[INFO] fetching crate root-io 0.3.0...
[INFO] checking root-io-0.3.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate root-io 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate root-io 0.3.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate root-io 0.3.0
[INFO] finished tweaking crates.io crate root-io 0.3.0
[INFO] tweaked toml for crates.io crate root-io 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5229a69a4674930b9d357fd9fe8f44341853b2189b176fdd6bf056a0e676bc21
[INFO] running `Command { std: "docker" "start" "-a" "5229a69a4674930b9d357fd9fe8f44341853b2189b176fdd6bf056a0e676bc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5229a69a4674930b9d357fd9fe8f44341853b2189b176fdd6bf056a0e676bc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5229a69a4674930b9d357fd9fe8f44341853b2189b176fdd6bf056a0e676bc21", kill_on_drop: false }`
[INFO] [stdout] 5229a69a4674930b9d357fd9fe8f44341853b2189b176fdd6bf056a0e676bc21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58c1c665f18711c652bd33eba6358d2278bbffc7314c7eb32f08399803555dc9
[INFO] running `Command { std: "docker" "start" "-a" "58c1c665f18711c652bd33eba6358d2278bbffc7314c7eb32f08399803555dc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking half v1.8.0
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking lz4-compress v0.1.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking lzma-rs v0.1.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking openssl-sys v0.9.67
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking openssl v0.10.36
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking native-tls v0.2.8
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking alice-open-data v0.5.0
[INFO] [stderr]     Checking root-io v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/tree_reader/branch.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |                     Err(e) => panic!(format!("Parser failed unexpectedly {:?}", e)),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 130 -                     Err(e) => panic!(format!("Parser failed unexpectedly {:?}", e)),
[INFO] [stdout] 130 +                     Err(e) => panic!("Parser failed unexpectedly {:?}", e),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/tree_reader/branch.rs:158:46
[INFO] [stdout]     |
[INFO] [stdout] 158 | ...                   Err(e) => panic!(format!("Parser failed unexpectedly {:?}", e)),
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 158 -                             Err(e) => panic!(format!("Parser failed unexpectedly {:?}", e)),
[INFO] [stdout] 158 +                             Err(e) => panic!("Parser failed unexpectedly {:?}", e),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/tree_reader/branch.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |                     Err(e) => panic!(format!("Parser failed unexpectedly {:?}", e)),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 130 -                     Err(e) => panic!(format!("Parser failed unexpectedly {:?}", e)),
[INFO] [stdout] 130 +                     Err(e) => panic!("Parser failed unexpectedly {:?}", e),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/tree_reader/branch.rs:158:46
[INFO] [stdout]     |
[INFO] [stdout] 158 | ...                   Err(e) => panic!(format!("Parser failed unexpectedly {:?}", e)),
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 158 -                             Err(e) => panic!(format!("Parser failed unexpectedly {:?}", e)),
[INFO] [stdout] 158 +                             Err(e) => panic!("Parser failed unexpectedly {:?}", e),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> benches/iter_branch.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let rt = Runtime::new().unwrap();
[INFO] [stdout]    |         -- help: consider changing this to be mutable: `mut rt`
[INFO] [stdout] 32 |     rt.block_on(fut);
[INFO] [stdout]    |     ^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> benches/iter_branch.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let rt = Runtime::new().unwrap();
[INFO] [stdout]    |         -- help: consider changing this to be mutable: `mut rt`
[INFO] [stdout] 59 |     rt.block_on(fut);
[INFO] [stdout]    |     ^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `root-io` due to 3 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "58c1c665f18711c652bd33eba6358d2278bbffc7314c7eb32f08399803555dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58c1c665f18711c652bd33eba6358d2278bbffc7314c7eb32f08399803555dc9", kill_on_drop: false }`
[INFO] [stdout] 58c1c665f18711c652bd33eba6358d2278bbffc7314c7eb32f08399803555dc9
