d920cbeeced808423f3db8600a98709457795f5e6c046307e436e34d1edb6
[INFO] running `Command { std: "docker" "start" "-a" "d33d920cbeeced808423f3db8600a98709457795f5e6c046307e436e34d1edb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d33d920cbeeced808423f3db8600a98709457795f5e6c046307e436e34d1edb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33d920cbeeced808423f3db8600a98709457795f5e6c046307e436e34d1edb6", kill_on_drop: false }`
[INFO] [stdout] d33d920cbeeced808423f3db8600a98709457795f5e6c046307e436e34d1edb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd903d09fc60f07aa7da1d187513cb7e806d0c9e7a56ffe4ee45c38e07cda061
[INFO] running `Command { std: "docker" "start" "-a" "bd903d09fc60f07aa7da1d187513cb7e806d0c9e7a56ffe4ee45c38e07cda061", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling fn-error-context v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.15s
[INFO] running `Command { std: "docker" "inspect" "bd903d09fc60f07aa7da1d187513cb7e806d0c9e7a56ffe4ee45c38e07cda061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd903d09fc60f07aa7da1d187513cb7e806d0c9e7a56ffe4ee45c38e07cda061", kill_on_drop: false }`
[INFO] [stdout] bd903d09fc60f07aa7da1d187513cb7e806d0c9e7a56ffe4ee45c38e07cda061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 310bc03ea9664f78aecbe09b8d87cbdf4e450cd81621904d36f8ceea793d9354
[INFO] running `Command { std: "docker" "start" "-a" "310bc03ea9664f78aecbe09b8d87cbdf4e450cd81621904d36f8ceea793d9354", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.57
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling version-sync v0.9.2
[INFO] [stderr]    Compiling fn-error-context v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.23s
[INFO] running `Command { std: "docker" "inspect" "310bc03ea9664f78aecbe09b8d87cbdf4e450cd81621904d36f8ceea793d9354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310bc03ea9664f78aecbe09b8d87cbdf4e450cd81621904d36f8ceea793d9354", kill_on_drop: false }`
[INFO] [stdout] 310bc03ea9664f78aecbe09b8d87cbdf4e450cd81621904d36f8ceea793d9354