[INFO] crate silver 1.1.0 is already in cache
[INFO] checking silver-1.1.0 against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] extracting crate silver 1.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate silver 1.1.0 on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate silver 1.1.0
[INFO] finished tweaking crates.io crate silver 1.1.0
[INFO] tweaked toml for crates.io crate silver 1.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate silver 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7cbd26f6f559229862202ff2b095e1914e798b6183a2ac985b371ca8d8ff41de
[INFO] running `"docker" "start" "-a" "7cbd26f6f559229862202ff2b095e1914e798b6183a2ac985b371ca8d8ff41de"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking git2 v0.9.2
[INFO] [stderr]     Checking silver v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `"docker" "inspect" "7cbd26f6f559229862202ff2b095e1914e798b6183a2ac985b371ca8d8ff41de"`
[INFO] running `"docker" "rm" "-f" "7cbd26f6f559229862202ff2b095e1914e798b6183a2ac985b371ca8d8ff41de"`
[INFO] [stdout] 7cbd26f6f559229862202ff2b095e1914e798b6183a2ac985b371ca8d8ff41de