[INFO] cloning repository https://github.com/otrho/fizzbuzz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/otrho/fizzbuzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fotrho%2Ffizzbuzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fotrho%2Ffizzbuzz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96385fe047ba4db82e268aebbfb440cd57e71fbc
[INFO] testing otrho/fizzbuzz against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fotrho%2Ffizzbuzz" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/otrho/fizzbuzz on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/otrho/fizzbuzz
[INFO] finished tweaking git repo https://github.com/otrho/fizzbuzz
[INFO] tweaked toml for git repo https://github.com/otrho/fizzbuzz written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/otrho/fizzbuzz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.75.0
[INFO] [stderr]   Downloaded cranelift-jit v0.75.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.1
[INFO] [stderr]   Downloaded cranelift-frontend v0.75.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.75.0
[INFO] [stderr]   Downloaded cranelift v0.75.0
[INFO] [stderr]   Downloaded cranelift-native v0.75.0
[INFO] [stderr]   Downloaded cranelift-module v0.75.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.75.0
[INFO] [stderr]   Downloaded cranelift-entity v0.75.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.75.0
[INFO] [stderr]   Downloaded test_bin v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d1616d6d7f10b861d6de4a7b1f049b3c2b432d20af9f699ffb864f3d311b863
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1d1616d6d7f10b861d6de4a7b1f049b3c2b432d20af9f699ffb864f3d311b863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d1616d6d7f10b861d6de4a7b1f049b3c2b432d20af9f699ffb864f3d311b863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d1616d6d7f10b861d6de4a7b1f049b3c2b432d20af9f699ffb864f3d311b863", kill_on_drop: false }`
[INFO] [stdout] 1d1616d6d7f10b861d6de4a7b1f049b3c2b432d20af9f699ffb864f3d311b863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7dd06909626e809899703faa22c1ff497cff55ef45fcd5c4c2d73744f92cf87d
[INFO] running `Command { std: "docker" "start" "-a" "7dd06909626e809899703faa22c1ff497cff55ef45fcd5c4c2d73744f92cf87d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-entity v0.75.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.75.0
[INFO] [stderr]    Compiling target-lexicon v0.12.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling test_bin v0.3.0
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.75.0
[INFO] [stderr]    Compiling cranelift-bforest v0.75.0
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling peg v0.7.0
[INFO] [stderr]    Compiling cranelift-codegen v0.75.0
[INFO] [stderr]    Compiling cranelift-native v0.75.0
[INFO] [stderr]    Compiling cranelift-frontend v0.75.0
[INFO] [stderr]    Compiling cranelift-module v0.75.0
[INFO] [stderr]    Compiling cranelift-jit v0.75.0
[INFO] [stderr]    Compiling cranelift v0.75.0
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "7dd06909626e809899703faa22c1ff497cff55ef45fcd5c4c2d73744f92cf87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd06909626e809899703faa22c1ff497cff55ef45fcd5c4c2d73744f92cf87d", kill_on_drop: false }`
[INFO] [stdout] 7dd06909626e809899703faa22c1ff497cff55ef45fcd5c4c2d73744f92cf87d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c58009bbbcb322d8c20cc55ed3160252beeff5a0f705f311a13be16533a0437e
[INFO] running `Command { std: "docker" "start" "-a" "c58009bbbcb322d8c20cc55ed3160252beeff5a0f705f311a13be16533a0437e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `Command { std: "docker" "inspect" "c58009bbbcb322d8c20cc55ed3160252beeff5a0f705f311a13be16533a0437e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58009bbbcb322d8c20cc55ed3160252beeff5a0f705f311a13be16533a0437e", kill_on_drop: false }`
[INFO] [stdout] c58009bbbcb322d8c20cc55ed3160252beeff5a0f705f311a13be16533a0437e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef2d240d8efb54799508d282efdf094e663d7b1a0182aaf79eeef1e376e8002d
[INFO] running `Command { std: "docker" "start" "-a" "ef2d240d8efb54799508d282efdf094e663d7b1a0182aaf79eeef1e376e8002d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fizzbuzz-3e2f7a1ad8451206)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/00_print.rs (/opt/rustwide/target/debug/deps/00_print-75509d37e37c1ab0)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_print_strings ... ok
[INFO] [stderr]      Running tests/01_if.rs (/opt/rustwide/target/debug/deps/01_if-35c70608c641492b)
[INFO] [stdout] test test_print_simple_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/02_binops.rs (/opt/rustwide/target/debug/deps/02_binops-5faafeb006f0e1e3)
[INFO] [stdout] test test_if_stmts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_binops_mod ... ok
[INFO] [stdout] test test_binops_eq ... ok
[INFO] [stdout] test test_binops_and ... ok
[INFO] [stderr]      Running tests/03_assign.rs (/opt/rustwide/target/debug/deps/03_assign-6f52e1491f7088c2)
[INFO] [stdout] test test_binops_combo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_assign ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/04_for.rs (/opt/rustwide/target/debug/deps/04_for-a36bd168d7979173)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_for ... ok
[INFO] [stderr]      Running tests/05_fizzbuzz.rs (/opt/rustwide/target/debug/deps/05_fizzbuzz-e5d53014a8061703)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/common.rs (/opt/rustwide/target/debug/deps/common-74a5278612ee01af)
[INFO] [stdout] test test_for ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[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" "ef2d240d8efb54799508d282efdf094e663d7b1a0182aaf79eeef1e376e8002d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2d240d8efb54799508d282efdf094e663d7b1a0182aaf79eeef1e376e8002d", kill_on_drop: false }`
[INFO] [stdout] ef2d240d8efb54799508d282efdf094e663d7b1a0182aaf79eeef1e376e8002d