[INFO] fetching crate xprec 0.2.2...
[INFO] checking xprec-0.2.2 against try#1c4199da70f816f2239f41c55168ff75a3663718 for 155501-infallible-never-no-reservation
[INFO] extracting crate xprec 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate xprec 0.2.2
[INFO] finished tweaking crates.io crate xprec 0.2.2
[INFO] tweaked toml for crates.io crate xprec 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xprec 0.2.2 on toolchain 1c4199da70f816f2239f41c55168ff75a3663718
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xprec 0.2.2 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" "+1c4199da70f816f2239f41c55168ff75a3663718" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.28.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b2a1f73468c7b0d00ab90eab0d8a3e25fe06c66bddaaf6b3d84efb24c1a7d98
[INFO] running `Command { std: "docker" "start" "-a" "8b2a1f73468c7b0d00ab90eab0d8a3e25fe06c66bddaaf6b3d84efb24c1a7d98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b2a1f73468c7b0d00ab90eab0d8a3e25fe06c66bddaaf6b3d84efb24c1a7d98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2a1f73468c7b0d00ab90eab0d8a3e25fe06c66bddaaf6b3d84efb24c1a7d98", kill_on_drop: false }`
[INFO] [stdout] 8b2a1f73468c7b0d00ab90eab0d8a3e25fe06c66bddaaf6b3d84efb24c1a7d98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67d8c655190a7fcbc6febf87169a42ed92d9a4b4302aa2a48dde61dbd9e9b6bd
[INFO] running `Command { std: "docker" "start" "-a" "67d8c655190a7fcbc6febf87169a42ed92d9a4b4302aa2a48dde61dbd9e9b6bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking simba v0.9.1
[INFO] [stderr]     Checking xprec v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 52s
[INFO] running `Command { std: "docker" "inspect" "67d8c655190a7fcbc6febf87169a42ed92d9a4b4302aa2a48dde61dbd9e9b6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d8c655190a7fcbc6febf87169a42ed92d9a4b4302aa2a48dde61dbd9e9b6bd", kill_on_drop: false }`
[INFO] [stdout] 67d8c655190a7fcbc6febf87169a42ed92d9a4b4302aa2a48dde61dbd9e9b6bd