[INFO] fetching crate ivm 0.1.3...
[INFO] checking ivm-0.1.3 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate ivm 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ivm 0.1.3 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ivm 0.1.3
[INFO] finished tweaking crates.io crate ivm 0.1.3
[INFO] tweaked toml for crates.io crate ivm 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ivm 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs-next v1.0.1
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.0
[INFO] [stderr]   Downloaded ureq v1.5.0
[INFO] [stderr]   Downloaded libc v0.2.78
[INFO] [stderr]   Downloaded time v0.2.22
[INFO] [stderr]   Downloaded chunked_transfer v1.2.0
[INFO] [stderr]   Downloaded dircpy v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", 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] b150cf328839600f440508bd7fa965908d8218bddc66a4ab4f4ecb046b9efb4b
[INFO] running `Command { std: "docker" "start" "-a" "b150cf328839600f440508bd7fa965908d8218bddc66a4ab4f4ecb046b9efb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b150cf328839600f440508bd7fa965908d8218bddc66a4ab4f4ecb046b9efb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b150cf328839600f440508bd7fa965908d8218bddc66a4ab4f4ecb046b9efb4b", kill_on_drop: false }`
[INFO] [stdout] b150cf328839600f440508bd7fa965908d8218bddc66a4ab4f4ecb046b9efb4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0f964c216d89fec204813bfedbf4e8a9df706d1896359cce700c0e01e67a167
[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" "b0f964c216d89fec204813bfedbf4e8a9df706d1896359cce700c0e01e67a167", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking dircpy v0.3.4
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking ureq v1.5.0
[INFO] [stderr]     Checking ivm v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.07s
[INFO] running `Command { std: "docker" "inspect" "b0f964c216d89fec204813bfedbf4e8a9df706d1896359cce700c0e01e67a167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f964c216d89fec204813bfedbf4e8a9df706d1896359cce700c0e01e67a167", kill_on_drop: false }`
[INFO] [stdout] b0f964c216d89fec204813bfedbf4e8a9df706d1896359cce700c0e01e67a167