[INFO] fetching crate proto-tower 0.1.6...
[INFO] testing proto-tower-0.1.6 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate proto-tower 0.1.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate proto-tower 0.1.6
[INFO] finished tweaking crates.io crate proto-tower 0.1.6
[INFO] tweaked toml for crates.io crate proto-tower 0.1.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proto-tower 0.1.6 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proto-tower 0.1.6 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] beb1e759dbc04edae1de0b9d00955020a57ae72db09e4ad6c2f8e547dd4dab35
[INFO] running `Command { std: "docker" "start" "-a" "beb1e759dbc04edae1de0b9d00955020a57ae72db09e4ad6c2f8e547dd4dab35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beb1e759dbc04edae1de0b9d00955020a57ae72db09e4ad6c2f8e547dd4dab35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb1e759dbc04edae1de0b9d00955020a57ae72db09e4ad6c2f8e547dd4dab35", kill_on_drop: false }`
[INFO] [stdout] beb1e759dbc04edae1de0b9d00955020a57ae72db09e4ad6c2f8e547dd4dab35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93f3504d727b554043f8e27ac07b72fd4f944114ef2f96a7b13e240a0b1885a8
[INFO] running `Command { std: "docker" "start" "-a" "93f3504d727b554043f8e27ac07b72fd4f944114ef2f96a7b13e240a0b1885a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proto-tower v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "93f3504d727b554043f8e27ac07b72fd4f944114ef2f96a7b13e240a0b1885a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f3504d727b554043f8e27ac07b72fd4f944114ef2f96a7b13e240a0b1885a8", kill_on_drop: false }`
[INFO] [stdout] 93f3504d727b554043f8e27ac07b72fd4f944114ef2f96a7b13e240a0b1885a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bc1090a3cc1ca77a0dc4e945a773eeaef6e48a5d59030158e0a0e756e283882
[INFO] running `Command { std: "docker" "start" "-a" "4bc1090a3cc1ca77a0dc4e945a773eeaef6e48a5d59030158e0a0e756e283882", kill_on_drop: false }`
[INFO] [stderr]    Compiling proto-tower v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "4bc1090a3cc1ca77a0dc4e945a773eeaef6e48a5d59030158e0a0e756e283882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc1090a3cc1ca77a0dc4e945a773eeaef6e48a5d59030158e0a0e756e283882", kill_on_drop: false }`
[INFO] [stdout] 4bc1090a3cc1ca77a0dc4e945a773eeaef6e48a5d59030158e0a0e756e283882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e3051c50820c7f903e52af194989e982d2105fb9f6de2a73fb9b509a4d94282
[INFO] running `Command { std: "docker" "start" "-a" "1e3051c50820c7f903e52af194989e982d2105fb9f6de2a73fb9b509a4d94282", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/proto_tower-74f21e76aabb2420)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests proto_tower
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e3051c50820c7f903e52af194989e982d2105fb9f6de2a73fb9b509a4d94282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3051c50820c7f903e52af194989e982d2105fb9f6de2a73fb9b509a4d94282", kill_on_drop: false }`
[INFO] [stdout] 1e3051c50820c7f903e52af194989e982d2105fb9f6de2a73fb9b509a4d94282