[INFO] fetching crate flatzinc 0.3.19...
[INFO] testing flatzinc-0.3.19 against 1.60.0 for beta-1.61-1
[INFO] extracting crate flatzinc 0.3.19 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate flatzinc 0.3.19 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatzinc 0.3.19
[INFO] finished tweaking crates.io crate flatzinc 0.3.19
[INFO] tweaked toml for crates.io crate flatzinc 0.3.19 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate crates.io crate flatzinc 0.3.19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0a12a18c097c5b7bfff980893ca846d1de286fce458a216c8556da8ab9a7538
[INFO] running `Command { std: "docker" "start" "-a" "c0a12a18c097c5b7bfff980893ca846d1de286fce458a216c8556da8ab9a7538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0a12a18c097c5b7bfff980893ca846d1de286fce458a216c8556da8ab9a7538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a12a18c097c5b7bfff980893ca846d1de286fce458a216c8556da8ab9a7538", kill_on_drop: false }`
[INFO] [stdout] c0a12a18c097c5b7bfff980893ca846d1de286fce458a216c8556da8ab9a7538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bee395b38c09b4e20dc3e32e94e65508e74924e827ac74ace2caf1c014506a11
[INFO] running `Command { std: "docker" "start" "-a" "bee395b38c09b4e20dc3e32e94e65508e74924e827ac74ace2caf1c014506a11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling flatzinc v0.3.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "bee395b38c09b4e20dc3e32e94e65508e74924e827ac74ace2caf1c014506a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee395b38c09b4e20dc3e32e94e65508e74924e827ac74ace2caf1c014506a11", kill_on_drop: false }`
[INFO] [stdout] bee395b38c09b4e20dc3e32e94e65508e74924e827ac74ace2caf1c014506a11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c103d16ef145973a267f783e17d36b9475fdec75b729d6f170dd6eb5bcf27ae
[INFO] running `Command { std: "docker" "start" "-a" "6c103d16ef145973a267f783e17d36b9475fdec75b729d6f170dd6eb5bcf27ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling stderrlog v0.5.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling flatzinc v0.3.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.17s
[INFO] running `Command { std: "docker" "inspect" "6c103d16ef145973a267f783e17d36b9475fdec75b729d6f170dd6eb5bcf27ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c103d16ef145973a267f783e17d36b9475fdec75b729d6f170dd6eb5bcf27ae", kill_on_drop: false }`
[INFO] [stdout] 6c103d16ef145973a267f783e17d36b9475fdec75b729d6f170dd6eb5bcf27ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 358379fad80b1dbd3bbd96d2bc800a62756c0081724e4b83f8cd908f594e888f
[INFO] running `Command { std: "docker" "start" "-a" "358379fad80b1dbd3bbd96d2bc800a62756c0081724e4b83f8cd908f594e888f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flatzinc-3ea645051364310b)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test comments::test_comment ... ok
[INFO] [stdout] test constraints::test_constraint_item ... ok
[INFO] [stdout] test constraints::test_constraint_item_2 ... ok
[INFO] [stdout] test constraints::test_constraint_item_3 ... ok
[INFO] [stdout] test constraints::test_constraint_item_4 ... ok
[INFO] [stdout] test expressions::test_string_lit ... ok
[INFO] [stdout] test parameters::types::test_par_type ... ok
[INFO] [stdout] test parameters::types::test_pred_par_type_2 ... ok
[INFO] [stdout] test parameters::types::test_pred_par_type_3 ... ok
[INFO] [stdout] test parameters::types::test_basic_pred_par_type ... ok
[INFO] [stdout] test expressions::test_string_lit_escaped_characters ... ok
[INFO] [stdout] test parameters::types::test_pred_par_type_range ... ok
[INFO] [stdout] test parameters::declarations::test_par_decl_item_3 ... ok
[INFO] [stdout] test parameters::declarations::test_par_decl_item_1 ... ok
[INFO] [stdout] test expressions::test_expr ... ok
[INFO] [stdout] test parameters::types::test_pred_par_type_ident_pair ... ok
[INFO] [stdout] test constraints::test_constraint_item_5 ... ok
[INFO] [stdout] test predicates::declarations::test_predicate_item ... ok
[INFO] [stdout] test parameters::declarations::test_par_decl_item_2 - should panic ... ok
[INFO] [stdout] test predicates::declarations::test_predicate_item2 ... ok
[INFO] [stdout] test solve_items::test_solve_item ... ok
[INFO] [stdout] test primitive_literals::test_hex ... ok
[INFO] [stdout] test primitive_literals::test_float ... ok
[INFO] [stdout] test primitive_literals::test_oct ... ok
[INFO] [stdout] test predicates::declarations::test_predicate_item_3 - should panic ... ok
[INFO] [stdout] test variables::declarations::test_var_decl_item_2 ... ok
[INFO] [stdout] test variables::declarations::test_var_decl_item_1 ... ok
[INFO] [stdout] test variables::declarations::test_var_decl_item_4 ... ok
[INFO] [stdout] test variables::declarations::test_var_decl_item_5 ... ok
[INFO] [stdout] test variables::declarations::test_var_decl_item_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flatzinc
[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" "358379fad80b1dbd3bbd96d2bc800a62756c0081724e4b83f8cd908f594e888f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "358379fad80b1dbd3bbd96d2bc800a62756c0081724e4b83f8cd908f594e888f", kill_on_drop: false }`
[INFO] [stdout] 358379fad80b1dbd3bbd96d2bc800a62756c0081724e4b83f8cd908f594e888f