[INFO] fetching crate cotp 0.1.5...
[INFO] checking cotp-0.1.5 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate cotp 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cotp 0.1.5 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cotp 0.1.5
[INFO] finished tweaking crates.io crate cotp 0.1.5
[INFO] tweaked toml for crates.io crate cotp 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cotp 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8712eda8e742e74332653e0921e54b9763799d954ba9059603a3d5ad6a074dc2
[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" "8712eda8e742e74332653e0921e54b9763799d954ba9059603a3d5ad6a074dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8712eda8e742e74332653e0921e54b9763799d954ba9059603a3d5ad6a074dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8712eda8e742e74332653e0921e54b9763799d954ba9059603a3d5ad6a074dc2", kill_on_drop: false }`
[INFO] [stdout] 8712eda8e742e74332653e0921e54b9763799d954ba9059603a3d5ad6a074dc2
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dde4d7a2cd759d4096e6c6094ac7e539f0a5f5bbb7d612093abb4aea77995df
[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" "9dde4d7a2cd759d4096e6c6094ac7e539f0a5f5bbb7d612093abb4aea77995df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling err-derive v0.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking rpassword v5.0.0
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking sodiumoxide v0.2.6
[INFO] [stderr]     Checking cotp v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 44s
[INFO] running `Command { std: "docker" "inspect" "9dde4d7a2cd759d4096e6c6094ac7e539f0a5f5bbb7d612093abb4aea77995df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dde4d7a2cd759d4096e6c6094ac7e539f0a5f5bbb7d612093abb4aea77995df", kill_on_drop: false }`
[INFO] [stdout] 9dde4d7a2cd759d4096e6c6094ac7e539f0a5f5bbb7d612093abb4aea77995df