[INFO] fetching crate taskchampion 0.3.0...
[INFO] checking taskchampion-0.3.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate taskchampion 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate taskchampion 0.3.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taskchampion 0.3.0
[INFO] finished tweaking crates.io crate taskchampion 0.3.0
[INFO] tweaked toml for crates.io crate taskchampion 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea06b768b8ff2653818327de66867fddc881bcea436d49d300a4ad5ff410700f
[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" "ea06b768b8ff2653818327de66867fddc881bcea436d49d300a4ad5ff410700f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea06b768b8ff2653818327de66867fddc881bcea436d49d300a4ad5ff410700f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea06b768b8ff2653818327de66867fddc881bcea436d49d300a4ad5ff410700f", kill_on_drop: false }`
[INFO] [stdout] ea06b768b8ff2653818327de66867fddc881bcea436d49d300a4ad5ff410700f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3052f74ddcedab3eb6acac24d3d1603ae609bd1a5bf22e9fb914914616184c7f
[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" "3052f74ddcedab3eb6acac24d3d1603ae609bd1a5bf22e9fb914914616184c7f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling tindercrypt v0.2.2
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.9.6
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking lmdb-rkv v0.12.3
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking kv v0.10.0
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking ureq v1.5.4
[INFO] [stderr]     Checking taskchampion v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "3052f74ddcedab3eb6acac24d3d1603ae609bd1a5bf22e9fb914914616184c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3052f74ddcedab3eb6acac24d3d1603ae609bd1a5bf22e9fb914914616184c7f", kill_on_drop: false }`
[INFO] [stdout] 3052f74ddcedab3eb6acac24d3d1603ae609bd1a5bf22e9fb914914616184c7f