[INFO] cloning repository https://github.com/jianingy/aircarbon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jianingy/aircarbon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjianingy%2Faircarbon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjianingy%2Faircarbon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7be931568c1bb46841f874215c9bafe095bfbfef
[INFO] checking jianingy/aircarbon against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjianingy%2Faircarbon" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jianingy/aircarbon on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jianingy/aircarbon
[INFO] finished tweaking git repo https://github.com/jianingy/aircarbon
[INFO] tweaked toml for git repo https://github.com/jianingy/aircarbon written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jianingy/aircarbon 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcc v0.3.43
[INFO] [stderr]   Downloaded error-chain v0.9.0
[INFO] [stderr]   Downloaded ioctl-rs v0.1.5
[INFO] [stderr]   Downloaded backtrace v0.3.0
[INFO] [stderr]   Downloaded clap v2.20.5
[INFO] [stderr]   Downloaded backtrace-sys v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9e3d16b37973be28bd0c48c6024e7edde753d491f2bb03b7666c9f85e897617
[INFO] running `Command { std: "docker" "start" "-a" "d9e3d16b37973be28bd0c48c6024e7edde753d491f2bb03b7666c9f85e897617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9e3d16b37973be28bd0c48c6024e7edde753d491f2bb03b7666c9f85e897617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e3d16b37973be28bd0c48c6024e7edde753d491f2bb03b7666c9f85e897617", kill_on_drop: false }`
[INFO] [stdout] d9e3d16b37973be28bd0c48c6024e7edde753d491f2bb03b7666c9f85e897617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d93bde25927acf2f353a0b8f6a4ce7559cfc0abf4bb47993563d899c85309e79
[INFO] running `Command { std: "docker" "start" "-a" "d93bde25927acf2f353a0b8f6a4ce7559cfc0abf4bb47993563d899c85309e79", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking ioctl-rs v0.1.5
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking serial v0.3.4
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking error-chain v0.9.0
[INFO] [stderr]     Checking aircarbon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |
[INFO] [stdout] 8  | |         OptionError(clap::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |
[INFO] [stdout] 8  | |         OptionError(clap::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |
[INFO] [stdout] 8  | |         OptionError(clap::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |
[INFO] [stdout] 8  | |         OptionError(clap::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d93bde25927acf2f353a0b8f6a4ce7559cfc0abf4bb47993563d899c85309e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93bde25927acf2f353a0b8f6a4ce7559cfc0abf4bb47993563d899c85309e79", kill_on_drop: false }`
[INFO] [stdout] d93bde25927acf2f353a0b8f6a4ce7559cfc0abf4bb47993563d899c85309e79
[INFO] checking jianingy/aircarbon against try#d856f2da3433420b7077c0dc7ee9441455bc1302 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjianingy%2Faircarbon" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jianingy/aircarbon on toolchain d856f2da3433420b7077c0dc7ee9441455bc1302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jianingy/aircarbon
[INFO] finished tweaking git repo https://github.com/jianingy/aircarbon
[INFO] tweaked toml for git repo https://github.com/jianingy/aircarbon written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jianingy/aircarbon 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" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c0fabc8380315d5aee5eb816dcc6ee2bbcac848c77432e9196c7cf00e237088
[INFO] running `Command { std: "docker" "start" "-a" "4c0fabc8380315d5aee5eb816dcc6ee2bbcac848c77432e9196c7cf00e237088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c0fabc8380315d5aee5eb816dcc6ee2bbcac848c77432e9196c7cf00e237088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0fabc8380315d5aee5eb816dcc6ee2bbcac848c77432e9196c7cf00e237088", kill_on_drop: false }`
[INFO] [stdout] 4c0fabc8380315d5aee5eb816dcc6ee2bbcac848c77432e9196c7cf00e237088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a82a118c093a0e39c49f92a6be19ed4ec05a90a8e34a2b72cbdf6f18bc8dff8
[INFO] running `Command { std: "docker" "start" "-a" "3a82a118c093a0e39c49f92a6be19ed4ec05a90a8e34a2b72cbdf6f18bc8dff8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-traits-0.1.36/src/lib.rs:212:54
[INFO] [stdout]     |
[INFO] [stdout] 212 |                             (true,  Ok(exp)) => base.powi(exp as i32),
[INFO] [stdout]     |                                                      ^^^^ multiple `powi` found
[INFO] [stdout] ...
[INFO] [stdout] 225 | float_trait_impl!(Num for f32 f64);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `f128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `f16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `f32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `f64`
[INFO] [stdout]     = note: this error originates in the macro `float_trait_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-traits-0.1.36/src/lib.rs:213:60
[INFO] [stdout]     |
[INFO] [stdout] 213 |                             (false, Ok(exp)) => 1.0 / base.powi(exp as i32),
[INFO] [stdout]     |                                                            ^^^^ multiple `powi` found
[INFO] [stdout] ...
[INFO] [stdout] 225 | float_trait_impl!(Num for f32 f64);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `f128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `f16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `f32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `f64`
[INFO] [stdout]     = note: this error originates in the macro `float_trait_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.5
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr] error: could not compile `num-traits` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3a82a118c093a0e39c49f92a6be19ed4ec05a90a8e34a2b72cbdf6f18bc8dff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a82a118c093a0e39c49f92a6be19ed4ec05a90a8e34a2b72cbdf6f18bc8dff8", kill_on_drop: false }`
[INFO] [stdout] 3a82a118c093a0e39c49f92a6be19ed4ec05a90a8e34a2b72cbdf6f18bc8dff8