[INFO] fetching crate cargo-skyline 1.16.0...
[INFO] checking cargo-skyline-1.16.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate cargo-skyline 1.16.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-skyline 1.16.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-skyline 1.16.0
[INFO] finished tweaking crates.io crate cargo-skyline 1.16.0
[INFO] tweaked toml for crates.io crate cargo-skyline 1.16.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo-skyline 1.16.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elf v0.0.10
[INFO] [stderr]   Downloaded blz-nx v1.0.1
[INFO] [stderr]   Downloaded block-modes v0.2.0
[INFO] [stderr]   Downloaded linkle v0.2.10
[INFO] [stderr]   Downloaded owo-colors v1.0.3
[INFO] [stderr]   Downloaded attohttpc v0.13.0
[INFO] [stderr]   Downloaded bit_field v0.10.0
[INFO] [stderr]   Downloaded lz4 v1.23.1
[INFO] [stderr]   Downloaded lz4-sys v1.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e54646c0200a448351f50932744c937eece942f13997fff77d3e9889c8d341de
[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" "e54646c0200a448351f50932744c937eece942f13997fff77d3e9889c8d341de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e54646c0200a448351f50932744c937eece942f13997fff77d3e9889c8d341de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54646c0200a448351f50932744c937eece942f13997fff77d3e9889c8d341de", kill_on_drop: false }`
[INFO] [stdout] e54646c0200a448351f50932744c937eece942f13997fff77d3e9889c8d341de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b3875e25dd6a850f54e63fff7c99d205cacd76563b4e079f2845a7f59f96441
[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" "0b3875e25dd6a850f54e63fff7c99d205cacd76563b4e079f2845a7f59f96441", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking bit_field v0.10.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking owo-colors v1.0.3
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking blz-nx v1.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking dbl v0.2.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.2.0
[INFO] [stderr]     Checking cmac v0.2.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking attohttpc v0.13.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]     Checking structopt v0.3.13
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]     Checking linkle v0.2.10
[INFO] [stderr]     Checking cargo-skyline v1.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 19s
[INFO] running `Command { std: "docker" "inspect" "0b3875e25dd6a850f54e63fff7c99d205cacd76563b4e079f2845a7f59f96441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b3875e25dd6a850f54e63fff7c99d205cacd76563b4e079f2845a7f59f96441", kill_on_drop: false }`
[INFO] [stdout] 0b3875e25dd6a850f54e63fff7c99d205cacd76563b4e079f2845a7f59f96441