[INFO] fetching crate qr_code 1.1.0...
[INFO] building qr_code-1.1.0 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate qr_code 1.1.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate qr_code 1.1.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qr_code 1.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate qr_code 1.1.0
[INFO] tweaked toml for crates.io crate qr_code 1.1.0 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate qr_code 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f640d6c6922bf6feb64cb85417b42309363045e3d4e5d5c4b42202204a94a28
[INFO] running `Command { std: "docker" "start" "-a" "4f640d6c6922bf6feb64cb85417b42309363045e3d4e5d5c4b42202204a94a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f640d6c6922bf6feb64cb85417b42309363045e3d4e5d5c4b42202204a94a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f640d6c6922bf6feb64cb85417b42309363045e3d4e5d5c4b42202204a94a28", kill_on_drop: false }`
[INFO] [stdout] 4f640d6c6922bf6feb64cb85417b42309363045e3d4e5d5c4b42202204a94a28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59ad34c53e8b90ed6b6e8440f561389815c7ab7f4ec4e6d6fcc82a8f3bc6036f
[INFO] running `Command { std: "docker" "start" "-a" "59ad34c53e8b90ed6b6e8440f561389815c7ab7f4ec4e6d6fcc82a8f3bc6036f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling qr_code v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "59ad34c53e8b90ed6b6e8440f561389815c7ab7f4ec4e6d6fcc82a8f3bc6036f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ad34c53e8b90ed6b6e8440f561389815c7ab7f4ec4e6d6fcc82a8f3bc6036f", kill_on_drop: false }`
[INFO] [stdout] 59ad34c53e8b90ed6b6e8440f561389815c7ab7f4ec4e6d6fcc82a8f3bc6036f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7a02a3293ab3d0c3d53ce53a52ba413dbc11428ca70879063efe6503bdbdd52
[INFO] running `Command { std: "docker" "start" "-a" "b7a02a3293ab3d0c3d53ce53a52ba413dbc11428ca70879063efe6503bdbdd52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling qr_code v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.05s
[INFO] running `Command { std: "docker" "inspect" "b7a02a3293ab3d0c3d53ce53a52ba413dbc11428ca70879063efe6503bdbdd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a02a3293ab3d0c3d53ce53a52ba413dbc11428ca70879063efe6503bdbdd52", kill_on_drop: false }`
[INFO] [stdout] b7a02a3293ab3d0c3d53ce53a52ba413dbc11428ca70879063efe6503bdbdd52