[INFO] fetching crate tarangam 0.3.1...
[INFO] testing tarangam-0.3.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate tarangam 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tarangam 0.3.1
[INFO] finished tweaking crates.io crate tarangam 0.3.1
[INFO] tweaked toml for crates.io crate tarangam 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tarangam 0.3.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tarangam 0.3.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v4.0.1
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded gtk3-macros v0.15.4
[INFO] [stderr]   Downloaded tokio-macros v1.1.0
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded mach v0.2.3
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[INFO] [stderr]   Downloaded libmath v0.2.1
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded cairo-rs v0.15.6
[INFO] [stderr]   Downloaded field-offset v0.3.4
[INFO] [stderr]   Downloaded gdk-pixbuf v0.15.6
[INFO] [stderr]   Downloaded futures-core v0.3.14
[INFO] [stderr]   Downloaded gio-sys v0.15.6
[INFO] [stderr]   Downloaded glib-sys v0.15.6
[INFO] [stderr]   Downloaded png v0.17.5
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded futures-util v0.3.14
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded gio v0.15.6
[INFO] [stderr]   Downloaded regex v1.4.6
[INFO] [stderr]   Downloaded glib v0.15.6
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded pango v0.15.6
[INFO] [stderr]   Downloaded deflate v1.0.0
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded cfg-expr v0.10.2
[INFO] [stderr]   Downloaded pango-sys v0.15.1
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded futures-io v0.3.14
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.15.1
[INFO] [stderr]   Downloaded futures-channel v0.3.14
[INFO] [stderr]   Downloaded slab v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] [stderr]   Downloaded tokio v1.5.0
[INFO] [stderr]   Downloaded futures-executor v0.3.14
[INFO] [stderr]   Downloaded anyhow v1.0.40
[INFO] [stderr]   Downloaded glib-macros v0.15.6
[INFO] [stderr]   Downloaded thiserror v1.0.24
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded gtk v0.15.4
[INFO] [stderr]   Downloaded version-compare v0.1.0
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.3
[INFO] [stderr]   Downloaded system-deps v6.0.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded gobject-sys v0.15.5
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be21dfbe70fa164a65ff5f93c60763d79029dd147eced601efe8d4a86d816dbb
[INFO] running `Command { std: "docker" "start" "-a" "be21dfbe70fa164a65ff5f93c60763d79029dd147eced601efe8d4a86d816dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be21dfbe70fa164a65ff5f93c60763d79029dd147eced601efe8d4a86d816dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be21dfbe70fa164a65ff5f93c60763d79029dd147eced601efe8d4a86d816dbb", kill_on_drop: false }`
[INFO] [stdout] be21dfbe70fa164a65ff5f93c60763d79029dd147eced601efe8d4a86d816dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d9e3dae7eac48c6cd19f87caafb1bbb2a0fa0d2c9e767b1190d2dadd3ca2fe7
[INFO] running `Command { std: "docker" "start" "-a" "3d9e3dae7eac48c6cd19f87caafb1bbb2a0fa0d2c9e767b1190d2dadd3ca2fe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling gio v0.15.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling cfg-expr v0.10.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling gtk v0.15.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling png v0.17.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling libmath v0.2.1
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.14
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling serialport v4.0.1
[INFO] [stderr]    Compiling system-deps v6.0.2
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling glib-sys v0.15.6
[INFO] [stderr]    Compiling gobject-sys v0.15.5
[INFO] [stderr]    Compiling gio-sys v0.15.6
[INFO] [stderr]    Compiling gdk-sys v0.15.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.15.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.15.1
[INFO] [stderr]    Compiling pango-sys v0.15.1
[INFO] [stderr]    Compiling atk-sys v0.15.1
[INFO] [stderr]    Compiling gtk-sys v0.15.3
[INFO] [stderr]    Compiling glib-macros v0.15.6
[INFO] [stderr]    Compiling gtk3-macros v0.15.4
[INFO] [stderr]    Compiling glib v0.15.6
[INFO] [stderr]    Compiling cairo-rs v0.15.6
[INFO] [stderr]    Compiling pango v0.15.6
[INFO] [stderr]    Compiling atk v0.15.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.15.6
[INFO] [stderr]    Compiling gdk v0.15.4
[INFO] [stderr]    Compiling tarangam v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "3d9e3dae7eac48c6cd19f87caafb1bbb2a0fa0d2c9e767b1190d2dadd3ca2fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9e3dae7eac48c6cd19f87caafb1bbb2a0fa0d2c9e767b1190d2dadd3ca2fe7", kill_on_drop: false }`
[INFO] [stdout] 3d9e3dae7eac48c6cd19f87caafb1bbb2a0fa0d2c9e767b1190d2dadd3ca2fe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a0c50e267abd38b2d90bea0e09092db34881712694184f35819c586be60fd7a
[INFO] running `Command { std: "docker" "start" "-a" "9a0c50e267abd38b2d90bea0e09092db34881712694184f35819c586be60fd7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tarangam v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "9a0c50e267abd38b2d90bea0e09092db34881712694184f35819c586be60fd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0c50e267abd38b2d90bea0e09092db34881712694184f35819c586be60fd7a", kill_on_drop: false }`
[INFO] [stdout] 9a0c50e267abd38b2d90bea0e09092db34881712694184f35819c586be60fd7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8301fc0339557748ffcd4c9657b09eac92127d3720a7db476f1cee06f8862f9
[INFO] running `Command { std: "docker" "start" "-a" "f8301fc0339557748ffcd4c9657b09eac92127d3720a7db476f1cee06f8862f9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tarangam-2c36e64e2e6bb56e)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tarangam-349a73992d708d32)
[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] [stderr]    Doc-tests tarangam
[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" "f8301fc0339557748ffcd4c9657b09eac92127d3720a7db476f1cee06f8862f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8301fc0339557748ffcd4c9657b09eac92127d3720a7db476f1cee06f8862f9", kill_on_drop: false }`
[INFO] [stdout] f8301fc0339557748ffcd4c9657b09eac92127d3720a7db476f1cee06f8862f9