[INFO] fetching crate assembly 0.7.0-beta.0...
[INFO] checking assembly-0.7.0-beta.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate assembly 0.7.0-beta.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate assembly 0.7.0-beta.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assembly 0.7.0-beta.0
[INFO] finished tweaking crates.io crate assembly 0.7.0-beta.0
[INFO] tweaked toml for crates.io crate assembly 0.7.0-beta.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assembly-pack v0.2.0-beta.0
[INFO] [stderr]   Downloaded assembly-maps v0.2.0
[INFO] [stderr]   Downloaded assembly-data v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6323ea98e6c6fdc667e43653f4eef28013f25a5ec0ba9ceaa421bf83a1afeb28
[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" "6323ea98e6c6fdc667e43653f4eef28013f25a5ec0ba9ceaa421bf83a1afeb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6323ea98e6c6fdc667e43653f4eef28013f25a5ec0ba9ceaa421bf83a1afeb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6323ea98e6c6fdc667e43653f4eef28013f25a5ec0ba9ceaa421bf83a1afeb28", kill_on_drop: false }`
[INFO] [stdout] 6323ea98e6c6fdc667e43653f4eef28013f25a5ec0ba9ceaa421bf83a1afeb28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 15dc69e1fcc53950a3e3ad755943ec9adda635cb236b992bb05877818cae6dc0
[INFO] running `Command { std: "docker" "start" "-a" "15dc69e1fcc53950a3e3ad755943ec9adda635cb236b992bb05877818cae6dc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking hsieh-hash v0.1.1
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking memchr v2.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling bytemuck_derive v1.0.1
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking assembly-core v0.2.0
[INFO] [stderr]     Checking assembly-data v0.2.1
[INFO] [stderr]     Checking assembly-pack v0.2.0-beta.0
[INFO] [stderr]     Checking assembly-maps v0.2.0
[INFO] [stderr]     Checking assembly v0.7.0-beta.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.83s
[INFO] running `Command { std: "docker" "inspect" "15dc69e1fcc53950a3e3ad755943ec9adda635cb236b992bb05877818cae6dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15dc69e1fcc53950a3e3ad755943ec9adda635cb236b992bb05877818cae6dc0", kill_on_drop: false }`
[INFO] [stdout] 15dc69e1fcc53950a3e3ad755943ec9adda635cb236b992bb05877818cae6dc0