[INFO] fetching crate tectonic 0.12.0...
[INFO] checking tectonic-0.12.0 against try#5544613b027fde133f28359e75dec57e222e7ee4 for pr-111623
[INFO] extracting crate tectonic 0.12.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate tectonic 0.12.0 on toolchain 5544613b027fde133f28359e75dec57e222e7ee4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5544613b027fde133f28359e75dec57e222e7ee4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tectonic 0.12.0
[INFO] finished tweaking crates.io crate tectonic 0.12.0
[INFO] tweaked toml for crates.io crate tectonic 0.12.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate tectonic 0.12.0 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" "+5544613b027fde133f28359e75dec57e222e7ee4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+5544613b027fde133f28359e75dec57e222e7ee4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 680ff87a3839fd68658d27cc2873b5b077e677ca8cb4de506dd4ff196882ac28
[INFO] running `Command { std: "docker" "start" "-a" "680ff87a3839fd68658d27cc2873b5b077e677ca8cb4de506dd4ff196882ac28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "680ff87a3839fd68658d27cc2873b5b077e677ca8cb4de506dd4ff196882ac28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "680ff87a3839fd68658d27cc2873b5b077e677ca8cb4de506dd4ff196882ac28", kill_on_drop: false }`
[INFO] [stdout] 680ff87a3839fd68658d27cc2873b5b077e677ca8cb4de506dd4ff196882ac28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+5544613b027fde133f28359e75dec57e222e7ee4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ddb39978f93956a5fb401f8f52a31e749baec0b770e61e5bdecb27a0083113c
[INFO] running `Command { std: "docker" "start" "-a" "5ddb39978f93956a5fb401f8f52a31e749baec0b770e61e5bdecb27a0083113c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling tectonic_bridge_core v0.3.1
[INFO] [stderr]    Compiling tectonic_cfg_support v0.1.4
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling tectonic_dep_support v0.1.0
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling tectonic_bridge_flate v0.1.6
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]     Checking tectonic_errors v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.76
[INFO] [stderr]     Checking tectonic_status_base v0.2.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling tectonic_bridge_icu v0.2.0
[INFO] [stderr]    Compiling tectonic_bridge_graphite2 v0.2.1
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]    Compiling tectonic_bridge_freetype2 v0.2.0
[INFO] [stderr]    Compiling tectonic_bridge_harfbuzz v0.2.7
[INFO] [stderr]    Compiling tectonic_pdf_io v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling phf v0.11.1
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling tectonic_xetex_layout v0.2.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking app_dirs2 v2.5.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking iana-time-zone v0.1.50
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling phf_codegen v0.11.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling tectonic_engine_xetex v0.4.1
[INFO] [stderr]    Compiling tectonic_engine_bibtex v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling tectonic_engine_xdvipdfmx v0.4.0
[INFO] [stderr]    Compiling chrono-tz-build v0.0.3
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking which v4.3.0
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking html-escape v0.2.11
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking tectonic_xdv v0.2.1
[INFO] [stderr]    Compiling tectonic v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking pinot v0.1.5
[INFO] [stderr]     Checking open v1.7.1
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking byte-unit v4.0.14
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling chrono-tz v0.6.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking headers-core v0.1.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking h2 v0.3.14
[INFO] [stderr]     Checking headers v0.2.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking command-group v1.0.8
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.37
[INFO] [stderr]    Compiling pest v2.4.0
[INFO] [stderr]     Checking tectonic_io_base v0.4.1
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking clearscreen v1.0.10
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]    Compiling pest_meta v2.4.0
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]     Checking watchexec v1.17.1
[INFO] [stderr]    Compiling pest_generator v2.4.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling pest_derive v2.4.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking reqwest v0.11.12
[INFO] [stderr]     Checking tera v1.17.1
[INFO] [stderr]     Checking tectonic_docmodel v0.2.0
[INFO] [stderr]     Checking tectonic_geturl v0.3.1
[INFO] [stderr]     Checking tectonic_bundles v0.3.0
[INFO] [stderr]     Checking tectonic_engine_spx2html v0.2.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/driver.rs:434:17
[INFO] [stdout]     |
[INFO] [stdout] 434 |             let mut summ = self.events.get_mut(name).unwrap();
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/driver.rs:434:17
[INFO] [stdout]     |
[INFO] [stdout] 434 |             let mut summ = self.events.get_mut(name).unwrap();
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, quick-xml v0.22.0, terminfo v0.7.3
[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" "5ddb39978f93956a5fb401f8f52a31e749baec0b770e61e5bdecb27a0083113c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ddb39978f93956a5fb401f8f52a31e749baec0b770e61e5bdecb27a0083113c", kill_on_drop: false }`
[INFO] [stdout] 5ddb39978f93956a5fb401f8f52a31e749baec0b770e61e5bdecb27a0083113c