[INFO] fetching crate rust-forth-interactive-compiler 0.1.7...
[INFO] checking rust-forth-interactive-compiler-0.1.7 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate rust-forth-interactive-compiler 0.1.7 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rust-forth-interactive-compiler 0.1.7 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-forth-interactive-compiler 0.1.7
[INFO] finished tweaking crates.io crate rust-forth-interactive-compiler 0.1.7
[INFO] tweaked toml for crates.io crate rust-forth-interactive-compiler 0.1.7 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate rust-forth-interactive-compiler 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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 unicode-width v0.1.6
[INFO] [stderr]   Downloaded bitflags v1.2.0
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded arrayref v0.3.5
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded rustyline v5.0.3
[INFO] [stderr]   Downloaded backtrace v0.3.38
[INFO] [stderr]   Downloaded backtrace-sys v0.1.31
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded cc v1.0.45
[INFO] [stderr]   Downloaded redox_users v0.3.1
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded blake2b_simd v0.5.8
[INFO] [stderr]   Downloaded rust-argon2 v0.5.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.4
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] [stderr]   Downloaded rust-simple-stack-processor v0.7.0
[INFO] [stderr]   Downloaded rust-forth-compiler v0.5.3
[INFO] [stderr]   Downloaded rust-forth-tokenizer v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4c750c8912af4ccc7be0ce30f27d5b028e6435ea5b2a38010205d364683227b
[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" "e4c750c8912af4ccc7be0ce30f27d5b028e6435ea5b2a38010205d364683227b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4c750c8912af4ccc7be0ce30f27d5b028e6435ea5b2a38010205d364683227b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c750c8912af4ccc7be0ce30f27d5b028e6435ea5b2a38010205d364683227b", kill_on_drop: false }`
[INFO] [stdout] e4c750c8912af4ccc7be0ce30f27d5b028e6435ea5b2a38010205d364683227b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01187d7b779484023b36d0b0562aa3cfa8810aa7223bed11b84ef2ebe6b1fddf
[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" "01187d7b779484023b36d0b0562aa3cfa8810aa7223bed11b84ef2ebe6b1fddf", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking rust-forth-tokenizer v0.2.0
[INFO] [stderr]     Checking rust-simple-stack-processor v0.7.0
[INFO] [stderr]     Checking rust-forth-compiler v0.5.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rustyline v5.0.3
[INFO] [stderr]     Checking rust-forth-interactive-compiler v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `Command { std: "docker" "inspect" "01187d7b779484023b36d0b0562aa3cfa8810aa7223bed11b84ef2ebe6b1fddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01187d7b779484023b36d0b0562aa3cfa8810aa7223bed11b84ef2ebe6b1fddf", kill_on_drop: false }`
[INFO] [stdout] 01187d7b779484023b36d0b0562aa3cfa8810aa7223bed11b84ef2ebe6b1fddf