[INFO] fetching crate rust-forth-interactive-compiler 0.1.7...
[INFO] checking rust-forth-interactive-compiler-0.1.7 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate rust-forth-interactive-compiler 0.1.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rust-forth-interactive-compiler 0.1.7 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-simple-stack-processor v0.7.0
[INFO] [stderr]   Downloaded rustyline v5.0.3
[INFO] [stderr]   Downloaded rust-forth-tokenizer v0.2.0
[INFO] [stderr]   Downloaded rust-forth-compiler v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1415f37abe2b6efa8dfa2197d0534c837f73620d17dab50066c9632c967ceb2b
[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" "1415f37abe2b6efa8dfa2197d0534c837f73620d17dab50066c9632c967ceb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1415f37abe2b6efa8dfa2197d0534c837f73620d17dab50066c9632c967ceb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1415f37abe2b6efa8dfa2197d0534c837f73620d17dab50066c9632c967ceb2b", kill_on_drop: false }`
[INFO] [stdout] 1415f37abe2b6efa8dfa2197d0534c837f73620d17dab50066c9632c967ceb2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5da8396d177d3f620defc3f4f0e72ff3b60c667929df392e7bf5915dff6cd3e5
[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" "5da8396d177d3f620defc3f4f0e72ff3b60c667929df392e7bf5915dff6cd3e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[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 10.23s
[INFO] running `Command { std: "docker" "inspect" "5da8396d177d3f620defc3f4f0e72ff3b60c667929df392e7bf5915dff6cd3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da8396d177d3f620defc3f4f0e72ff3b60c667929df392e7bf5915dff6cd3e5", kill_on_drop: false }`
[INFO] [stdout] 5da8396d177d3f620defc3f4f0e72ff3b60c667929df392e7bf5915dff6cd3e5