[INFO] fetching crate brew_outdated 0.2.0...
[INFO] checking brew_outdated-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate brew_outdated 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate brew_outdated 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brew_outdated 0.2.0
[INFO] finished tweaking crates.io crate brew_outdated 0.2.0
[INFO] tweaked toml for crates.io crate brew_outdated 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate brew_outdated 0.2.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c39bf023b43b8eee65fc7c74532ef32569ec095f560cad4765746dd860248cc
[INFO] running `Command { std: "docker" "start" "-a" "4c39bf023b43b8eee65fc7c74532ef32569ec095f560cad4765746dd860248cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c39bf023b43b8eee65fc7c74532ef32569ec095f560cad4765746dd860248cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c39bf023b43b8eee65fc7c74532ef32569ec095f560cad4765746dd860248cc", kill_on_drop: false }`
[INFO] [stdout] 4c39bf023b43b8eee65fc7c74532ef32569ec095f560cad4765746dd860248cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25050a937f557a69ca5c233feb86e63af6186c927016f4b251b1e702ac7db046
[INFO] running `Command { std: "docker" "start" "-a" "25050a937f557a69ca5c233feb86e63af6186c927016f4b251b1e702ac7db046", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling libc v0.2.70
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[INFO] [stderr]     Checking slab v0.4.2
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.4
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[INFO] [stderr]     Checking aho-corasick v0.7.10
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[INFO] [stderr]     Checking fork v0.1.14
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[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]     Checking tokio v0.2.21
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[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking brew_outdated v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `pinned` is never read
[INFO] [stdout]   --> src/homebrew.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct BrewOutdatedFormulaEntry {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub pinned: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BrewOutdatedFormulaEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pinned` is never read
[INFO] [stdout]   --> src/homebrew.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct BrewOutdatedFormulaEntry {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub pinned: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BrewOutdatedFormulaEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.19s
[INFO] running `Command { std: "docker" "inspect" "25050a937f557a69ca5c233feb86e63af6186c927016f4b251b1e702ac7db046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25050a937f557a69ca5c233feb86e63af6186c927016f4b251b1e702ac7db046", kill_on_drop: false }`
[INFO] [stdout] 25050a937f557a69ca5c233feb86e63af6186c927016f4b251b1e702ac7db046
[INFO] checking brew_outdated-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate brew_outdated 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate brew_outdated 0.2.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brew_outdated 0.2.0
[INFO] finished tweaking crates.io crate brew_outdated 0.2.0
[INFO] tweaked toml for crates.io crate brew_outdated 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate brew_outdated 0.2.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 323eb6fa3d10503d715f5fe65cfae2e5c31422ca85ced72ed50ca6e3d22c5364
[INFO] running `Command { std: "docker" "start" "-a" "323eb6fa3d10503d715f5fe65cfae2e5c31422ca85ced72ed50ca6e3d22c5364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "323eb6fa3d10503d715f5fe65cfae2e5c31422ca85ced72ed50ca6e3d22c5364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323eb6fa3d10503d715f5fe65cfae2e5c31422ca85ced72ed50ca6e3d22c5364", kill_on_drop: false }`
[INFO] [stdout] 323eb6fa3d10503d715f5fe65cfae2e5c31422ca85ced72ed50ca6e3d22c5364
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49288576e25ff654ccf24e7487e9d14c8b0f4919ebfc62892cd79002dc42e296
[INFO] running `Command { std: "docker" "start" "-a" "49288576e25ff654ccf24e7487e9d14c8b0f4919ebfc62892cd79002dc42e296", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking fork v0.1.14
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking brew_outdated v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `pinned` is never read
[INFO] [stdout]   --> src/homebrew.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct BrewOutdatedFormulaEntry {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub pinned: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BrewOutdatedFormulaEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pinned` is never read
[INFO] [stdout]   --> src/homebrew.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct BrewOutdatedFormulaEntry {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub pinned: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BrewOutdatedFormulaEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.21s
[INFO] running `Command { std: "docker" "inspect" "49288576e25ff654ccf24e7487e9d14c8b0f4919ebfc62892cd79002dc42e296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49288576e25ff654ccf24e7487e9d14c8b0f4919ebfc62892cd79002dc42e296", kill_on_drop: false }`
[INFO] [stdout] 49288576e25ff654ccf24e7487e9d14c8b0f4919ebfc62892cd79002dc42e296