[INFO] cloning repository https://github.com/imlyzh/fixedpoint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imlyzh/fixedpoint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimlyzh%2Ffixedpoint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimlyzh%2Ffixedpoint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a100e619c9e634d6190022c81be81ae5df0edd6e
[INFO] testing imlyzh/fixedpoint against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimlyzh%2Ffixedpoint" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imlyzh/fixedpoint on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imlyzh/fixedpoint
[INFO] finished tweaking git repo https://github.com/imlyzh/fixedpoint
[INFO] tweaked toml for git repo https://github.com/imlyzh/fixedpoint written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/imlyzh/fixedpoint 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] testing imlyzh/fixedpoint against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimlyzh%2Ffixedpoint" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imlyzh/fixedpoint on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imlyzh/fixedpoint
[INFO] finished tweaking git repo https://github.com/imlyzh/fixedpoint
[INFO] tweaked toml for git repo https://github.com/imlyzh/fixedpoint written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/imlyzh/fixedpoint 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/d383ccd8c5bd051918bc564cde2b5af14a14ae947206fb09af38b34dcc065290/.tmp-hostconfig.json1350823482: no space left on device
[INFO] testing imlyzh/fixedpoint against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimlyzh%2Ffixedpoint" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imlyzh/fixedpoint on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imlyzh/fixedpoint
[INFO] finished tweaking git repo https://github.com/imlyzh/fixedpoint
[INFO] tweaked toml for git repo https://github.com/imlyzh/fixedpoint written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/imlyzh/fixedpoint 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdb684084dd1eedee9c915fc9fb78bbbb522a75a3a90be5e00997241d6c2ea36
[INFO] running `Command { std: "docker" "start" "-a" "cdb684084dd1eedee9c915fc9fb78bbbb522a75a3a90be5e00997241d6c2ea36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdb684084dd1eedee9c915fc9fb78bbbb522a75a3a90be5e00997241d6c2ea36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb684084dd1eedee9c915fc9fb78bbbb522a75a3a90be5e00997241d6c2ea36", kill_on_drop: false }`
[INFO] [stdout] cdb684084dd1eedee9c915fc9fb78bbbb522a75a3a90be5e00997241d6c2ea36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98ffbb2eb38c2900b3052764e05d36220b2a926695e661eb50b622d61a8e1d55
[INFO] running `Command { std: "docker" "start" "-a" "98ffbb2eb38c2900b3052764e05d36220b2a926695e661eb50b622d61a8e1d55", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedpoint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `fact`
[INFO] [stdout]   --> src/ast_interpreter.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 if let Some(fact) = self.facts.get(&(sym.clone(), body.len())) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_fact`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule`
[INFO] [stdout]   --> src/ast_interpreter.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 } else if let Some(rule) = self.rules.get(&(sym, body.len())) {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_rule`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "98ffbb2eb38c2900b3052764e05d36220b2a926695e661eb50b622d61a8e1d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ffbb2eb38c2900b3052764e05d36220b2a926695e661eb50b622d61a8e1d55", kill_on_drop: false }`
[INFO] [stdout] 98ffbb2eb38c2900b3052764e05d36220b2a926695e661eb50b622d61a8e1d55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9b94f9f47ab32ee0c9f0dba0555992741f2dc9b72700815e99052e60ae13fda
[INFO] running `Command { std: "docker" "start" "-a" "e9b94f9f47ab32ee0c9f0dba0555992741f2dc9b72700815e99052e60ae13fda", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedpoint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `fact`
[INFO] [stdout]   --> src/ast_interpreter.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 if let Some(fact) = self.facts.get(&(sym.clone(), body.len())) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_fact`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule`
[INFO] [stdout]   --> src/ast_interpreter.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 } else if let Some(rule) = self.rules.get(&(sym, body.len())) {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_rule`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fact`
[INFO] [stdout]   --> src/ast_interpreter.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 if let Some(fact) = self.facts.get(&(sym.clone(), body.len())) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_fact`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule`
[INFO] [stdout]   --> src/ast_interpreter.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 } else if let Some(rule) = self.rules.get(&(sym, body.len())) {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_rule`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "e9b94f9f47ab32ee0c9f0dba0555992741f2dc9b72700815e99052e60ae13fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b94f9f47ab32ee0c9f0dba0555992741f2dc9b72700815e99052e60ae13fda", kill_on_drop: false }`
[INFO] [stdout] e9b94f9f47ab32ee0c9f0dba0555992741f2dc9b72700815e99052e60ae13fda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a262adc1f639064ef7f9139a6cbbf646cba7a0373196aa13b90c576e460ab056
[INFO] running `Command { std: "docker" "start" "-a" "a262adc1f639064ef7f9139a6cbbf646cba7a0373196aa13b90c576e460ab056", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/rustup-home" to rootfs at "/opt/rustwide/rustup-home": mkdir /var/lib/docker/overlay2/7c9fc118e6e4bdbc10ba405ba61baab0dad9b38277c6f515738bc056241fac54/merged/opt/rustwide/rustup-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "a262adc1f639064ef7f9139a6cbbf646cba7a0373196aa13b90c576e460ab056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a262adc1f639064ef7f9139a6cbbf646cba7a0373196aa13b90c576e460ab056", kill_on_drop: false }`
[INFO] [stdout] a262adc1f639064ef7f9139a6cbbf646cba7a0373196aa13b90c576e460ab056