[INFO] fetching crate zinc 0.0.2...
[INFO] testing zinc-0.0.2 against master#9e297bf54d31eb3b30067208ff9af4416945a2ed for pr-125507
[INFO] extracting crate zinc 0.0.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate zinc 0.0.2 on toolchain 9e297bf54d31eb3b30067208ff9af4416945a2ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zinc 0.0.2
[INFO] finished tweaking crates.io crate zinc 0.0.2
[INFO] tweaked toml for crates.io crate zinc 0.0.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate zinc 0.0.2 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" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3d370e087256eef60b9f995396e31de966b5da3c6fb61e555c6ef8fe776c218
[INFO] running `Command { std: "docker" "start" "-a" "a3d370e087256eef60b9f995396e31de966b5da3c6fb61e555c6ef8fe776c218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3d370e087256eef60b9f995396e31de966b5da3c6fb61e555c6ef8fe776c218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3d370e087256eef60b9f995396e31de966b5da3c6fb61e555c6ef8fe776c218", kill_on_drop: false }`
[INFO] [stdout] a3d370e087256eef60b9f995396e31de966b5da3c6fb61e555c6ef8fe776c218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adb65634758e84bfb1abca2d5d79524615c35624dfd5ae8389e09b2bf4694ef9
[INFO] running `Command { std: "docker" "start" "-a" "adb65634758e84bfb1abca2d5d79524615c35624dfd5ae8389e09b2bf4694ef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling zinc v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "adb65634758e84bfb1abca2d5d79524615c35624dfd5ae8389e09b2bf4694ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb65634758e84bfb1abca2d5d79524615c35624dfd5ae8389e09b2bf4694ef9", kill_on_drop: false }`
[INFO] [stdout] adb65634758e84bfb1abca2d5d79524615c35624dfd5ae8389e09b2bf4694ef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdec9ab025cae814cbabf47ffc1982100c30e1bb6e7433fcffa7c9d53b4ff41c
[INFO] running `Command { std: "docker" "start" "-a" "cdec9ab025cae814cbabf47ffc1982100c30e1bb6e7433fcffa7c9d53b4ff41c", kill_on_drop: false }`
[INFO] [stderr]    Compiling zinc v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "cdec9ab025cae814cbabf47ffc1982100c30e1bb6e7433fcffa7c9d53b4ff41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdec9ab025cae814cbabf47ffc1982100c30e1bb6e7433fcffa7c9d53b4ff41c", kill_on_drop: false }`
[INFO] [stdout] cdec9ab025cae814cbabf47ffc1982100c30e1bb6e7433fcffa7c9d53b4ff41c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c619f9adc341a5826ed7c32d4dd26a1aefafd4ed8d232d9797e49016c1c4998
[INFO] running `Command { std: "docker" "start" "-a" "8c619f9adc341a5826ed7c32d4dd26a1aefafd4ed8d232d9797e49016c1c4998", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/zinc-ca8f3b07a041e7b2)
[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" "8c619f9adc341a5826ed7c32d4dd26a1aefafd4ed8d232d9797e49016c1c4998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c619f9adc341a5826ed7c32d4dd26a1aefafd4ed8d232d9797e49016c1c4998", kill_on_drop: false }`
[INFO] [stdout] 8c619f9adc341a5826ed7c32d4dd26a1aefafd4ed8d232d9797e49016c1c4998
[ERROR] this task or one of its parent failed!
[ERROR] error sending request for url (https://crater.rust-lang.org/agent-api/record-progress): connection closed before message completed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing zinc-0.0.2 against try#61a9ac64344e91d62f5496627ff363d177f9daab for pr-125507
[INFO] extracting crate zinc 0.0.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate zinc 0.0.2 on toolchain 61a9ac64344e91d62f5496627ff363d177f9daab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zinc 0.0.2
[INFO] finished tweaking crates.io crate zinc 0.0.2
[INFO] tweaked toml for crates.io crate zinc 0.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate zinc 0.0.2 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" "+61a9ac64344e91d62f5496627ff363d177f9daab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45efdea791196bace7533b7650b122434663e498c2c6ec5bc9902166388c4856
[INFO] running `Command { std: "docker" "start" "-a" "45efdea791196bace7533b7650b122434663e498c2c6ec5bc9902166388c4856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45efdea791196bace7533b7650b122434663e498c2c6ec5bc9902166388c4856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45efdea791196bace7533b7650b122434663e498c2c6ec5bc9902166388c4856", kill_on_drop: false }`
[INFO] [stdout] 45efdea791196bace7533b7650b122434663e498c2c6ec5bc9902166388c4856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cff9287852346cc24d6c6d220d4e23b2fb74a2e3ba3daa02cb58a022f31606f1
[INFO] running `Command { std: "docker" "start" "-a" "cff9287852346cc24d6c6d220d4e23b2fb74a2e3ba3daa02cb58a022f31606f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling zinc v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "cff9287852346cc24d6c6d220d4e23b2fb74a2e3ba3daa02cb58a022f31606f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff9287852346cc24d6c6d220d4e23b2fb74a2e3ba3daa02cb58a022f31606f1", kill_on_drop: false }`
[INFO] [stdout] cff9287852346cc24d6c6d220d4e23b2fb74a2e3ba3daa02cb58a022f31606f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a3d969b04c6fdf7b316103dd3dc0f4b119748ef758cada09c3355c9fba4b0ee
[INFO] running `Command { std: "docker" "start" "-a" "2a3d969b04c6fdf7b316103dd3dc0f4b119748ef758cada09c3355c9fba4b0ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling zinc v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "2a3d969b04c6fdf7b316103dd3dc0f4b119748ef758cada09c3355c9fba4b0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3d969b04c6fdf7b316103dd3dc0f4b119748ef758cada09c3355c9fba4b0ee", kill_on_drop: false }`
[INFO] [stdout] 2a3d969b04c6fdf7b316103dd3dc0f4b119748ef758cada09c3355c9fba4b0ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f7736fccecaed1ba8237a26162a7c62558b8f15c8e94837b1ff6fd7633fd131
[INFO] running `Command { std: "docker" "start" "-a" "2f7736fccecaed1ba8237a26162a7c62558b8f15c8e94837b1ff6fd7633fd131", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/zinc-ca8f3b07a041e7b2)
[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" "2f7736fccecaed1ba8237a26162a7c62558b8f15c8e94837b1ff6fd7633fd131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7736fccecaed1ba8237a26162a7c62558b8f15c8e94837b1ff6fd7633fd131", kill_on_drop: false }`
[INFO] [stdout] 2f7736fccecaed1ba8237a26162a7c62558b8f15c8e94837b1ff6fd7633fd131