[INFO] fetching crate bitinfo 0.1.1...
[INFO] checking bitinfo-0.1.1 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bitinfo 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bitinfo 0.1.1 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitinfo 0.1.1
[INFO] finished tweaking crates.io crate bitinfo 0.1.1
[INFO] tweaked toml for crates.io crate bitinfo 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate bitinfo 0.1.1 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded radium v0.3.0
[INFO] [stderr]   Downloaded parse_int v0.4.0
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[INFO] [stderr]   Downloaded rust-argon2 v0.7.0
[INFO] [stderr]   Downloaded term v0.5.2
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[INFO] [stderr]   Downloaded bitvec v0.17.4
[INFO] [stderr]   Downloaded syn v1.0.33
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[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded serde_derive v1.0.114
[INFO] [stderr]   Downloaded serde_yaml v0.8.13
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.12
[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6695ae7f204d3a5d6ea0e452a31ad69dca98c3407f5df9faab7df59af5cf4b5d
[INFO] running `Command { std: "docker" "start" "-a" "6695ae7f204d3a5d6ea0e452a31ad69dca98c3407f5df9faab7df59af5cf4b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6695ae7f204d3a5d6ea0e452a31ad69dca98c3407f5df9faab7df59af5cf4b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6695ae7f204d3a5d6ea0e452a31ad69dca98c3407f5df9faab7df59af5cf4b5d", kill_on_drop: false }`
[INFO] [stdout] 6695ae7f204d3a5d6ea0e452a31ad69dca98c3407f5df9faab7df59af5cf4b5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22e124748c97a0c54845970bc697c67954e9a502d801fcb54feba71df201006e
[INFO] running `Command { std: "docker" "start" "-a" "22e124748c97a0c54845970bc697c67954e9a502d801fcb54feba71df201006e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking parse_int v0.4.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking bitinfo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `width` is never read
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | struct InflatedRegisterMask {
[INFO] [stdout]     |        -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 130 |    width: u32,
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InflatedRegisterMask` 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: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:319:35
[INFO] [stdout]     |
[INFO] [stdout] 319 |    let name = keys.last().unwrap().clone();
[INFO] [stdout]     |                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `width` is never read
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | struct InflatedRegisterMask {
[INFO] [stdout]     |        -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 130 |    width: u32,
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InflatedRegisterMask` 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: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:319:35
[INFO] [stdout]     |
[INFO] [stdout] 319 |    let name = keys.last().unwrap().clone();
[INFO] [stdout]     |                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.55s
[INFO] running `Command { std: "docker" "inspect" "22e124748c97a0c54845970bc697c67954e9a502d801fcb54feba71df201006e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e124748c97a0c54845970bc697c67954e9a502d801fcb54feba71df201006e", kill_on_drop: false }`
[INFO] [stdout] 22e124748c97a0c54845970bc697c67954e9a502d801fcb54feba71df201006e
[INFO] checking bitinfo-0.1.1 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate bitinfo 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate bitinfo 0.1.1 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitinfo 0.1.1
[INFO] finished tweaking crates.io crate bitinfo 0.1.1
[INFO] tweaked toml for crates.io crate bitinfo 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate bitinfo 0.1.1 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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48be961c31d25120c02175cdcd7b4f08fbcd0b8bcdb513562e8f8544a05541d4
[INFO] running `Command { std: "docker" "start" "-a" "48be961c31d25120c02175cdcd7b4f08fbcd0b8bcdb513562e8f8544a05541d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48be961c31d25120c02175cdcd7b4f08fbcd0b8bcdb513562e8f8544a05541d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48be961c31d25120c02175cdcd7b4f08fbcd0b8bcdb513562e8f8544a05541d4", kill_on_drop: false }`
[INFO] [stdout] 48be961c31d25120c02175cdcd7b4f08fbcd0b8bcdb513562e8f8544a05541d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff48c4c0731a2434cd36f2522507c20a44925255b2940ac3bc24c347896a7519
[INFO] running `Command { std: "docker" "start" "-a" "ff48c4c0731a2434cd36f2522507c20a44925255b2940ac3bc24c347896a7519", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking parse_int v0.4.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking bitinfo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `width` is never read
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | struct InflatedRegisterMask {
[INFO] [stdout]     |        -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 130 |    width: u32,
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InflatedRegisterMask` 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: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:319:35
[INFO] [stdout]     |
[INFO] [stdout] 319 |    let name = keys.last().unwrap().clone();
[INFO] [stdout]     |                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `width` is never read
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | struct InflatedRegisterMask {
[INFO] [stdout]     |        -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 130 |    width: u32,
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InflatedRegisterMask` 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: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:319:35
[INFO] [stdout]     |
[INFO] [stdout] 319 |    let name = keys.last().unwrap().clone();
[INFO] [stdout]     |                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.19s
[INFO] running `Command { std: "docker" "inspect" "ff48c4c0731a2434cd36f2522507c20a44925255b2940ac3bc24c347896a7519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff48c4c0731a2434cd36f2522507c20a44925255b2940ac3bc24c347896a7519", kill_on_drop: false }`
[INFO] [stdout] ff48c4c0731a2434cd36f2522507c20a44925255b2940ac3bc24c347896a7519
