[INFO] cloning repository https://github.com/marshallpierce/base64-serde
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marshallpierce/base64-serde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarshallpierce%2Fbase64-serde", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarshallpierce%2Fbase64-serde'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f28e6ed4234e6f3b71fbc0cbd1741faa2894d7f
[INFO] building marshallpierce/base64-serde against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarshallpierce%2Fbase64-serde" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marshallpierce/base64-serde on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marshallpierce/base64-serde
[INFO] finished tweaking git repo https://github.com/marshallpierce/base64-serde
[INFO] tweaked toml for git repo https://github.com/marshallpierce/base64-serde written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marshallpierce/base64-serde already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.37
[INFO] [stderr]   Downloaded unicode-ident v1.0.13
[INFO] [stderr]   Downloaded ryu v1.0.18
[INFO] [stderr]   Downloaded serde_json v1.0.128
[INFO] [stderr]   Downloaded proc-macro2 v1.0.86
[INFO] [stderr]   Downloaded base64 v0.22.1
[INFO] [stderr]   Downloaded serde v1.0.210
[INFO] [stderr]   Downloaded memchr v2.7.4
[INFO] [stderr]   Downloaded syn v2.0.79
[INFO] [stderr]   Downloaded serde_derive v1.0.210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f21f386a7fd83e7537e5971c3b4d5b0d034879b8839623eb7488cb9e36b26714
[INFO] running `Command { std: "docker" "start" "-a" "f21f386a7fd83e7537e5971c3b4d5b0d034879b8839623eb7488cb9e36b26714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f21f386a7fd83e7537e5971c3b4d5b0d034879b8839623eb7488cb9e36b26714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21f386a7fd83e7537e5971c3b4d5b0d034879b8839623eb7488cb9e36b26714", kill_on_drop: false }`
[INFO] [stdout] f21f386a7fd83e7537e5971c3b4d5b0d034879b8839623eb7488cb9e36b26714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cec71cf49ba494f99716986abcea2715b3013a4c03331aa2ee984af9b71f656a
[INFO] running `Command { std: "docker" "start" "-a" "cec71cf49ba494f99716986abcea2715b3013a4c03331aa2ee984af9b71f656a", kill_on_drop: false }`
[INFO] [stderr]    Compiling base64-serde v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "cec71cf49ba494f99716986abcea2715b3013a4c03331aa2ee984af9b71f656a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec71cf49ba494f99716986abcea2715b3013a4c03331aa2ee984af9b71f656a", kill_on_drop: false }`
[INFO] [stdout] cec71cf49ba494f99716986abcea2715b3013a4c03331aa2ee984af9b71f656a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff259c2b77a4c67664f54bd5528d1a35d496a56ad0eef1e2da7636022ecfb2a
[INFO] running `Command { std: "docker" "start" "-a" "fff259c2b77a4c67664f54bd5528d1a35d496a56ad0eef1e2da7636022ecfb2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling base64-serde v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.14s
[INFO] running `Command { std: "docker" "inspect" "fff259c2b77a4c67664f54bd5528d1a35d496a56ad0eef1e2da7636022ecfb2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff259c2b77a4c67664f54bd5528d1a35d496a56ad0eef1e2da7636022ecfb2a", kill_on_drop: false }`
[INFO] [stdout] fff259c2b77a4c67664f54bd5528d1a35d496a56ad0eef1e2da7636022ecfb2a