[INFO] fetching crate fct 0.1.1...
[INFO] testing fct-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate fct 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fct 0.1.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fct 0.1.1
[INFO] finished tweaking crates.io crate fct 0.1.1
[INFO] tweaked toml for crates.io crate fct 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate fct 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d2f411bbf662c419ee4e788a886efc59c2f97769b6f220d7b1e5c88de6c1aa2
[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" "8d2f411bbf662c419ee4e788a886efc59c2f97769b6f220d7b1e5c88de6c1aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d2f411bbf662c419ee4e788a886efc59c2f97769b6f220d7b1e5c88de6c1aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2f411bbf662c419ee4e788a886efc59c2f97769b6f220d7b1e5c88de6c1aa2", kill_on_drop: false }`
[INFO] [stdout] 8d2f411bbf662c419ee4e788a886efc59c2f97769b6f220d7b1e5c88de6c1aa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7131181548d1d995ccacb63ecfdc59d92cd9fcec98b548dc7889f3158aa8b4ca
[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" "7131181548d1d995ccacb63ecfdc59d92cd9fcec98b548dc7889f3158aa8b4ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling lalrpop-util v0.19.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling big-rational-str v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.19.1
[INFO] [stderr]    Compiling fct v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/engine/il/mod.rs:61:42
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         Type::Function { params, return_type } => {
[INFO] [stdout]    |                                          ^^^^^^ help: try ignoring the field: `params: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]   --> src/engine/il/mod.rs:61:50
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         Type::Function { params, return_type } => {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^ help: try ignoring the field: `return_type: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/engine/il/mod.rs:237:27
[INFO] [stdout]     |
[INFO] [stdout] 237 |                         |(a, _)| expr.handle.str(file_owner) == expr.handle.str(file_owner)
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] running `Command { std: "docker" "inspect" "7131181548d1d995ccacb63ecfdc59d92cd9fcec98b548dc7889f3158aa8b4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7131181548d1d995ccacb63ecfdc59d92cd9fcec98b548dc7889f3158aa8b4ca", kill_on_drop: false }`
[INFO] [stdout] 7131181548d1d995ccacb63ecfdc59d92cd9fcec98b548dc7889f3158aa8b4ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 602d1e1a5c2bf28e57fc96bba8397f889ca46cf82c9355e1a05e8a952a0dd4bc
[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" "602d1e1a5c2bf28e57fc96bba8397f889ca46cf82c9355e1a05e8a952a0dd4bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling fct v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/engine/il/mod.rs:61:42
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         Type::Function { params, return_type } => {
[INFO] [stdout]    |                                          ^^^^^^ help: try ignoring the field: `params: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]   --> src/engine/il/mod.rs:61:50
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         Type::Function { params, return_type } => {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^ help: try ignoring the field: `return_type: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/engine/il/mod.rs:237:27
[INFO] [stdout]     |
[INFO] [stdout] 237 |                         |(a, _)| expr.handle.str(file_owner) == expr.handle.str(file_owner)
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/engine/il/mod.rs:61:42
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         Type::Function { params, return_type } => {
[INFO] [stdout]    |                                          ^^^^^^ help: try ignoring the field: `params: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]   --> src/engine/il/mod.rs:61:50
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         Type::Function { params, return_type } => {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^ help: try ignoring the field: `return_type: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/engine/il/mod.rs:237:27
[INFO] [stdout]     |
[INFO] [stdout] 237 |                         |(a, _)| expr.handle.str(file_owner) == expr.handle.str(file_owner)
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "602d1e1a5c2bf28e57fc96bba8397f889ca46cf82c9355e1a05e8a952a0dd4bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602d1e1a5c2bf28e57fc96bba8397f889ca46cf82c9355e1a05e8a952a0dd4bc", kill_on_drop: false }`
[INFO] [stdout] 602d1e1a5c2bf28e57fc96bba8397f889ca46cf82c9355e1a05e8a952a0dd4bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 734456bd0e4500024abc7114355d474027182d4342b2a96570a466e1e9d149f3
[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" "734456bd0e4500024abc7114355d474027182d4342b2a96570a466e1e9d149f3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]   --> src/engine/il/mod.rs:61:42
[INFO] [stderr]    |
[INFO] [stderr] 61 |                         Type::Function { params, return_type } => {
[INFO] [stderr]    |                                          ^^^^^^ help: try ignoring the field: `params: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `return_type`
[INFO] [stderr]   --> src/engine/il/mod.rs:61:50
[INFO] [stderr]    |
[INFO] [stderr] 61 |                         Type::Function { params, return_type } => {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^ help: try ignoring the field: `return_type: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/engine/il/mod.rs:237:27
[INFO] [stderr]     |
[INFO] [stderr] 237 |                         |(a, _)| expr.handle.str(file_owner) == expr.handle.str(file_owner)
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: `fct` (lib) generated 3 warnings
[INFO] [stderr] warning: `fct` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fct-0470c76db474cc77)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fct-1fbbdc6179ef5065)
[INFO] [stderr]    Doc-tests fct
[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] [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] [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" "734456bd0e4500024abc7114355d474027182d4342b2a96570a466e1e9d149f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734456bd0e4500024abc7114355d474027182d4342b2a96570a466e1e9d149f3", kill_on_drop: false }`
[INFO] [stdout] 734456bd0e4500024abc7114355d474027182d4342b2a96570a466e1e9d149f3