[INFO] fetching crate rusteval 0.1.0...
[INFO] checking rusteval-0.1.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate rusteval 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rusteval 0.1.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusteval 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rusteval 0.1.0
[INFO] tweaked toml for crates.io crate rusteval 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rusteval 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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 ctor v0.1.16
[INFO] [stderr]   Downloaded inventory-impl v0.1.9
[INFO] [stderr]   Downloaded inventory v0.1.9
[INFO] [stderr]   Downloaded rustyline v6.3.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.22
[INFO] [stderr]   Downloaded core-error v0.0.1-rc4
[INFO] [stderr]   Downloaded rusteval-derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e5e2bde02fb34423519d9d8b8f59d895fc0f937e2b4598e871d79a2b9f3f643
[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" "2e5e2bde02fb34423519d9d8b8f59d895fc0f937e2b4598e871d79a2b9f3f643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e5e2bde02fb34423519d9d8b8f59d895fc0f937e2b4598e871d79a2b9f3f643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5e2bde02fb34423519d9d8b8f59d895fc0f937e2b4598e871d79a2b9f3f643", kill_on_drop: false }`
[INFO] [stdout] 2e5e2bde02fb34423519d9d8b8f59d895fc0f937e2b4598e871d79a2b9f3f643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63800cec537c146254de1266ccd8179aa5b215cf69f46605e9cb49f21747e742
[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" "63800cec537c146254de1266ccd8179aa5b215cf69f46605e9cb49f21747e742", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.22
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling core-error v0.0.1-rc4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rustyline v6.3.0
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling rusteval-derive v0.1.0
[INFO] [stderr]    Compiling rustyline-derive v0.3.1
[INFO] [stderr]     Checking rusteval v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.23s
[INFO] running `Command { std: "docker" "inspect" "63800cec537c146254de1266ccd8179aa5b215cf69f46605e9cb49f21747e742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63800cec537c146254de1266ccd8179aa5b215cf69f46605e9cb49f21747e742", kill_on_drop: false }`
[INFO] [stdout] 63800cec537c146254de1266ccd8179aa5b215cf69f46605e9cb49f21747e742